JL Audio 10TW3-D8 Thin-Line 10" Subwoofer

Building on the core technology of our TW5 thin-line subwoofers, the TW3’s deliver a powerful combination of shallow mounting depth and excursion capability. In fact, they are capable of greater excursion than the W3v3’s.

To allow this remarkable feat to be achieved, JL Audio’s patented thin-line woofer technology compresses the architecture of the TW3’s using a “concentric tube” structure built into the injection-molded cone body. This structure supports the voice coil and a full annular spider, while permitting the placement of the large motor structure further forward in the speaker than with conventional designs.

TW3’s are optimized for small enclosures and offer our tab-ear mounting design to maximize cone area within their mounting footprints. We know you’re going to love working with these amazing Subwoofers.

Deep, powerful and accurate JL Audio bass is now possible in more applications than ever.

Features
Very shallow mounting depth (3.25 / 3.50 Inches)
No pole vent: permits mounting close to rear wall of enclosure.
Very small sealed enclosure volume requirements
Very long linear excursion capability (0.60 In / 15.2 mm, one-way)
DMA-optimized motor designs
“concentric tube” architecture
Patented “floating cone attach method” technology
Cast alloy frame
Injection molded, mica-filled polypropylene cone
Rubber surround
Aluminum-alloy dust cap and rear cap with JL Audio logo
Precision-built in USA at JL Audio’s Miramar, Florida factory with global components

General Specifications

HERE

Continuous Power Handling (RMS): 400 W
Recommended Amplifier Power (RMS): 200 - 400 W
Nominal Impedance (Znom): Dual 8 Ω

Physical Specifications

Nominal Diameter: 10 in / 250 mm
Overall Diameter (A): A1: 11.2 in / 284 mm
A2: 10.5 in / 267 mm
Mounting Hole Diameter (B): 9.625 in / 244 mm
Bolt Hole Circle Diameter (C): 10.5 in / 267 mm
Motor Outer Diameter (D): 5.1 in / 130 mm
Mounting Depth (E): 3.25 in / 83 mm
Driver Displacement: 0.019 cu ft / 0.54 L
Net Weight: 10.1 lb / 4.6 kg

Parameters
Free Air Resonance (Fs): 39.262 Hz
Electrical “Q” (Qes): 0.825
Mechanical “Q” (Qms): 9.84
Total Speaker “Q” (Qts): 0.761
Equivalent Compliance (Vas): 0.510 cu ft / 14.44 L
One-Way Linear Excursion (Xmax)*: 0.6 in / 15.2 mm
Reference Efficiency (no): 0.23%
Efficiency (1 W / 1 m)**: 82.27 dB SPL
Effective Piston Area (Sd): 56.532 sq in / 0.0365 sq m
DC Resistance (Re)***: 15.008 Ω

* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** For parallel-wired voice coils, divide "Re" by 4. All other specifications remain the same.
*** Re (DC resistance) is measured with the voice coils in series, for parallel-wired specification divide Re by 4. All other specifications remain the same.

Sealed Enclosure Specifications

Wall Thickness: 0.75 in / 19 mm
Front Baffle Thickness: 0.75 in / 19 mm
Volume (net int.): 0.575 cu ft / 16.3 L
External Width (W): 16.75 in / 425 mm
External Height (H): 15 in / 381 mm
External Depth (D): 6.5 in / 165 mm
F3: 41.61 Hz
Fc: 53.93 Hz
Qtc: 1.0453

Enclosure Notes
* The enclosure recommendations listed above are external dimensions which assume the use of 0.75 in (19 mm) thick material. If you are using 0.625 in (16 mm) thick material, subtract 0.25 in (6) from each dimension. Do not use any material with a thickness of less than 0.625 in (16 mm) as this may compromise the rigidity of the enclosure.
* All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into account.
* When using multiple subwoofers in a common enclosure you will need to recalculate the enclosure and port dimensions. For assistance please contact your authorized JL Audio dealer or JL Audio Technical Support.
* We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
* All specifications are subject to change without notice.

Ported Enclosure Specifications

Wall Thickness: 0.75 in / 19 mm
Front Baffle Thickness: 0.75 in / 19 mm
Volume (net int.): 0.75 cu ft / 21.2 L
External Width (W): 30 in / 762 mm
External Height (H): 16.375 in / 416 mm
External Depth (D): 5.25 in / 133 mm
Internal Slot Port Width (SW): 3.75 in / 95 mm
Internal Slot Port Height (SH): 2.125 in / 54 mm
Internal Slot Port Length (SL): 26.8125 in / 681 mm
Port Extension Length (PL): 25 in / 635 mm
Tuning Frequency (Fb): 31.33 Hz
F3: 29.54 Hz

Enclosure Notes
* The enclosure recommendations listed above are external dimensions which assume the use of 0.75 in (19 mm) thick material. If you are using 0.625 in (16 mm) thick material, subtract 0.25 in (6.5 mm) from each dimension. Do not use any material with a thickness of less than 0.625 in (16 mm) as this may compromise the rigidity of the enclosure.
* All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into account.
* When using multiple subwoofers in a common enclosure you will need to recalculate the enclosure and port dimensions. For assistance please contact your authorized JL Audio dealer or JL Audio Technical Support.
* We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
* All specifications are subject to change without notice.

Safety Notice
Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. This high-performance speaker can exceed this level. Please exercise restraint in its operation in order to preserve your ability to enjoy its fidelity.

When installing a subwoofer in your vehicle, it is extremely important to secure the enclosure firmly. We recommend bolting the enclosure through the metal of the floorpan or the frame of the vehicle with large diameter washers for reinforcement. If an enclosure is not firmly attached, it can become a projectile in a collision. This is particularly important in a hatchback, station wagon, sports utility vehicle, or van.

JL Audio 10W3v3-2

Overview
This acclaimed subwoofer driver strikes an outstanding balance in power handling, enclosure requirements and excursion to deliver excellent results in medium power applications. Several exclusive JL Audio technologies and proprietary assembly techniques are applied to the 10W3v3 to enhance linearity and reliability.

The 10W3v3-2 is best used with amplifier power in the 150W - 500W range and is optimized to operate in a compact 0.625 cu. ft. (17.7 l) sealed enclosure, or a 1.25 cu. ft. (35.4 l) ported enclosure.

Specifications

• Continuous Power Handling (RMS) 500 W
• Recommended Amplifier Power (RMS) 150- 500 W
• Nominal Impedance (Znom) 2 Ω

Physical Specifications

• Nominal Diameter 10.0 in / 250 mm
• Overall Diameter 10.5 in / 267 mm
• Mounting Hole Diameter 9.0625 in / 230 mm
• Bolt Hole Circle Diameter 9.7 in / 246.5 mm
• Motor Outer Diameter 5.25 in / 133 mm
• Mounting Depth 5.93 in / 151 mm
• Driver Displacement 0.049 cu ft / 1.39 L
• Net Weight 12.25 lb / 5.56 kg

Parameters

• Free Air Resonance (Fs) 32.97 Hz
• Electrical “Q” (Qes) 0.533
• Mechanical “Q” (Qms) 7.027
• Total Speaker “Q” (Qts) 0.495
• Equivalent Compliance (Vas) 1.136 cu ft / 32.17 L
• One-Way Linear Excursion (Xmax)* 0.550 in / 14.0 mm
• Reference Efficiency (no) 0.21%
• Efficiency (1 W / 1 m)** 85.37 dB SPL
• Effective Piston Area (Sd) 53.475 sq in / 0.0345 sq m
• DC Resistance (Re) 1.70 Ω

Dynamic Motor Analysis - DMA Optimized Motor

Summary:
JL Audio's proprietary Dynamic Motor Analysis system is a powerful suite of FEA-based modeling systems, first developed by JL Audio in 1997 and refined over the years to scientifically address the issue of speaker motor linearity. This leads to vastly reduced distortion and faithfully reproduced transients... or put simply: tight, clean, articulate bass.

Detailed Information:
Since 1997, JL Audio has been at the forefront of Finite Element Analysis-based modeling of loudspeaker motors and suspensions. This research is aimed at decoding what we refer to as the "Loudspeaker Genome"... a project aimed at understanding the true behavior of loudspeakers under power and in motion. A major component of this integrated system is DMA (Dynamic Motor Analysis). Starting with the 15W3v3 and the W7 Subwoofers in the late 1990's and early 2000's, DMA has played an important role in the design of all JL Audio woofers sold today, including our component woofers. DMA is a Finite Element Analysis (FEA)-based system, meaning that it takes a large, complex problem, breaks it down into small solution elements for analysis and then assembles the data to form an accurate, "big-picture" solution. DMA's breakthrough is that it actually considers the effects of power through the coil as well as coil/cone position within the framework of a time-domain analysis. This gives us a highly accurate model of a speaker's actual behavior under real power, something that the traditional Thiele-Small models or other low power measurements cannot do. Because DMA does not rely on a steady-state model, it is able to consider shifts in the circuit elements being analyzed. These modeling routines are intense, requiring hours to run for a whole speaker.

DMA is able to analyze the real effects of fluctuating power and excursion upon the magnetic circuit of the motor, specifically the dynamic variations of the "fixed" magnetic field. This delivers intensely valuable information compared to traditional modeling, which assumes that the "fixed" field produced in the air gap by the magnet and the motor plates is unchanging. DMA not only shows that this "fixed" field changes in reaction to the magnetic field created by current flowing through the voice coil, but it helps our engineers arrive at motor solutions that minimize this instability. Analyzing this behavior is critical to understanding the distortion mechanisms of a speaker motor and sheds light on the aspects of motor design that determine truly linear behavior:

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels
   

Our ability to fully analyze these aspects of motor behavior allows our transducer engineers to make critical adjustments to motor designs that result in extremely linear, highly stable dynamic loudspeaker motor systems.

The payoff is reduced distortion, improved transient performance and stellar sound quality.

Elevated Frame Cooling (U.S. Patent #6,219,431 & #6,229,902)

Summary:
JL Audio's patented Elevated Frame Cooling design delivers cool air through slots directly above the top-plate to the voice coil of the speaker. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.

Detailed Information:
Many speakers employ venting techniques to enhance voice coil cooling. This is typically accomplished by having big holes in the sides of the frame just below the spider attachment shelf. While it provides a modest cooling benefit, this low-velocity air-flow does not blow directly or strongly on the voice coil.

Our patented design improves upon this cooling technique in a number of ways. By elevating the frame above the top-plate of the motor (via stand-offs integrated into the bottom of the frame) a narrow, high-velocity air-path is created between the bottom surface of the frame and the top surface of the top-plate. This air path leads directly to the voice coil and then turns upward into the spider air cavity. By utilizing the pumping action of the spider through this focused air path, a large volume of cool air hits the coil windings directly.

Another important benefit is that the upper surface of the top-plate (one of the speaker's hottest parts) is directly exposed to cooling air flow, whereas on a conventional design it is isolated from the air flow by the lower flange of the frame. The elevated frame technology greatly increases thermal power handling, reduces compression effects and does so without any additional parts.

Floating Cone Attach Method - FCAM™ (U.S. Patent #6,501,844)

Summary:
This assembly technique, conceived by JL Audio, ensures proper surround geometry in the assembled speaker for better excursion control and dynamic voice coil alignment.

