JL Audio 15W3v2-D4, 15W3v2-D2 Owners Manual

MEDIUM GRAY (MINIMUM):

From a reliability standpoint, this zone represents a very comfortable operating power range for each driver. This level of power will not stress the woofer but will not extract all of its performance potential, either.

Use of less than the minimum power level will not damage the woofer, but may result in unsatisfactory performance.

LIGHT GRAY (OPTIMUM):

This zone represents the best compromise between long-term reliability, high-output and lowdistortion performance and is centered on each woofer's continuous power rating (as published in its specifications). In this zone, you will be taking full advantage of the woofer's optimum, low-distortion performance range without undue risk of failure.

DARK GRAY (MAXIMUM):

In this zone, low-distortion output and long-term reliability will be compromised (especially by an aggressive user). Slightly more SPL will be gained by pushing the power into this zone, but typically not more than 2dB, compared to the light gray zone. The closer you are to the black zone, the higher the likelihood of driver failure. Operate with caution.

BLACK (WARRANTY VOID):

We do not recommend operating woofers at this level of power. In this zone, there is a very high probability that the driver will fail due to excessive heat and/or mechanical stress.

Subwoofer drivers operated at these levels of power are NOT covered under warranty.

Printed in USA SKU#011081 11.10.2004

RECOMMENDED CONTINUOUS (RMS) POWER RANGE FOR ONE SUBWOOFER DRIVER:

JL Audio offers an extensive line of high-performance subwoofer drivers to fit a wide variety of enclosure and power applications. When designing systems with our drivers, it is very important to achieve a good power match between the subwoofer amplifier and the subwoofer driver's capabilities. The power levels listed in the above chart represent continuous (RMS) amplifier power per woofer and assume that the user will regularly make full use of that power without drastically overdriving the amplifier(s). Make sure you factor system impedance and the total number of subwoofers into your calculations. Adhering to these power recommendations will result in systems that are both reliable and enjoyable.

JL AUDIO warrants this speaker to be free of defects in materials and

workmanship for a period of one (1) year from the original date of purchase, contingent upon installation being performed or approved by an authorized JL AUDIO dealer, in writing, on the original sales receipt. If the preceding

condition is not met, the warranty term is limited to ninety (90) days from the original purchase date.

Damage caused by the following is not covered under warranty: accident, misuse, abuse, product modification or neglect, failure to follow installation instructions, unauthorized repair attempts, misrepresentations by the seller. This warranty does not cover incidental or consequential damages and does not cover the cost of removing or reinstalling the unit(s). Cosmetic damage due to accident or normal wear and tear is not covered under warranty.

This warranty is not transferable and applies only to the original purchaser of the product from an authorized JL AUDIO dealer. Warranty is voided if the factory-applied product serial number is removed or defaced.

Should service be necessar y under this warranty for any reason due to manufacturing defect or malfunction, JL AUDIO will, at its discretion, repair or replace the defective product with new or remanufactured product at no charge.

Any applicable implied warranties are limited in duration to the period of the express warranty as provided herein beginning with the date of the original purchase at retail, and no warranties, whether express or implied, shall apply to this product thereafter. Some states do not allow limitations on implied warranties, therefore these exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

If you need service on your JL AUDIO product:

All warranty returns should be sent to JL AUDIO freight prepaid through an authorized JL AUDIO dealer and must be accompanied by proof of purchase (a copy of the original sales receipt.) Direct returns from consumers or non-authorized dealers will be refused unless specifically authorized by JL AUDIO with a valid return authorization number. Warranty expiration on products returned without proof of purchase will be determined from the manufacturing date code. Coverage may be invalidated as this date is previous to purchase date. Return only defective components. Non-defective items received will be returned freight-collect. Customer is responsible for shipping charges and insurance in sending the product to JL AUDIO. Freight damage on returns is not covered under warranty. Always include proof of purchase (sales receipt).

For Service Information in the U.S.A. please call:

JL Audio customer service: (954) 443-1100 during normal business hours (Eastern Time)

JL Audio, Inc

10369 North Commerce Parkway, Miramar, FL 33025

International Warranties:

Products purchased outside the United States of America are covered only by that country’s distributor and not by JL Audio, Inc.

JL AUDIO LIMITED WARRANTY (USA)

Automotive Subwoofer Components

15W3v2-D2 / 15W3v2-D4

Subwoofers

owner’s manual

Congratulations on your purchase of a JL Audio subwoofer component. Your JL Audio subwoofer is a

precision loudspeaker which has been engineered to produce the highest quality sub-bass performance

in your vehicle. Authorized JL Audio dealers have extensive technical information for many different

applications of your new speaker. They also have the knowledge, skills and tools to build a high-quality

enclosure that will maximize the performance of your speaker. We highly recommend that you have your

enclosure built by an authorized JL Audio dealer.