Detailed Information:
JL Audio's patented FCAM™ technology is an innovative method of bonding the surround/cone assembly to the voice coil former/spider assembly. This feature helps ensure concentricity of the surround, spider and voice coil without torquing the suspension to achieve it. This allows for the inevitable, slight variations in production part dimensions without having them negatively impact the integrity of the suspension and coil-centering at high excursions.

Vented Reinforcement Collar (U.S. Patent #5,734,734)

Summary:
JL Audio's patented Vented Reinforcement Collar (VRC®) improves the rigidity and stability of the cone/spider/voice coil junction and directs airflow over the voice coil windings for improved thermal performance.

Detailed Information:
The Vented Reinforcement Collar (VRC®) is a composite structure that addresses two issues related to reliability.

By reinforcing the critical junction betweeen the cone, voice coil and spider, the VRC greatly reduces failures due to glue breakdown or material weakness. It does this by greatly increasing adhesive contact area and providing stress relief to the spider material at excursion extremes.

The VRC™ also features slots that facilitate air flow directly onto the voice coil windings. This reduces thermal compression effects and enhances reliability.

Current versions of the VRC™ also incorporate lead-wire strain relief structures to improve mechanical reliability.

Insert Molded Suspension / Coil / Terminal Sub-Assembly (U.S. Patent #7,379,558)

Summary:
Spiders, voice coils, terminals and lead wires are preassembled, using a patent-pending process, onto a composite carrier for improved precision and reliability.

Detailed Information:
A conventional speaker is assembled in layers. In other words, multiple parts are assembled and glued sequentially into the basket, leading to stacking of tolerances and making it difficult to achieve optimal assembly precision.

JL Audio's patent-pending insert-molded spider carrier permanently bonds the spider to a mechanically robust carrier that also incorporates the terminal assembly and lead wire strain relief features for enhanced relability and optimal alignment of parts. This subassembly is assembled outside the speaker basket, for optimum alignment and glue-joint integrity. The benefit is a more precisely built, more mechanically sound loudspeaker.

Customizable Trim Ring (U.S. Patent #D480,709)

Summary:
This removable ring can be painted to match the installation theme and directly receives JL Audio grille mesh inserts (sold separately).

Detailed Information:
This ABS trim ring is molded in black, but that doesn't mean it has to stay that way. By custom painting it, you can match your installation theme and create a personalized look.

Specifically-designed grille mesh inserts are available separately and fit into the inner diameter of the trim ring.

Helpful Tip: Installing the grille mesh inserts is much easier before mounting the woofer into the enclosure.

Engineered Lead-Wire System (U.S. Patent #7,356,157)

Summary:
Carefully engineered lead-wire design and attachments ensure controlled, quiet lead-wire behavior under the most extreme excursion demands.

Detailed Information:
Managing the lead-wires on a long-excursion woofer is one of the trickier aspects of its mechanical design. To address this, many long-excursion woofers today rely on a simple solution that weaves the lead-wires into the spider (rear suspension) of the driver.

The biggest problem with this approach is that spider limiting behavior plays a hugely important role a woofer's performance. Lead-wires that are attached or woven into the spider material can alter the spider's "stretching" behavior. The tinsel wire naturally has less 'give' than the fabric material of the spider leading to asymmetrical spider behavior and non-uniform stress distribution around the spider circumference. The wire attachment points can also cause localized pulling and tearing forces at the spider's excursion limits. As such, longevity becomes a major concern and makes the woven-in design less than ideal for very long-excursion designs.

While a traditional 'flying lead' design does not compromise spider linearity or radial stability, it creates its own challenges on a long-excursion woofer. Managing the 'whipping' behavior of the wire and making sure it does not contact the cone or spider is one challenge. Another is ensuring that the leads do not short one another or the frame of the woofer.

To overcome these issues, JL Audio's engineered flying lead-wires work in conjunction with carefully engineered entry and exit support structures molded into the terminals and the voice coil collar. Some models also feature jacketed lead-wires to further reduce the likelihood of shorting and fatigue. The result is flawless high-excursion lead-wire behavior, with outstanding reliability and none of the compromises inherent to a woven-in lead wire system. Building woofers this way requires much more labor and parts complexity than the simpler woven-in approach, but the payoff is in reduced distortion, reduced mechanical noise and improved reliability.

Precision Built in U.S.A.

Detailed Information:
At a time when most audio products are built overseas, JL Audio’s commitment to in-house loudspeaker production continues to grow. All W7’s, W6’s, TW5’s, TW3's, TW1's, W3v3’s and some of our ZR products. We also build our Marine Speaker Systems, Home Subwoofers, Stealthbox® products and the vast majority of our enclosed subwoofer systems in Florida.

To pull this off in a competitive world market, our production engineering team has created one of the world’s most advanced loudspeaker assembly facilities. This commitment to state-of-the-art technology allows our highly skilled workforce to efficiently build JL Audio products to extremely high quality standards.

While it is also feasible to build good quality products overseas (and we do build some of our products in Europe and Asia), it can be challenging when the product’s technology is innovative or complex. Since most of our premium loudspeakers incorporate proprietary, patented technologies requiring specific assembly techniques, we prefer that the people who design them have close access to the people manufacturing them.

JL Audio 10W6v3-D4 W6v3 10" Subwoofer

If you are seeking to reproduce the highest quality sub-bass in a very compact enclosure application, the 10W6v3 is the ultimate choice. This advanced subwoofer driver offers several technologies shared with the flagship W7AE subwoofers to provide powerful advantages in motor linearity and suspension behavior. These combine with a very efficient cooling circuit to deliver reduced distortion and outstanding dynamic balance. The 10W6v3 is best used with amplifier power in the 200W - 600W range and is optimized to operate in a sealed enclosure with only 0.55 cu. ft. (15.6 l) of air space. Detailed enclosure recommendations can be found in the "Specifications" tab.

Greater excursion capability and higher power handling distinguish it from our 10W3v3 10-inch subwoofer driver, allowing for higher output. Dual 4 Ω voice coils permit deploying the W6v3 as a 2 Ω or 8 Ω driver.

General Specifications
Continuous Power Handling (RMS): 600 Watts
Recommended RMS Amplifier Power: 200 - 600 Watts
Nominal Impedance (Znom): Dual 4 Ohm

Physical Specifications
Nominal Diameter 10.0 in / 250 mm
Overall Diameter (A) 10.5 in / 267 mm
Mounting Hole Diameter (B) 9.02 in / 229 mm
Bolt Hole Circle (C) 9.86 in / 250 mm
Magnet Diameter (D) 6.3 in / 160 mm
Required Pole Vent Clearance 0.50 in / 13 mm
Mounting Depth (E) 6.89 in / 175 mm
Driver Displacement 0.078 cu ft / 2.1 L
Net Weight 20 lb / 9.1 kg

Parameters
Free Air Resonance (Fs) 30.12 Hz
Electrical “Q” (Qes) 0.543
Mechanical “Q” (Qms) 9.228
Total Speaker “Q” (Qts) 0.513
Equivalent Compliance (Vas) 0.821 cu ft / 23.25 L
One-Way Linear Excursion (Xmax)* 0.75 in / 19 mm
Reference Efficiency (no) 0.1100%
Efficiency (1 W / 1 m)** 82.7 dB SPL
Effective Piston Area (Sd) 49.303 sq in / 0.0318 sq m
DC Resistance (Re)*** 6.452 Ω

* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** For parallel-wired voice coils, divide "Re" by 4. All other specifications remain the same.
*** Re (DC resistance) is measured with the voice coils in series, for parallel-wired specification divide Re by 4. All other specifications remain the same.

JL Audio 10W7AE-3

• Satin-Black Powdercoated Baskets
• Bright Anodized Surround Clamp Ring
• Anniversary Edition Cone Badge
• Anniversary Edition Terminal Label

Specifications

• Continuous Power Handling (RMS) 750 W
• Recommended Amplifier Power (RMS) 300 - 750 W
• Nominal Impedance (Znom) 3 Ω

• Nominal Diameter 10.0 in / 250 mm
• Overall Diameter (A) 10.5 in / 267 mm
• Mounting Hole Diameter (B) 8.74 in / 222 mm
• Bolt Hole Circle Diameter (C) 9.34 in / 237 mm
• Motor Outer Diameter (D) 6.55 in / 166 mm
• Mounting Depth (E) 8.0 in / 203 mm
• Driver Displacement 0.09 cu ft / 2.5 L
• Net Weight 30 lb / 13.6 kg

• Free Air Resonance (Fs) 30.6 Hz
• Electrical “Q” (Qes) 0.578
• Mechanical “Q” (Qms) 7.647
• Total Speaker “Q” (Qts) 0.537
• Equivalent Compliance (Vas) 1.28 cu ft / 36.1 L
• One-Way Linear Excursion (Xmax)* 0.9 in / 23 mm
• Reference Efficiency (no) 0.17%
• Efficiency (1 W / 1 m)** 84.3 dB SPL
• Effective Piston Area (Sd) 59.8 sq in / 0.0386 sq m
• DC Resistance (Re) 2.75 Ω

Technology

Detailed Information:
Since 1997, JL Audio has been at the forefront of Finite Element Analysis-based modeling of loudspeaker motors and suspensions. This research is aimed at decoding what we refer to as the "Loudspeaker Genome"... a project aimed at understanding the true behavior of loudspeakers under power and in motion. A major component of this integrated system is DMA (Dynamic Motor Analysis). Starting with the 15W3 and the W7 Subwoofers in the late 1990's and early 2000's, DMA has played an important role in the design of all JL Audio woofers sold today, including our component woofers.

DMA is a Finite Element Analysis (FEA)-based system, meaning that it takes a large, complex problem, breaks it down into small solution elements for analysis and then assembles the data to form an accurate, "big-picture" solution. DMA's breakthrough is that it actually considers the effects of power through the coil as well as coil/cone position within the framework of a time-domain analysis. This gives us a highly accurate model of a speaker's actual behavior under real power, something that the traditional Thiele-Small models or other low power measurements cannot do. Because DMA does not rely on a steady-state model, it is able to consider shifts in the circuit elements being analyzed. These modeling routines are intense, requiring hours to run for a whole speaker.

DMA is able to analyze the real effects of fluctuating power and excursion upon the magnetic circuit of the motor, specifically the dynamic variations of the "fixed" magnetic field. This delivers intensely valuable information compared to traditional modeling, which assumes that the "fixed" field produced in the air gap by the magnet and the motor plates is unchanging. DMA not only shows that this "fixed" field changes in reaction to the magnetic field created by current flowing through the voice coil, but it helps our engineers arrive at motor solutions that minimize this instability. Analyzing this behavior is critical to understanding the distortion mechanisms of a speaker motor and sheds light on the aspects of motor design that determine truly linear behavior:

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

Our ability to fully analyze these aspects of motor behavior allows our transducer engineers to make critical adjustments to motor designs that result in extremely linear, highly stable dynamic loudspeaker motor systems.

The payoff is reduced distortion, improved transient performance and stellar sound quality.
W-Cone (U.S. Patent #6,496,590)
Summary:
The W-Cone is a unit-body cone assembly that delivers astonishing cone stiffness with minimal mass. The shape also provides superb torsional rigidity, which is critical to maintaining voice coil alignment at the suspension limits.
Detailed Information:
The more excursion and motor force a speaker has, the more important cone rigidity becomes. The acceleration forces are extreme, requiring the cone to withstand rapid changes in speed and direction without deformation. Deformation not only leads to distortion, but can also affect the speaker's mechanical integrity by allowing the voice coil to go out of alignment and rub on the top-plate and the pole-piece of the motor. There are several approaches to enhancing cone rigidity. The obvious ones are using a thicker material and/or a stiffer material. In recent years, several manufacturers have used composite cone materials (Kevlar®, fiberglass, etc.) or metals (aluminum, magnesium, titanium alloys). The use of these exotic materials is typically accompanied by marketing claims that the material chosen has exceptional stiffness-to-mass characteristics. These are true statements, but can be misleading. While these materials have excellent stiffness-to-mass properties (compared to paper or poly), they are not lighter than paper or poly in practice. This means that their use accepts the compromise of added moving mass on the design. This leads to efficiency penalties and suspension complications (it's harder to keep a heavy mass aligned properly). A simple poly cone diaphragm, while sufficient for lower power designs, would not remain rigid under the demands that the W7 design requires. Our engineering team knew that high levels of cone rigidity would be needed, but they focused on achieving rigidity without a huge weight penalty. This ultimately led to the design we call the W-Cone. The W-Cone assembly achieves its rigidity through architectural means, rather than through inherently stiff materials. The design addresses the stiffness issue by using two lightweight mineral-filled polypropylene skins, bonded together at the perimeter and the center of the assembly. The lower skin's cross-section is shaped like a 'W', hence the name, and provides incredible rigidity when bonded to the dished upper skin. The effect is not unlike the trusses of a bridge or the unit-body construction of a modern automobile. In addition to the overall rigidity benefit, the lower skin's shape distributes the force generated by the coil and motor more evenly than a typical diaphragm. The force is not only applied to the apex but also distributed to the perimeter of the outer diaphragm for more linear behavior. A further benefit of the W-Cone is that the upper skin (the one in contact with the listening environment), is isolated from the high air-pressure gradients of the enclosure, further reducing deformation (and distortion). As a point of comparison, the W-Cone assembly of a 12W7 is 32% lighter than a typical aluminum-alloy 12-inch cone. If analyzed in terms of weight per square inch of piston area, the W7 cone-body weighs 1.24g/sq.in., compared to 1.45g/sq.in. for an aluminum-alloy cone and 1.66g/sq.in. for a titanium-alloy cone. So why polypropylene" As stated above, our patented W-Cone technology achieves all of the benefits of more exotic materials while
better suiting the unique nature of the W7. Since the W7 surround is detachable, the moving system (including the diaphragm) is
subject to mechanical stress unseen in conventional designs. Because the user can tug on the cone while manipulating the surround, the
cone must be able to handle this without buckling or deforming. Paper, metal or brittle composite cones would not handle this well.
Our two-skin unit-body cone design achieves outstanding axial and torsional stiffness to withstand all kinds of abuse, and will remain
largely unaffected and unblemished. Elevated Frame Cooling (U.S. Patent #6,219,431 & #6,229,902)
Summary:
JL Audio's patented Elevated Frame Cooling design delivers cool air through slots directly above the top-plate to the voice coil of the speaker. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.
Detailed Information:
Many speakers employ venting techniques to enhance voice coil cooling. This is typically accomplished by having big holes in the sides of the frame just below the spider attachment shelf. While it provides a modest cooling benefit, this low-velocity air-flow does not blow directly or strongly on the voice coil. Our patented design improves upon this cooling technique in a number of ways. By elevating the frame above the top-plate of the motor (via stand-offs integrated into the bottom of the frame) a narrow, high-velocity air-path is created between the bottom surface of the frame and the top surface of the top-plate. This air path leads directly to the voice coil and then turns upward into the spider air cavity. By utilizing the pumping action of the spider through this focused air path, a large volume of cool air hits the coil windings directly. Another important benefit is that the upper surface of the top-plate (one of the speaker's hottest parts) is directly exposed to
cooling air flow, whereas on a conventional design it is isolated from the air flow by the lower flange of the frame. The elevated
frame technology greatly increases thermal power handling, reduces compression effects and does so without any additional parts.
Floating Cone Attach Method - FCAM™ (U.S. Patent #6,501,844)
Summary:
This assembly technique, conceived by JL Audio, ensures proper surround geometry in the assembled speaker for better excursion control
and dynamic voice coil alignment.
Detailed Information:
JL Audio's patented FCAM™ technology is an innovative method of bonding the surround/cone assembly to the voice coil former/spider assembly. This feature helps ensure concentricity of the surround, spider and voice coil without torquing the suspension to achieve it. This allows for the inevitable, slight variations in production part dimensions without having them negatively impact the integrity of the suspension and coil-centering at high excursions. OverRoll Surround
Summary:
By utilizing space wasted in conventional speakers, this ground-breaking innovation controls the W7's massive excursion without sacrificing precious cone area.
Detailed Information:
One of the first things you notice about a W7 is that something is "missing"... the mounting flange. Of course, this is actually not the case. The mounting flange is simply hidden beneath the surround and is made accessible for mounting purposes by detaching the outer edge of the surround and moving the roll to the inside (a pretty neat little trick). Apart from the obvious benefits of amazing your friends as you pull the surround off your speaker, there is a serious technical issue that led us in this design direction: Effective Piston Area ("Sd"). This is essentially the speaker's "cylinder bore", to use an automotive engine analogy, and is calculated by measuring the diameter of the diaphragm including one-half of the surround roll-width. In other words, from the top- center of the surround on one side to top-center of the surround on the other side. The displacement capability of a speaker is determined by this piston area times the speaker's excursion capability. Displacement of air is directly linked to output potential. Therefore, the more air a speaker can ultimately displace, the louder it can play. That being said, there is a big difference between piston area and excursion: piston area doesn't need power to make it happen. This means that by making a larger piston, you are directly improving displacement for a given amount of excursion and, therefore, making your speaker more efficient. This is not the only factor that governs efficiency, but it is a major one. To make a speaker have more excursion capability not only requires a motor design that can deliver more stroke, but also requires a surround rugged enough to handle the demands of longer excursions and controlled enough to keep everything lined up properly. If the surround's roll-width is not adequately large, its behavior (compliance) is not linear over the useful stroke of the woofer and it is more likely to fatigue and fail. For this reason, speakers with longer excursion capability generally need larger surround rolls (we won't comment on the ones that use large rolls strictly for cosmetic effect). The problem with big surrounds is that they begin to encroach on the effective piston area of the driver. For example, a typical 12- inch woofer with a medium-sized roll has an effective piston area of 81.52 square inches. Compare this to a fat-surround 12-inch woofer which has a piston area of 69.07 square inches (15.2 % less effective piston area than the medium-size roll.) To overcome this loss, the fat-surround woofer has to produce more excursion to displace the same air as the woofer with the medium surround (and will require more power to do so). OverRoll™ technology neatly sidesteps this compromise by allowing us to make full use of the entire footprint of the speaker, placing the surround further to the outside than in a conventional woofer. This means that we can use a large roll for all its benefits without sacrificing cone area (in fact, the 12W7 has 1% more piston area than the medium-surround conventional woofer). By maximizing the effective piston/total footprint ratio, we can deliver more output for a given excursion and outside frame diameter. This means that the prodigious excursion advantage of the W7 can be put to full use enhancing output, rather than making up for lost piston area. The technology also provides a geometry advantage on the outside edge of the surround roll, allowing for more linear operation. A further benefit is that the mounting holes are inherently sealed by the surround, resulting in an improved box seal. Radially Cross-Drilled Pole-Piece (U.S. Patent #6,243,479)
Summary:
This innovative venting system greatly enhances thermal dissipation and power handling by directing air flow onto the voice coil former, working in conjunction with the Elevated Frame cooling technology to effectively remove heat from the voice coil. This improves power handling and reduces power compression effects, leading to more linear performance.
Detailed Information:
This technology differs from a conventionally vented pole-piece in that the air flow is capped off at the top of the pole-piece and directed through machined holes on the outer wall of the pole-piece to the region directly behind the voice coil. The top portion of the pole-piece is smaller in outside diameter where the holes vent and helps create a high-volume, high-velocity airflow path between the inner-coil cavity and the ambient air of the enclosure.This helps remove super-heated air that is trapped between the coil former and pole-piece on a conventional design, leading to a dramatic improvement in cooling efficiency, especially at high excursions. Engineered Lead-Wire System (U.S. Patent #7,356,157)
Summary:
Carefully engineered lead-wire design and attachments ensure controlled, quiet lead-wire behavior under the most extreme excursion demands.
Detailed Information:
Managing the lead-wires on a long-excursion woofer is one of the trickier aspects of its mechanical design. To address this, many long-excursion woofers today rely on a simple solution that weaves the lead-wires into the spider (rear suspension) of the driver. The biggest problem with this approach is that spider limiting behavior plays a hugely important role a woofer's performance. Lead- wires that are attached or woven into the spider material can alter the spider's "stretching" behavior. The tinsel wire naturally has less 'give' than the fabric material of the spider leading to asymmetrical spider behavior and non-uniform stress distribution around the spider circumference. The wire attachment points can also cause localized pulling and tearing forces at the spider's excursion limits. As such, longevity becomes a major concern and makes the woven-in design less than ideal for very long-excursion designs. While a traditional 'flying lead' design does not compromise spider linearity or radial stability, it creates its own challenges on a long-excursion woofer. Managing the 'whipping' behavior of the wire and making sure it does not contact the cone or spider is one challenge. Another is ensuring that the leads do not short one another or the frame of the woofer. To overcome these issues, JL Audio's engineered flying lead-wires work in conjunction with carefully engineered entry and exit support structures molded into the terminals and the voice coil collar. Some models also feature jacketed lead-wires to further reduce the likelihood of shorting and fatigue. The result is flawless high-excursion lead-wire behavior, with outstanding reliability and none of the compromises inherent to a woven-in lead wire system. Building woofers this way requires much more labor and parts complexity than the simpler woven-in approach, but the payoff is in reduced distortion, reduced mechanical noise and improved reliability. Built in U.S.A. with Global Components
Summary:
JL Audio's Miramar, Florida loudspeaker production facility is one of the most advanced in the world.
Detailed Information:
At a time when most audio products are built overseas, JL Audio’s commitment to in-house loudspeaker production continues to grow. To pull this off in a competitive world market, our production engineering team has created one of the world’s most advanced loudspeaker assembly facilities and established a global network of quality component suppliers who build to our specifications. This, combined with our commitment to state-of-the-art assembly technology, allows our skilled workforce to efficiently build JL Audio products to extremely high quality standards, right here in the U.S.A. Since most of our premium loudspeakers incorporate proprietary, patented technologies requiring specific assembly techniques, we find it is vital that the people who designed them have close access to the people manufacturing them. The following JL Audio products are built in our Miramar, Florida factory, with global components:

• Subwoofer Drivers: W7, W6v3, TW5v2, TW3, TW1, W3v3
• Enclosed Car Subwoofers: Stealthbox®, PowerWedge™, ProWedge™, H.O. Wedge™ & MicroSub™ Enclosed Subwoofers
• Marine Loudspeakers, Marine Subwoofer Drivers and Marine Enclosed Loudspeakers
• Home Subwoofers: Dominion™, E-Sub, Fathom® and Gotham®