Inside you will find specifications and two recommended enclosures for your speaker; one is a sealed

enclosure, the other is a ported design. Both types of enclosures will give you excellent sound quality and

low-frequency extension. The sealed enclosure is a better choice if space is extremely tight, but the ported

enclosure will produce 3dB more output at the same power if you have the extra space to work with.

If you decide to build one of these enclosures yourself, you must have the construction of the box

inspected and approved by your authorized JL Audio dealer in order for the 1 year limited warranty to

be valid. Please read the warranty information carefully.

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50W 125W 250W 500W 1000W 2000W

LEGEND:

MINIMUM

15W3v2

OPTIMUM MAXIMUM

WARRANTY VOID

WIRING OPTIONS

2 JL AUDIO 15W3v2-D2 / 15W3v2-D4

SUBWOOFER 15W3v2-D2 15W3v2-D4

Free Air Resonance (Fs): 22.5 Hz 23.0 Hz

Electrical “Q” (Qes): 0.510 0.464

Mechanical “Q” (Qms): 10.155 8.794

Total Speaker “Q” (Qts): 0.486 0.441

Equivalent Compliance (Vas):

6.86 cu. ft.

194.3 litres

6.94 cu. ft.

196.5 litres

One-way, Linear Excursion (Xmax)*:

0.675 in

17.1 mm

0.675 in

17.1 mm

Efficiency (1W/1m)**: 88.2 dB SPL 88.9 dB SPL

Effective Piston Area (Sd):

127.5 sq. in.

0.0822 sq. m.

127.5 sq. in.

0.0822 sq. m.

DC Resistance (Re)***: 3.44 ohm 6.80 ohm

Nominal Impedance: Dual 2 ohm Dual 4 ohm

Power Handling (continuous): 500W 500W

* Xmax specifications are derived via one-way voice coil overhang method with no correction

factors applied.

** Efficiency (1W/1m) 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”.

*** 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.

15W3v2 SUBWOOFER PHYSICAL

SPECIFICATIONS

Nominal Diameter: 15 in / 381 mm

Overall Diameter (A): 15.2 in / 386 mm

Mounting Hole Dia. (B): 13.875 in / 353 mm

Bolt Hole Circle (C): 14.56 in / 370 mm

Magnet Diameter (D): 6.5 in / 165 mm

Mounting Depth (E): 8.125 in / 206 mm

Net Weight: 17.4 lbs. / 7.8 Kg

Driver Displacement: 0.14 cu. ft. / 3.9 litres

JL AUDIO 15W3v2-D2 / 15W3v2-D4

U.S . PATE NTS: # 5,734, 734 #6, 219,431 #6 ,234,47 9 Other U. S. & Foreig n patent s pendin g.

JL AUDIO 15W3v2-D2 / 15W3v2-D4 3

SUBWOOFER RECOMMENDED SEALED ENCLOSURES

Volume

(net int.)

External Dimensions

(Width x Height x Depth)

(Hz)Fc(Hz)

Qtc

15W3v2-D2

2.125 cu. ft.

60.2 litres

22 in. x 16 in. x 14.75 in.

559 mm x 406 mm x 375 mm

38.9 44.7 0.97

15W3v2-D4

2.125 cu. ft.

60.2 litres

22 in. x 16 in. x 14.75 in.

559 mm x 406 mm x 375 mm

41.6 46.0 0.88

All specifications are subject to change without notice.

SUBWOOFER RECOMMENDED PORTED ENCLOSURES

Volume

(net int.)

Enclosure External Dimensions

(Width x Height x Depth)

Por ts

(Inside Diameter x Length)

Tune to:

(Hz)

15W3v2-D2

3.50 cu. ft.

99.1 litres

24 in. x 19 in. x 18 in.

610 mm x 483 mm x 457 mm

(2) 3.0 in. x 11.6 in.

(2) 76 mm x 295 mm

28.0 28.8

15W3v2-D4

3.50 cu. ft.

99.1 litres

24 in. x 19 in. x 18 in.

610 mm x 483 mm x 457 mm

(2) 3.0 in. x 10.9 in.

(2) 76 mm x 277 mm

30.0 30.0

CAUTION

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.

• The enclosure recommendations listed above are

external dimensions which assume the use of 3/4" (19mm) thick material. If you are using 5/8" (16mm)

thick material, subtract 1/4" (6.5mm) from each dimension. Do not use any material with a thickness of less than 5/8" (16mm) 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 at 954-443-1100.

• 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.

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