JL Audio 10TW3-D8 Thin-Line 12" Subwoofer

Building on the core technology of our TW5 thin-line subwoofers, the TW3’s deliver a powerful combination of shallow mounting depth and excursion capability. In fact, they are capable of greater excursion than the W3v3’s. To allow this remarkable feat to be achieved, JL Audio’s patented thin-line woofer technology compresses the architecture of the TW3’s using a “concentric tube” structure built into the injection-molded cone body. This structure supports the voice coil and a full annular spider, while permitting the placement of the large motor structure further forward in the speaker than with conventional designs. TW3’s are optimized for small enclosures and offer our tab-ear mounting design to maximize cone area within their mounting footprints. We know you’re going to love working with these amazing Subwoofers. Deep, powerful and accurate JL Audio bass is now possible in more applications than ever. Features
Very shallow mounting depth (3.25 / 3.50 Inches)
No pole vent: permits mounting close to rear wall of enclosure.
Very small sealed enclosure volume requirements
Very long linear excursion capability (0.60 In / 15.2 mm, one-way)
DMA-optimized motor designs
“concentric tube” architecture
Patented “floating cone attach method” technology
Cast alloy frame
Injection molded, mica-filled polypropylene cone
Rubber surround
Aluminum-alloy dust cap and rear cap with JL Audio logo
Precision-built in USA at JL Audio’s Miramar, Florida factory with global components General Specifications Continuous Power Handling (RMS): 400 W
Recommended Amplifier Power (RMS): 200 - 400 W
Nominal Impedance (Znom): Dual 8 Ω Physical Specifications Nominal Diameter: 10 in / 250 mm
Overall Diameter (A): A1: 11.2 in / 284 mm
A2: 10.5 in / 267 mm
Mounting Hole Diameter (B): 9.625 in / 244 mm
Bolt Hole Circle Diameter (C): 10.5 in / 267 mm
Motor Outer Diameter (D): 5.1 in / 130 mm
Mounting Depth (E): 3.25 in / 83 mm
Driver Displacement: 0.019 cu ft / 0.54 L
Net Weight: 10.1 lb / 4.6 kg Parameters
Free Air Resonance (Fs): 39.262 Hz
Electrical “Q” (Qes): 0.825
Mechanical “Q” (Qms): 9.84
Total Speaker “Q” (Qts): 0.761
Equivalent Compliance (Vas): 0.510 cu ft / 14.44 L
One-Way Linear Excursion (Xmax)*: 0.6 in / 15.2 mm
Reference Efficiency (no): 0.23%
Efficiency (1 W / 1 m)**: 82.27 dB SPL
Effective Piston Area (Sd): 56.532 sq in / 0.0365 sq m
DC Resistance (Re)***: 15.008 Ω * Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** For parallel-wired voice coils, divide "Re" by 4. All other specifications remain the same.
*** Re (DC resistance) is measured with the voice coils in series, for parallel-wired specification divide Re by 4. All other specifications remain the same. Sealed Enclosure Specifications Wall Thickness: 0.75 in / 19 mm
Front Baffle Thickness: 0.75 in / 19 mm
Volume (net int.): 0.575 cu ft / 16.3 L
External Width (W): 16.75 in / 425 mm
External Height (H): 15 in / 381 mm
External Depth (D): 6.5 in / 165 mm
F3: 41.61 Hz
Fc: 53.93 Hz
Qtc: 1.0453 Enclosure Notes
* The enclosure recommendations listed above are external dimensions which assume the use of 0.75 in (19 mm) thick material. If you are using 0.625 in (16 mm) thick material, subtract 0.25 in (6) from each dimension. Do not use any material with a thickness of less than 0.625 in (16 mm) as this may compromise the rigidity of the enclosure.
* All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into account.
* When using multiple subwoofers in a common enclosure you will need to recalculate the enclosure and port dimensions. For assistance please contact your authorized JL Audio dealer or JL Audio Technical Support.
* We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
* All specifications are subject to change without notice. Ported Enclosure Specifications Wall Thickness: 0.75 in / 19 mm
Front Baffle Thickness: 0.75 in / 19 mm
Volume (net int.): 0.75 cu ft / 21.2 L
External Width (W): 30 in / 762 mm
External Height (H): 16.375 in / 416 mm
External Depth (D): 5.25 in / 133 mm
Internal Slot Port Width (SW): 3.75 in / 95 mm
Internal Slot Port Height (SH): 2.125 in / 54 mm
Internal Slot Port Length (SL): 26.8125 in / 681 mm
Port Extension Length (PL): 25 in / 635 mm
Tuning Frequency (Fb): 31.33 Hz
F3: 29.54 Hz Enclosure Notes
* The enclosure recommendations listed above are external dimensions which assume the use of 0.75 in (19 mm) thick material. If you are using 0.625 in (16 mm) thick material, subtract 0.25 in (6.5 mm) from each dimension. Do not use any material with a thickness of less than 0.625 in (16 mm) as this may compromise the rigidity of the enclosure.
* All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into account.
* When using multiple subwoofers in a common enclosure you will need to recalculate the enclosure and port dimensions. For assistance please contact your authorized JL Audio dealer or JL Audio Technical Support.
* We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
* All specifications are subject to change without notice. Safety Notice
Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. This high-performance speaker can exceed this level. Please exercise restraint in its operation in order to preserve your ability to enjoy its fidelity. When installing a subwoofer in your vehicle, it is extremely important to secure the enclosure firmly. We recommend bolting the enclosure through the metal of the floorpan or the frame of the vehicle with large diameter washers for reinforcement. If an enclosure is not firmly attached, it can become a projectile in a collision. This is particularly important in a hatchback, station wagon, sports utility vehicle, or van.

JL Audio 12W0v3-4

Overview

Specifications

• Continuous Power Handling (RMS) 300 W
• Recommended Amplifier Power (RMS) 75 - 300 W
• Nominal Impedance (Znom) 4 Ω

• Nominal Diameter 12.0 in / 300 mm
• Overall Diameter (A) 12.52 in / 318 mm
• Mounting Hole Diameter (B) 11.0625 in / 281 mm
• Bolt Hole Circle Diameter (C) 11.7 in / 297 mm
• Motor Outer Diameter (D) 5.05 in / 128 mm
• Mounting Depth (E) 5.40 in / 137 mm
• Driver Displacement 0.048 cu ft / 1.36 L
• Net Weight 8.11 lb / 3.68 kg

• Free Air Resonance (Fs) 28.43 Hz
• Electrical “Q” (Qes) 0.715
• Mechanical “Q” (Qms) 10.709
• Total Speaker “Q” (Qts) 0.67
• Equivalent Compliance (Vas) 2.530 cu ft / 71.64 L
• One-Way Linear Excursion (Xmax)* 0.45 in / 11.4 mm
• Reference Efficiency (no) 0.22%
• Efficiency (1 W / 1 m)** 85.64 dB SPL
• Effective Piston Area (Sd) 74.509 sq in / 0.0481 sq m
• DC Resistance (Re) 4.280 Ω

• Wall Thickness 0.75 in / 19 mm
• Front Baffle Thickness 0.75 in / 19 mm
• Volume (net int.) 1.375 cu ft / 38.94 L
• External Width (W) 16 in / 406 mm
• External Height (H) 19 in / 483 mm
• External Depth (D) 11.75 in / 298 mm
• F3 36.0 Hz
• Fc 47.91 Hz
• Qtc 1.179

• Wall Thickness 0.75 in / 19 mm
• Front Baffle Thickness 0.75 in / 19 mm
• Volume (net int.) 1.75 cu ft / 49.6 L
• External Width (W) 17.5 in / 445 mm
• External Height (H) 14.75 in / 375 mm
• External Depth (D) 16.25 in / 413 mm
• Internal Port Diameter (ID) 3 in / 76 mm
• Port Length (L) 14 in / 356 mm
• Tuning Frequency (Fb) 26 Hz
• F3 30.8 Hz

Technology

Dynamic Motor Analysis - DMA Optimized Motor

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

Elevated Frame Cooling (U.S. Patent #6,219,431 & #6,229,902)

JL Audio 12W1v3-4 12" Subwoofer

The 12W1v3 is a lightweight 12-inch driver with excellent performance capabilities at moderate power levels. It features moderate mounting depth with no pole-vent, so the rear of the motor structure can be placed directly against an enclosure boundary. Excellent excursion capability and linearity allow it to reproduce sub-bass with shocking extension and quality. Several of JL Audio's proprietary technologies enhance its performance and reliability.

The 12W1v3-4 is best used with amplifier power in the 75W - 300W range and is optimized to operate in a compact 1.10 cu. ft. (31.5 l) sealed enclosure.

Specifications
Free Air Resonance (Fs) 26.21 Hz
Electrical “Q” (Qes) 0.535
Mechanical “Q” (Qms) 8.2
Total Speaker “Q” (Qts) 0.502
Equivalent Compliance (Vas) 2.706 cu ft / 76.63 L
One-Way Linear Excursion (Xmax)* 0.45 in / 11 mm
Reference Efficiency (no) 0.2500%
Efficiency (1 W / 1 m)** 86.1 dB SPL
Effective Piston Area (Sd) 81.426 sq in / 0.0525 sq m
DC Resistance (Re) 3.915 Ω

* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.

Power
Continuous Power Handling (RMS) 300 W
Recommended RMS Amplifier Power 75 - 300 W
Nominal Impedance (Znom) 4 ohm

Dimensions
Nominal Diameter 12.0 in / 300 mm
Overall Diameter (A) 12.5 in / 318 mm
Mounting Hole Diameter (B) 11.0625 in / 281 mm
Bolt Hole Circle (C) 11.7 in / 297 mm
Magnet Diameter (D) 5.25 in / 133 mm
Mounting Depth (E) 5.41 in / 137 mm
Driver Displacement 0.052 cu ft / 1.47 L
Net Weight 12.2 lb / 5.5 kg

JL Audio 12W3v3-2

Specifications

• Continuous Power Handling (RMS) 500 W
• Recommended Amplifier Power (RMS) 150 - 500 W
• Nominal Impedance (Znom) 2 Ω

Physical Specifications

• Nominal Diameter 12.0 in / 300 mm
• Overall Diameter (A) 12.5 in / 318 mm
• Mounting Hole Diameter (B) 11.0625 in / 281 mm
• Bolt Hole Circle Diameter (C) 11.7 in / 297 mm
• Motor Outer Diameter (D) 5.5 in / 140 mm
• Mounting Depth (E) 6.65 in / 169 mm
• Driver Displacement 0.071 cu ft / 2.01 L
• Net Weight 14.50 lb / 6.58 kg

Parameters

• Free Air Resonance (Fs) 27.97 Hz
• Electrical “Q” (Qes) 0.534
• Mechanical “Q” (Qms) 7.678
• Total Speaker “Q” (Qts) 0.5
• Equivalent Compliance (Vas) 2.806 cu ft / 79.47 L
• One-Way Linear Excursion (Xmax)* 0.510 in / 13.0 mm
• Reference Efficiency (no) 0.31%
• Efficiency (1 W / 1 m)** 87.15 dB SPL
• Effective Piston Area (Sd) 80.600 sq in / 0.0520 sq m
• DC Resistance (Re) 1.658 Ω

Technology

Dynamic Motor Analysis - DMA Optimized Motor
Summary:
JL Audio's proprietary Dynamic Motor Analysis system is a powerful suite of FEA-based modeling systems, first developed by JL Audio in 1997 and refined over the years to scientifically address the issue of speaker motor linearity. This leads to vastly reduced distortion and faithfully reproduced transients... or put simply: tight, clean, articulate bass.

Detailed Information:
Since 1997, JL Audio has been at the forefront of Finite Element Analysis-based modeling of loudspeaker motors and suspensions. This research is aimed at decoding what we refer to as the "Loudspeaker Genome"... a project aimed at understanding the true behavior of loudspeakers under power and in motion. A major component of this integrated system is DMA (Dynamic Motor Analysis). Starting with the 15W3 and the W7 Subwoofers in the late 1990's and early 2000's, DMA has played an important role in the design of all JL Audio woofers sold today, including our component woofers.

DMA is a Finite Element Analysis (FEA)-based system, meaning that it takes a large, complex problem, breaks it down into small solution elements for analysis and then assembles the data to form an accurate, "big-picture" solution. DMA's breakthrough is that it actually considers the effects of power through the coil as well as coil/cone position within the framework of a time-domain analysis. This gives us a highly accurate model of a speaker's actual behavior under real power, something that the traditional Thiele-Small models or other low power measurements cannot do. Because DMA does not rely on a steady-state model, it is able to consider shifts in the circuit elements being analyzed. These modeling routines are intense, requiring hours to run for a whole speaker.

DMA is able to analyze the real effects of fluctuating power and excursion upon the magnetic circuit of the motor, specifically the dynamic variations of the "fixed" magnetic field. This delivers intensely valuable information compared to traditional modeling, which assumes that the "fixed" field produced in the air gap by the magnet and the motor plates is unchanging. DMA not only shows that this "fixed" field changes in reaction to the magnetic field created by current flowing through the voice coil, but it helps our engineers arrive at motor solutions that minimize this instability. Analyzing this behavior is critical to understanding the distortion mechanisms of a speaker motor and sheds light on the aspects of motor design that determine truly linear behavior:

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

Our ability to fully analyze these aspects of motor behavior allows our transducer engineers to make critical adjustments to motor designs that result in extremely linear, highly stable dynamic loudspeaker motor systems.

The payoff is reduced distortion, improved transient performance and stellar sound quality.

Elevated Frame Cooling (U.S. Patent #6,219,431 & #6,229,902)

Detailed Information:
Many speakers employ venting techniques to enhance voice coil cooling. This is typically accomplished by having big holes in the sides of the frame just below the spider attachment shelf. While it provides a modest cooling benefit, this low-velocity air-flow does not blow directly or strongly on the voice coil.

Our patented design improves upon this cooling technique in a number of ways. By elevating the frame above the top-plate of the motor (via stand-offs integrated into the bottom of the frame) a narrow, high-velocity air-path is created between the bottom surface of the frame and the top surface of the top-plate. This air path leads directly to the voice coil and then turns upward into the spider air cavity. By utilizing the pumping action of the spider through this focused air path, a large volume of cool air hits the coil windings directly.

Another important benefit is that the upper surface of the top-plate (one of the speaker's hottest parts) is directly exposed to cooling air flow, whereas on a conventional design it is isolated from the air flow by the lower flange of the frame. The elevated frame technology greatly increases thermal power handling, reduces compression effects and does so without any additional parts.

Floating Cone Attach Method - FCAM™ (U.S. Patent #6,501,844)

Detailed Information:
JL Audio's patented FCAM™ technology is an innovative method of bonding the surround/cone assembly to the voice coil former/spider assembly. This feature helps ensure concentricity of the surround, spider and voice coil without torquing the suspension to achieve it. This allows for the inevitable, slight variations in production part dimensions without having them negatively impact the integrity of the suspension and coil-centering at high excursions.

Vented Reinforcement Collar

Detailed Information:
The Vented Reinforcement Collar (VRC®) is a composite structure that addresses two issues related to reliability.

By reinforcing the critical junction between the cone, voice coil and spider, the VRC greatly reduces failures due to glue breakdown or material weakness. It does this by greatly increasing adhesive contact area and providing stress relief to the spider material at excursion extremes.

The VRC™ also features slots that facilitate air flow directly onto the voice coil windings. This reduces thermal compression effects and enhances reliability.
Current versions of the VRC™ also incorporate lead-wire strain relief structures to improve mechanical reliability.

Insert Molded Suspension / Coil / Terminal Sub-Assembly (U.S. Patent #7,379,558)

Detailed Information:
A conventional speaker is assembled in layers. In other words, multiple parts are assembled and glued sequentially into the basket, leading to stacking of tolerances and making it difficult to achieve optimal assembly precision.

JL Audio's patent-pending insert-molded spider carrier permanently bonds the spider to a mechanically robust carrier that also incorporates the terminal assembly and lead wire strain relief features for enhanced reliability and optimal alignment of parts. This subassembly is assembled outside the speaker basket, for optimum alignment and glue-joint integrity. The benefit is a more precisely built, more mechanically sound loudspeaker.

Customizable Trim Ring (U.S. Patent #D480,709)

Detailed Information:
This ABS trim ring is molded in black, but that doesn't mean it has to stay that way. By custom painting it, you can match your installation theme and create a personalized look.

Specifically-designed grille mesh inserts are available separately and fit into the inner diameter of the trim ring.

Helpful Tip: Installing the grille mesh inserts is much easier before mounting the woofer into the enclosure.

Engineered Lead-Wire System (U.S. Patent #7,356,157)

Detailed Information:
Managing the lead-wires on a long-excursion woofer is one of the trickier aspects of its mechanical design. To address this, many long-excursion woofers today rely on a simple solution that weaves the lead-wires into the spider (rear suspension) of the driver.

The biggest problem with this approach is that spider limiting behavior plays a hugely important role a woofer's performance. Lead-wires that are attached or woven into the spider material can alter the spider's "stretching" behavior. The tinsel wire naturally has less 'give' than the fabric material of the spider leading to asymmetrical spider behavior and non-uniform stress distribution around the spider circumference. The wire attachment points can also cause localized pulling and tearing forces at the spider's excursion limits. As such, longevity becomes a major concern and makes the woven-in design less than ideal for very long-excursion designs.

While a traditional 'flying lead' design does not compromise spider linearity or radial stability, it creates its own challenges on a long-excursion woofer. Managing the 'whipping' behavior of the wire and making sure it does not contact the cone or spider is one challenge. Another is ensuring that the leads do not short one another or the frame of the woofer.

To overcome these issues, JL Audio's engineered flying lead-wires work in conjunction with carefully engineered entry and exit support structures molded into the terminals and the voice coil collar. Some models also feature jacketed lead-wires to further reduce the likelihood of shorting and fatigue. The result is flawless high-excursion lead-wire behavior, with outstanding reliability and none of the compromises inherent to a woven-in lead wire system. Building woofers this way requires much more labor and parts complexity than the simpler woven-in approach, but the payoff is in reduced distortion, reduced mechanical noise and improved reliability.

Built in U.S.A. with Global Components

Detailed Information:
At a time when most audio products are built overseas, JL Audio’s commitment to in-house loudspeaker production continues to grow. To pull this off in a competitive world market, our production engineering team has created one of the world’s most advanced loudspeaker assembly facilities and established a global network of quality component suppliers who build to our specifications.

This, combined with our commitment to state-of-the-art assembly technology, allows our skilled workforce to efficiently build JL Audio products to extremely high quality standards, right here in the U.S.A. Since most of our premium loudspeakers incorporate proprietary, patented technologies requiring specific assembly techniques, we find it is vital that the people who designed them have close access to the people manufacturing them. The following JL Audio products are built in our Miramar, Florida factory, with global components:

• Subwoofer Drivers: W7, W6v3, TW5v2, TW3, TW1, W3v3
• Enclosed Car Subwoofers: Stealthbox®, PowerWedge™, ProWedge™, H.O. Wedge™ & MicroSub™ Enclosed Subwoofers
• Marine Loudspeakers, Marine Subwoofer Drivers and Marine Enclosed Loudspeakers
• Home Subwoofers: Dominion™, E-Sub, Fathom® and Gotham®

• Satin Black Powdercoated Basket
• Anniversary Edition Cone Badge and Terminal Label
• 1000 watt, 3 ohm Driver

JL Audio 13TW5v2-4

Overview

Specifications

• Continuous Power Handling (RMS) 600 W
• Recommended Amplifier Power (RMS) 250 - 600 W
• Nominal Impedance (Znom) 2 Ω

• Nominal Diameter 13.5 in / 345 mm
• Overall Diameter (A) A1: 14.2 in / 361mm
• A2: 13.0 in / 330 mm
• Mounting Hole Diameter (B) 12.5 in / 318 mm
• Bolt Hole Circle Diameter (C) 13.5 in / 343 mm
• Motor Outer Diameter (D) 6.75 in / 171 mm
• Mounting Depth (E) 2.625 in / 67 mm
• Driver Displacement 0.052 cu ft / 1.47 L
• Net Weight 20.5 lb / 9.3 kg

• Free Air Resonance (Fs) 27.61 Hz
• Electrical “Q” (Qes) 0.553
• Mechanical “Q” (Qms) 10.692
• Total Speaker “Q” (Qts) 0.526
• Equivalent Compliance (Vas) 2.13 cu ft / 60.31 L
• One-Way Linear Excursion (Xmax)* 0.433 in / 11 mm
• Reference Efficiency (no) 0.23%
• Efficiency (1 W / 1 m)** 85.63 dB SPL
• Effective Piston Area (Sd) 98.26 sq in / 0.0634 sq m
• DC Resistance (Re) 3.513 Ω

Technology

Dynamic Motor Analysis - DMA Optimized Motor

Floating Cone Attach Method - FCAM™ (U.S. Patent #6,501,844)

Tab-Ear Frame Design

Concentric Tube Suspension

Built in U.S.A. with Global Components

• Subwoofer Drivers: W7, W6v3, TW5v2, TW3, TW1, W3v3
• Enclosed Car Subwoofers: Stealthbox®, PowerWedge™, ProWedge™, H.O. Wedge™ & MicroSub™ Enclosed Subwoofers
• Marine Loudspeakers, Marine Subwoofer Drivers and Marine Enclosed Loudspeakers
• Home Subwoofers: Dominion™, E-Sub, Fathom® and Gotham®

JL Audio 13W3v3-4 13.5" Subwoofer Driver - 4 Ohm

• Continuous Power Handling (RMS) 600 W
• Recommended Amplifier Power (RMS) 150 - 600 W
• Nominal Impedance (Znom) 4 Ω

• Nominal Diameter 13.5 in / 345 mm
• Overall Diameter (A) 14.0 in / 356 mm
• Mounting Hole Diameter (B) 12.5625 in / 319 mm
• Bolt Hole Circle Diameter (C) 13.2 in / 335 mm
• Motor Outer Diameter (D) 5.79 in / 147 mm
• Mounting Depth (E) 7.63 in / 194 mm
• Driver Displacement 0.096 cu ft / 2.72 liters
• Net Weight 17.75 lb / 8.05 kg

• Free Air Resonance (Fs) 23.66 Hz
• Electrical “Q” (Qes) 0.465
• Mechanical “Q” (Qms) 6.774
• Total Speaker “Q” (Qts) 0.435
• Equivalent Compliance (Vas) 4.793 cu ft / 135.74 L
• One-Way Linear Excursion (Xmax)* 0.610 in / 15.5 mm
• Reference Efficiency (no) 0.37%
• Efficiency (1 W / 1 m)** 87.90 dB SPL
• Effective Piston Area (Sd) 103.850 sq in / 0.0670 sq m
• DC Resistance (Re) 3.569 Ω

Technology

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

Elevated Frame Cooling (U.S. Patent #6,219,431 & #6,229,902)

Floating Cone Attach Method - FCAM™ (U.S. Patent #6,501,844)

Vented Reinforcement Collar

Insert Molded Suspension / Coil / Terminal Sub-Assembly (U.S. Patent #7,379,558)

Customizable Trim Ring (U.S. Patent #D480,709)

Engineered Lead-Wire System (U.S. Patent #7,356,157)

Built in U.S.A. with Global Components

• Subwoofer Drivers: W7, W6v3, TW5v2, TW3, TW1, W3v3
• Enclosed Car Subwoofers: Stealthbox®, PowerWedge™, ProWedge™, H.O. Wedge™ & MicroSub™ Enclosed Subwoofers
• Marine Loudspeakers, Marine Subwoofer Drivers and Marine Enclosed Loudspeakers
• Home Subwoofers: Dominion™, E-Sub, Fathom® and Gotham®

JL Audio 6W3v3-4

• Continuous Power Handling (RMS) 150 W
• Recommended RMS Amplifier Power 50 - 150 W
• Nominal Impedance (Znom) 4 Ω

• Nominal Diameter 6.5 in / 165 mm
• Overall Diameter (A) 6.85 in / 174 mm
• Mounting Hole Diameter (B) 5.5 in / 140 mm
• Bolt Hole Circle (C) 6.125 in / 156 mm
• Magnet Diameter (D) 4.25 in / 108 mm
• Mounting Depth (E) 4.25 in / 108 mm
• Driver Displacement 0.02 cu ft / 0.57 L
• Net Weight 6.1 lb / 2.8 kg

• Free Air Resonance (Fs) 41.80 Hz
• Electrical “Q” (Qes) 0.533
• Mechanical “Q” (Qms) 11.027
• Total Speaker “Q” (Qts) 0.508
• Equivalent Compliance (Vas) 0.181 cu ft / 5.13 L
• One-Way Linear Excursion (Xmax)* 0.35 in / 8.89 mm
• Reference Efficiency (no) 0.0700%
• Efficiency (1 W / 1 m)** 80.49 dB SPL
• Effective Piston Area (Sd) 17.36 sq in / 0.0112 sq m
• DC Resistance (Re) 3.476 Ω

• Wall Thickness 0.5 in / 13 mm
• Front Baffle Thickness 0.5 in / 13 mm
• Volume (net int.) 0.15 cu ft / 4.2 L
• External Width (W) 8.5 in / 216 mm
• External Height (H) 8.5 in / 216 mm
• External Depth (D) 6.25 in / 159 mm
• F3 34 Hz
• Fc 60.6 Hz
• Qtc 0.729

• Wall Thickness 0.5 in / 13 mm
• Front Baffle Thickness 0.5 in / 13 mm
• Volume (net int.) 0.25 cu ft / 7.1 L
• External Width (W) 14.75 in / 375 mm
• External Height (H) 9.75 in / 248 mm
• External Depth (D) 5.25 in / 133 mm
• Internal Slot Port Width (SW) 4.25 in / 108 mm
• Internal Slot Port Height (SH) 0.5 in / 13 mm
• Internal Slot Port Depth (SD) 12.25 in / 311 mm
• Port Extension Length (EL) 11.75 in / 298 mm
• Tune to 38 Hz
• F3 36.6 Hz

JL Audio 8W1v3-4

Overview

Specifications

• Continuous Power Handling (RMS) 150 W
• Recommended Amplifier Power (RMS) 50 - 150 W
• Nominal Impedance (Znom) 4 Ω

• Nominal Diameter 8.0 in / 200 mm
• Overall Diameter (A) 8.5 in / 216 mm
• Mounting Hole Diameter (B) 7.09 in / 180 mm
• Bolt Hole Circle Diameter (C) 7.85 in / 199 mm
• Motor Outer Diameter (D) 4.72 in / 120 mm
• Mounting Depth (E) 3.86 in / 98 mm
• Driver Displacement 0.018 cu ft / 0.51 L
• Net Weight 7.4 lb / 3.4 kg

• Free Air Resonance (Fs) 35.40 Hz
• Electrical “Q” (Qes) 0.451
• Mechanical “Q” (Qms) 5.791
• Total Speaker “Q” (Qts) 0.418
• Equivalent Compliance (Vas) 0.68 cu ft / 19.26 L
• One-Way Linear Excursion (Xmax)* 0.3 in / 8 mm
• Reference Efficiency (no) 0.18%
• Efficiency (1 W / 1 m)** 84.8 dB SPL
• Effective Piston Area (Sd) 32.67 sq in / 0.0211 sq m
• DC Resistance (Re) 4.06 Ω

• Wall Thickness 0.75 in / 19 mm
• Front Baffle Thickness 0.75 in / 19 mm
• Volume (net int.) 0.350 cu ft / 9.90 L
• External Width (W) 12 in / 305 mm
• External Height (H) 10 in / 254 mm
• External Depth (D) 8.625 in / 219 mm
• F3 59.9 Hz
• Fc 60.7 Hz
• Qtc 0.717

• Wall Thickness 0.75 in / 19 mm
• Front Baffle Thickness 0.75 in / 19 mm
• Volume (net int.) 0.50 cu ft / 14.2 L
• External Width (W) 13.0 in / 330 mm
• External Height (H) 10 in / 254 mm
• External Depth (D) 11.125 in / 283 mm
• Internal Port Diameter (ID) 2 in / 51 mm
• Port Length (L) 10 in / 254 mm
• Tuning Frequency (Fb) 38 Hz
• F3 39.10 Hz

Technology

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

JL Audio C1-650

Overview

Specifications

• Continuous Power Handling (RMS) 50 W
• Peak Music Power 225 W
• Recommended Amplifier Power (RMS) 10 - 75 W / Ch.
• System Efficiency 91.0 dB @ 1 W / 1 m
• System Nominal Impedance 4 Ω
• System Frequency Response 59 Hz - 22 KHz ± 3 dB

• Frame Outer Diameter* (A) 6.5 in / 165 mm
• Grille Tray Outer Diameter (B) 6.84 in / 174 mm
• Motor Outer Diameter (C) 3.15 in / 80 mm
• Frontal Coaxial Tweeter Protrusion (D) N/A
• Frontal Grille Protrusion** (E) 0.85 in / 22 mm
• Mounting Hole Diameter (F) 5.56 in / 141 mm
• Mounting Depth (G) 2.44 in / 62 mm

• Flush Mount Fixture Diameter (A1) 1.87 in / 48 mm
• Surface Mount Fixture Diameter (A2) 1.69 in / 43 mm
• Flush Mount Mounting Hole Diameter (B) 1.625 in / 41 mm
• Flush Mount Mounting Depth (C) 0.76 in / 19 mm
• Flush Mount Tweeter Frontal Protrusion (D1) 0.29 in / 7 mm
• Surface Mount Tweeter Frontal Protrusion (D2) 0.92 in / 23 mm

• Width (W) 1.96 in / 50 mm
• Height (H) 0.90 in / 23 mm
• Depth (D) 1.34 in / 34 mm

Technology

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

JL Audio C1-650x

Specifications

• Continuous Power Handling (RMS) 50 W
• Peak Music Power 225 W
• Recommended Amplifier Power (RMS) 10 - 75 W / Ch.
• System Efficiency 90.5 dB @ 1 W / 1 m
• System Nominal Impedance 4 Ω
• System Frequency Response 48 Hz - 24 KHz ± 3 dB

• Frame Outer Diameter* (A) 6.25 in / 159 mm
• Grille Tray Outer Diameter (B) N/A
• Motor Outer Diameter (C) 3.15 in / 80 mm
• Frontal Coaxial Tweeter Protrusion** (D) 0.72 in / 18 mm
• Frontal Grille Protrusion (E) N/A
• Mounting Hole Diameter (F) 5.02 in / 128 mm
• Mounting Depth (G) 2.07 in / 53 mm

Technology

JL Audio C2-650X Evolution Series Coaxial Speakers

The Evolution C2 systems deliver exceptional sound quality, offering sparkling high-frequency detail, smooth midrange, and powerful mid-bass. This is achieved through real silk dome tweeters and precision-engineered woofer designs.

The C2-650x system features 6.5-inch (165 mm) woofers with mineral-filled polypropylene cones, long excursion capabilities, and stamped steel frames. These woofers are crafted using JL Audio's extensive expertise and advanced modeling systems, ensuring outstanding performance. The 6.5-inch format is designed to fit directly into many vehicles, with multiple mounting patterns on the woofer frame for easy installation.

The 0.75-inch silk dome tweeters are coaxially mounted to deliver smooth, extended response both on and off axis. Their compact design minimizes protrusion, enabling the C2 coaxial speakers to fit seamlessly behind most factory speaker grilles.

Each system includes woofer grilles, featuring a black grille tray with satin silver accents and a black steel mesh grille adorned with an electroformed JL Audio logo.

• Continuous Power Handling (RMS) 60 W
• Peak Music Power 225 W
• Recommended RMS Amplifier Power (per Ch.) 15 - 100 W
• System Efficiency 91 dB @ 1 W / 1 m System
• Nominal Impedance 4 Ohm
• System Frequency Response 59 Hz - 22 KHz ± 3 dB

• Frame Outer Diameter* (A) 6.5 in / 165 mm
• Grille Tray Outer Diameter (B) 6.84 in / 174 mm
• Magnet Outer Diameter (C) 3.15 in / 80 mm
• Frontal Coaxial Tweeter Protrusion** (D) 0.45 in / 12 mm
• Frontal Grille Protrusion*** (E) 0.85 in / 22 mm
• Mounting Hole Diameter (F) 5.56 in / 141 mm
• Mounting Depth (G) 2.44 in / 62 mm

*Does not take into account mounting tabs
**Frontal coaxial tweeter protrusion measured from mounting surface
***Frontal grille protrusion measured from mounting surface

JL Audio C7-100ct 1" Component Dome Tweeter - Single Tweeter

The C7-100ct represents the pinnacle of JL Audio’s automotive speaker design, crafted with precision engineering and cutting-edge technology. This high-performance component tweeter delivers exceptional high-frequency accuracy, ensuring an immersive and detailed listening experience.

Unrivaled High-Frequency Performance
Designed for active sound systems, the C7-100ct does not include passive crossover networks. Instead, JL Audio recommends using a high-quality tuning DSP, such as the TwK™ 88 or D8, along with a dedicated amplifier channel for each C7 driver. With precise tuning of equalization, delay, and crossover filters, the C7-100ct achieves optimal in-vehicle audio performance.

Advanced Engineering and Design

Premium Dome Diaphragm
Corundum ceramic-coated aluminum alloy diaphragm – Ultra-rigid, lightweight, and environmentally stable
True piston operation at high frequencies – Delivers exceptional detail without added moving mass

Optimized Suspension System
Treated silk S-roll surround – Ensures smooth, controlled movement of the diaphragm
Ferrofluid in the magnetic gap – Enhances damping while maintaining unrestricted excursion

High-Precision Motor Design
Neodymium magnet with U-Yoke motor topology – Provides a high-density magnetic circuit
Under-hung voice coil – Copper-clad aluminum wire on an aluminum former for reduced distortion
Advanced FEA-optimized magnetics – Minimizes even-order distortion, IMD, and AMD, resulting in superior clarity

Acoustic Housing and Directivity Control
Tweeter housing shape enhances sensitivity – Boosts response in a specific frequency range
Improved directivity control – Ensures consistent, balanced sound dispersion

Design Bandwidth and Frequency Response
With 48 dB/octave filters: 3,000 Hz - 30,000 Hz
With 24 dB/octave filters: 4,000 Hz - 30,000 Hz
With 12 dB/octave filters: 5,000 Hz - 30,000 Hz

Each C7 tweeter undergoes rigorous performance verification, and owners can register their unit online to receive a copy of its specific Acoustical Test Report.

Sold individually.

Specifications

General Specifications
Continuous Power Handling (RMS) 100 W
Peak Music Power 200 W
Recommended Amplifier Power (RMS) 50 - 150 W / Ch.
Nominal Impedance 4 Ω
Frequency Response 3 kHz - 30 KHz ± 3 dB

Parameters
Voice Coil Resistance (Re) 3.20 Ω
Free Air Resonance (Fs) 1450 Hz
Reference Efficiency (no) 0.267%
Efficiency 86.5 dB @ 1W / 1m
92.5 dB @ 1W / 0.5m
Sensitivity 89.5 dB @ 2.83V / 1m

Tweeter Physical Specifications
Flush Mount Fixture Diameter (A1) 2.13 in / 54 mm
Surface Mount Fixture Diameter (A2) 2.16 in / 55 mm
Flush Mount Mounting Hole Diameter (B) 1.88 in / 48 mm
Flush Mount Mounting Depth (C) 0.73 in / 19 mm
Flush Mount Tweeter Frontal Protrusion (D1) 0.33 in / 8 mm
Surface Mount Tweeter Frontal Protrusion (D2) 1.06 in / 27 mm

JL Audio C7-350cm 3.5" Component Midrange with Grille - Single Midrange Speaker

C7 is the pinnacle of JL Audio automotive loudspeaker design, benefiting from our most advanced development tools and a complete commitment to precision manufacturing.

The C7-350cm component midrange is designed to operate in a 3-way system, with a woofer and tweeter. Conceived and purpose-built from the ground up, it offers exceptional transient response and outstanding linearity, resulting in unsurpassed clarity and natural mid-range reproduction. Distortion and non-linearities have been minimized through critical optimization of dynamic motor and suspension behaviors.

Passive crossover networks are not included with C7 drivers, as they are designed for active systems. Instead, we recommend a high-quality tuning DSP, such as the JL Audio TwK™ 88 or D8, and a dedicated amplifier channel for each C7 loudspeaker in the system. Precise setup of equalization, delay and crossover filters will ensure optimal in-vehicle performance.

C7-350cm Design Notes

Suspension Design
The moving assembly is suspended and damped via a linear profile spider formed from a Nomex®/polycotton blend, and a positive-roll, rubber surround. The two combine to provide optimum damping without prematurely restricting excursion.

Motor Design
The C7-350cm employs a high-density magnetic circuit with a high-grade, neodymium magnet, and a specially machined, U-Yoke motor topology. Motor magnetics have been precisely optimized utilizing advanced FEA tools to reduce distortion and provide linear motor force throughout the driver's performance range.

A 36 mm (1.42 inch) diameter, overhung voice coil is employed, wound with copper-clad aluminum wire onto a fiberglass voice coil former. The oversized voice coil offers extended power handling capability, minimizing thermal compression and distortion at higher listening levels.

Chassis Design
A purpose-engineered cast alloy basket is employed, featuring thin spokes to maximize rear open area.

Design Bandwidth
With 48 dB/octave filters: 300 Hz - 10 kHz
With 24 dB/octave filters: 400 Hz - 10 kHz
With 12 dB/octave filters: 500 Hz - 10 kHz

Built in USA with Global Components
Sold individually, with a cast-alloy grille tray, one fine mesh steel grille insert and one spiral steel grille insert.

The performance of every C7 driver is tested and verified, then assigned a unique serial number. Register your C7 loudspeaker online to receive a copy of its specific Acoustical Test Report.

Specifications

• Continuous Power Handling (RMS) 100 W
• Peak Music Power 200 W
• Recommended Amplifier Power (RMS) 50 - 150 W / Ch.
• Nominal Impedance 4 Ω
• Frequency Response 300 Hz - 10 KHz ± 3 dB

Parameters

• Moving Mass (Mms) 4.009 g
• Equivalent Compliance (Vas) 0.015 cu. ft. (0.430 liters)
• Mechanical Compliance (Cms) 0.000257 m/N
• Magnetic Strength (BL) 4.66 N/A
• One Way Linear Excursion (Xmax) 1 mm
• Effective Piston Area (Sd) 5.31 sq. in. (0.003426 sq. m)
• Total Speaker “Q” (Qts) 0.541
• Mechanical “Q” (Qms) 6.454
• Reference Efficiency (no) 0.27%
• Free Air Resonance (Fs) 156.9 Hz
• Efficiency 86.5 dB @ 1W / 1m
• 92.5 dB @ 1W / 0.5m
• Sensitivity 89.5 dB @ 2.83V / 1m
• Electrical “Q” (Qes) 0.59
• Voice Coil Resistance (Re) 3.245 Ω

Midrange Physical Specifications

• Frame Outer Diameter (A) 3.45 in / 88 mm
• Bolt Hole Circle Diameter (B) 3.15 in / 80 mm
• Mounting Hole Diameter (C) 2.87 in / 73 mm
• Grille Tray Outer Diameter (D) 3.95 in / 100 mm
• Frontal Grille Protrusion (E) 0.58 in / 15 mm
• Mounting Depth (F) 1.46 in / 37 mm
• Motor Outer Diameter (G) 2.36 in / 60 mm

Technology

Detailed Information:
Since 1997, JL Audio has been at the forefront of Finite Element Analysis-based modeling of loudspeaker motors and suspensions. This research is aimed at decoding what we refer to as the "Loudspeaker Genome"... a project aimed at understanding the true behavior of loudspeakers under power and in motion. A major component of this integrated system is DMA (Dynamic Motor Analysis). Starting with the 15W3 and the W7 Subwoofers in the late 1990's and early 2000's, DMA has played an important role in the design of all JL Audio woofers sold today, including our component woofers.

DMA is a Finite Element Analysis (FEA)-based system, meaning that it takes a large, complex problem, breaks it down into small solution elements for analysis and then assembles the data to form an accurate, "big-picture" solution. DMA's breakthrough is that it actually considers the effects of power through the coil as well as coil/cone position within the framework of a time-domain analysis. This gives us a highly accurate model of a speaker's actual behavior under real power, something that the traditional Thiele-Small models or other low power measurements cannot do. Because DMA does not rely on a steady-state model, it is able to consider shifts in the circuit elements being analyzed. These modeling routines are intense, requiring hours to run for a whole speaker.

DMA is able to analyze the real effects of fluctuating power and excursion upon the magnetic circuit of the motor, specifically the dynamic variations of the "fixed" magnetic field. This delivers intensely valuable information compared to traditional modeling, which assumes that the "fixed" field produced in the air gap by the magnet and the motor plates is unchanging. DMA not only shows that this "fixed" field changes in reaction to the magnetic field created by current flowing through the voice coil, but it helps our engineers arrive at motor solutions that minimize this instability. Analyzing this behavior is critical to understanding the distortion mechanisms of a speaker motor and sheds light on the aspects of motor design that determine truly linear behavior:

1. Linear motor force over the speaker's operational excursion range
2. Consistent motor force with both positive and negative current through the coil
3. Consistent motor force at varying applied power levels

Our ability to fully analyze these aspects of motor behavior allows our transducer engineers to make critical adjustments to motor designs that result in extremely linear, highly stable dynamic loudspeaker motor systems.

The payoff is reduced distortion, improved transient performance and stellar sound quality.

Elevated Frame Cooling (U.S. Patent #6,219,431 & #6,229,902) JL Audio's patented Elevated Frame Cooling design delivers cool air through slots directly above the top-plate to the voice coil of the speaker. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.

Detailed Information:
Many speakers employ venting techniques to enhance voice coil cooling. This is typically accomplished by having big holes in the sides of the frame just below the spider attachment shelf. While it provides a modest cooling benefit, this low-velocity air-flow does not blow directly or strongly on the voice coil.

Our patented design improves upon this cooling technique in a number of ways. By elevating the frame above the top-plate of the motor (via stand-offs integrated into the bottom of the frame) a narrow, high-velocity air-path is created between the bottom surface of the frame and the top surface of the top-plate. This air path leads directly to the voice coil and then turns upward into the spider air cavity. By utilizing the pumping action of the spider through this focused air path, a large volume of cool air hits the coil windings directly.

Another important benefit is that the upper surface of the top-plate (one of the speaker's hottest parts) is directly exposed to cooling air flow, whereas on a conventional design it is isolated from the air flow by the lower flange of the frame. The elevated frame technology greatly increases thermal power handling, reduces compression effects and does so without any additional parts.

JL Audio CP208LG-W3v3 Dual 8" Low Profile Loaded Subwoofer Enclosure - 2 Ohm

JL Audio DRC-205 Digital Remote Control for JLid™ Compatible Products

The DRC-205 is a panel-mount, wired digital remote controller designed to connect to the JLid™ port of compatible JL Audio electronics.

Functions:
Dual-concentric rotary controls with stops
Push-button mode selector
Status indicator (RGB LED)

Common Uses Include:
Master Volume
Subwoofer Volume
Preset or Mode Selection The specific audio functionality of the DRC-205 controller will be determined by the device it is connected to.

The DRC-205 is compatible with the following JL Audio products:
FiX® OEM Integration DSP: All models
TwK® System Tuning DSP: All models
VXi-Series Amplifiers: All models

JLid™

Summary:
JLid™ is JL Audio's protocol for digital controllers and for communication of settings between devices (not for audio signals).

Detailed Information:
JLid™ offers two-way communication for a range of accessories, including the following: Wired System Controllers: DRC-100, DRC-200, DRC-205
Bluetooth® Communicator: VXi-BTC
Networking Accessory: VXi-HUB JL Audio FiX® and TwK® processors each feature one “JLid™ Port”, designed for connection of a wired controller.

JL Audio VXi amplifiers offer powerful networking capabilities via JLid™, to deliver single-point control of multiple amplifiers in a system. This allows the user to adjust levels (Volume, Fader, Balance, Zone Level) and to select from multiple DSP presets, across an entire group of networked amplifiers. JL Audio VXi amplifiers each feature separate “JLid™ Control” and “JLid™ Comm” ports. Please refer to the VXi product manual and our Help Center for details.

JL Audio C2-570x

• Continuous Power Handling (RMS) 60 W
• Peak Music Power 225 W
• Recommended RMS Amplifier Power (per Ch.) 15 - 100 W
• System Efficiency 90.5 dB @ 1 W / 1 m
• System Nominal Impedance 4 Ω
• System Frequency Response 53 Hz - 22 KHz ± 3 dB

• Frame Outer Diameter* (A) 5.47 x 7.68 in / 139 x 195 mm
• Grille Tray Outer Diameter (B) N/A
• Magnet Outer Diameter (C) 2.76 in / 70 mm
• Frontal Coaxial Tweeter Protrusion** (D) 0.47 in / 12 mm
• Frontal Grille Protrusion (E) N/A
• Mounting Hole Diameter (F) N/A
• Mounting Depth (G) 2.43 in / 62 mm

JL Audio C2-650

General Specifications

• Continuous Power Handling (RMS) 60 W
• Peak Music Power 225 W
• Recommended RMS Amplifier Power (per Ch.) 15 - 100 W
• System Efficiency 91.0 dB @ 1 W / 1 m
• System Nominal Impedance 4 Ω
• System Frequency Response 59 Hz - 22 KHz ± 3 dB

JL Audio C2-690tx

The Evolution C2 systems deliver sparkling high-frequency detail, smooth mid-range and powerful mid-bass, thanks to real silk dome tweeters and precision-engineered woofer designs.

The C2-690tx system features 6 x 9-inch (150 x 230 mm) woofers with mineral-filled polypropylene cones, long excursion capabilities and stamped steel frames. The woofer design benefits from JL Audio's vast woofer design experience and advanced modeling systems.

The 6 x 9-inch (150 x 230 mm) format is a direct fit in many vehicles. The Mid-Range driver is ferrofluid-cooled, with a 2-inch Mylar® cone diaphragm to smoothly bridge the gap between the woofer and the dome tweeter.

Tweeters are mounted next to the mid-range driver and built with 0.75-inch silk dome diaphragms that deliver smooth, extended response, on and off axis. The small size of the C2 tweeter minimizes tweeter protrusion, allowing C2 coaxials to fit behind most factory speaker grilles.

Woofer grilles are included, each consisting of a black grille tray with satin silver accents and a black steel mesh grille with an electroformed JL Audio logo.

Sonic character: Clean and Dynamic Sold as a pair.
General Specifications

• Continuous Power Handling (RMS) 70 W
• Peak Music Power 225 W
• Recommended RMS Amplifier Power (per Ch.) 15 - 125 W
• System Efficiency 93 dB @ 1 W / 1 m
• System Nominal Impedance 4 Ω
• System Frequency Response 53 Hz - 22 KHz ± 3 dB

Coaxial Physical Specifications

• Frame Outer Diameter* (A) 6.40 x 9.33 in / 163 x 237 mm
• Grille Tray Outer Diameter (B) 6.75 x 9.63 in / 172 x 245 mm
• Magnet Outer Diameter (C) 3.94 in / 100 mm
• Frontal Coaxial Tweeter Protrusion** (D) 0.75 in / 19 mm
• Frontal Grille Protrusion*** (E) 0.98 in / 25 mm
• Mounting Hole Diameter (F) N/A
• Mounting Depth (G) 3.06 in / 78 mm

*Does not take into account mounting tabs **Frontal coaxial tweeter protrusion measured from mounting surface ***Frontal grille protrusion measured from mounting surface

JL Audio Evolution C3-650 6.5" Component Speaker System

• Continuous Power Handling (RMS) 75 W
• Peak Music Power 225 W
• Recommended RMS Amplifier Power (per Ch.) 25 - 150 W
• System Efficiency 90.0 dB @ 1 W / 1 m
• System Nominal Impedance 4 Ω
• System Frequency Response 48 Hz - 25 KHz ± 3 dB

• Frame Outer Diameter (A) 6.50 in / 165 mm
• Grille Tray Outer Diameter (B) 6.74 in / 171 mm
• Rear Cover Outer Diameter (C) 4.08 in / 104 mm
• Frontal Coaxial Tweeter Protrusion* (D) 0.75 in / 19 mm
• Frontal Grille Protrusion** (E) 1.03 in / 26 mm
• Mounting Hole Diameter (F) 5.56 in / 141 mm
• Mounting Depth (G) 2.55 in / 65 mm

• Flush Mount Fixture Diameter (A1) 2.12 in / 54 mm
• Surface Mount Fixture Diameter (A2) 1.93 in / 49 mm
• Flush Mount Mounting Hole Diameter (B) 1.875 in / 48 mm
• Flush Mount Fixture Mounting Depth (C) 0.71 in / 18 mm
• Flush Mount Tweeter Frontal Protrusion (D1) 0.32 in / 8 mm
• Surface Mount Tweeter Frontal Protrusion (D2) 0.95 in / 24 mm

• Width (W) 3.36 in / 85 mm
• Height (H) 1.44 in / 37 mm
• Depth (D) 4.72 in / 120 mm

JL Audio 98103

General Specifications

• Power Supply Type: Regulated DC-DC SMPS
• Input Operating Voltage: 10 - 16 VDC
• Standby Current Draw: <1.5 mA
• Operating Current Draw: 0.7 A
• Recommended Fuse Value: 1 A
• Input Channels: Eight
• Input Type: Differential-Balanced
• Input Voltage Range: 250 mV - 30 V RMS
• Minimum Input Voltage: 10 mV RMS
• Input Level Setting: Fully automatic
• Output Channels: Six (Front/Rear/Sub Output Pairs)
• Analog Output: Unbalanced, stereo RCA jacks
• Digital Output: N/A
• Output Impedance: 450 Ω
• S/N Ratio: 96 dB (A-Weighted, referred to 4V RMS Output)
• THD+N @ Rated Output: 0.02% (20 Hz - 20 kHz

• Audio Resolution: 24 bit / 48 kHz
• Number of EQ Bands: 30 x 2 channels
• EQ Resolution: 1/3 octave (25 Hz - 20 kHz)
• Remote Level Control: Optional (DRC-100 or DRC-200)
• Remote Level Functions: Master Volume Control, Handsfree Optimization, LED Status Reporting (DRC-200 adds Subwoofer Level Control)

• Height (H): 1.85 in / 47 mm
• Width (W): 4.29 in / 109 mm
• Depth (D): 6.14 in / 156 mm
• Net Weight: 2.58 lb / 1.17 kg

JL Audio FiX-LSA-4

JL Audio HD1200/1

• @ 4 Ω 1200 W RMS x 1
• @ 3 Ω 1200 W RMS x 1
• @ 2 Ω 1200 W RMS x 1
• @ 1.5 Ω 1200 W RMS x 1

• @ 4 Ω 1200 W RMS x 1
• @ 3 Ω 1200 W RMS x 1
• @ 2 Ω 1200 W RMS x 1
• @ 1.5 Ω 1200 W RMS x 1

• Frequency Response 6 Hz - 8 kHz (+0, -1dB)
• S/N Ratio, referred to highest rated power >110 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
• S/N Ratio, referred to 1 W (Main Channels) >79 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
• Damping Factor @ 4 Ω >500 / 50 Hz
• Damping Factor @ 2 Ω >250 / 50 Hz
• THD+N @ Rated Power (Main Channels) <0.03% @ 4 Ω
• Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
• Min.Copper Power / Ground Wire Gauge 2 AWG wire
• Fuse Rating 100 A (AFS, AGU or MaxiFuse™)

• Filter Mode(s) Low-Pass or High-Pass
• Filter Slope(s) 12/24 dB/octave
• Filter Frequency Range 50 Hz - 500 Hz
• Detented, Calibrated Filter Freq. Potentiometer Yes
• Filter Defeat Function Yes
• Infrasonic Filter 30 Hz, defeatable
• Bass Boost EQ No
• Output Polarity Switch Yes
• Remote Subwoofer Level Control Optional (HD-RLC)
• Remote Bass EQ Boost Control No
• Pass-Through Preamp Output Buffered

• Height (H) 1.93 in / 49 mm
• Width (W) 10.74 in / 273 mm
• Depth (D) 8.29 in / 211 mm
• Net Weight 6.6 lb / 2.99 kg

• Powerful & Compact Mono Amplifier
• High-Fidelity, Full Range Class D
• Regulated Intelligent Power Supply "R.I.P.S."

JL Audio HD900/5

Physical Specifications

Height (H)	1.93 in / 49 mm
Width (W)	10.74 in / 273 mm
Depth (D)	8.29 in / 211 mm
Net Weight	6.85 lb / 3.11 kg

JL Audio JD400/4 400 Watt 4-Channel Full-Range Class D Amplifier

The JD400/4’s controls can be found on the input panel of the amplifier, with all speaker and power connections located along the opposite end of the extruded aluminum chassis. Signal processing features include high or low-pass 12 dB / octave filters (defeatable) for each channel pair, with continuously variable frequency selection from 50-500 Hz, and dual-range, differential-balanced inputs capable of accepting line-level or speaker-level signals. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard equipment.

Onboard LED-clipping indicators are also included surrounding each input sensitivity control. This convenient feature lets you set your amplifier’s input sensitivity, quickly and accurately, without special equipment. You will also find a set of buffered, pass-through preamp outputs on-board, so you can pass signals to another amplifier.

Specifications

JL Audio JD500/1 Subwoofer Amplifier

Powerful and Efficient Performance
Producing a remarkable 500 watts into 2 ohms (14.4V, 1% THD), the JD500/1 amplifier is a perfect choice for powering subwoofers in a budget-friendly audio system. Utilizing JL Audio’s proprietary NexD™ switching technology, this amplifier delivers significant real-world power with outstanding efficiency and ultra-low distortion, ensuring your system produces clean, powerful bass.

Intuitive Design and Versatile Features
The JD500/1 is thoughtfully designed for convenience and functionality. Its controls are housed on the input panel, while power and speaker connections are positioned on the opposite side of its robust extruded aluminum chassis. Key signal processing features include a 12 dB/octave low-pass filter with a fully adjustable frequency range from 50 to 500 Hz and a variable bass boost EQ for precise tuning.

Dual-range, differential-balanced inputs make the amplifier compatible with both line-level and speaker-level signals, offering versatility for various system setups. Automatic turn-on capability—via signal sensing or DC-offset sensing—simplifies installation, while preamp outputs make it easy to daisy-chain signals to additional amplifiers.

Precision Made Easy
The JD500/1 is equipped with an onboard LED-clipping indicator ring around the input sensitivity control, enabling quick and accurate input sensitivity adjustments without the need for specialized tools. For added convenience, the optional RBC-1 remote level control (sold separately) allows you to adjust the subwoofer level effortlessly from the driver’s seat.

Combining power, efficiency, and user-friendly features, the JD500/1 delivers outstanding performance and value for any audio enthusiast seeking high-quality bass on a budget.

Specifications

Rated Continuous (RMS) Power @ 14.4 V
@ 4 Ω: 250 W RMS x 1
@ 3 Ω: 350 W RMS x 1
@ 2 Ω: 500 W RMS x 1

Rated Continuous (RMS) Power @ 12.5 V
@ 4 Ω: 225 W RMS x 1
@ 3 Ω: 300 W RMS x 1
@ 2 Ω: 400 W RMS x 1

General Specifications
Frequency Response: 7 Hz - 500 Hz (+0, -1dB)
S/N Ratio, referred to highest rated power:>80 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W:>60 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω:>1000 / 50 Hz
Damping Factor @ 2 Ω:>500 / 50 Hz
THD+N @ Rated Power: <1% @ 2 Ω per Ch.
Input Voltage Range @ RCA Inputs: Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
Min.Copper Power / Ground Wire Gauge: 4 AWG wire
Fuse Rating: 50 A (AFS, AGU or MaxiFuse™)

Signal Processing
Filter Mode(s): Low-Pass only
Filter Slope(s): 12 dB/octave
Filter Frequency Range: 50 Hz - 500 Hz
Detented, Calibrated Filter Freq. Potentiometer: No
Filter Defeat Function: No
Infrasonic Filter: No
Bass Boost EQ: Yes
Output Polarity Switch: No
Remote Subwoofer Level Control: Optional (RBC-1)
Remote Bass EQ Boost Control: No
Pass-Through Preamp Output: Buffered

Physical Specifications
Height (H): 2.10 in / 53 mm
Width (W): 9.50 in / 242 mm
Depth (D): 7.50 in / 190 mm