JL Audio 12W3v2 User 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.
12W3v2
Subwoofers
owner’s manual
AMPLIFIER
AMPLIFIER
AMPLIFIER
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W3v2 VOICE COILS IN SERIES: W3v2 VOICE COILS IN PARALLEL:
W3v2-D6: 12.0Ω
W3v2-D4: 8.0Ω
W3v2-D2: 4.0Ω
W3v2-D6: 6.0Ω
W3v2-D4: 4.0Ω
W3v2-D2: 2.0Ω
W3v2-D6: 4.0Ω
W3v2-D4: 2.7Ω
W3v2-D2: 1.3Ω
W3v2-D6: 3.0Ω
W3v2-D4: 2.0Ω
W3v2-D2: 1.0Ω
W3v2-D6: 1.5Ω
W3v2-D4: 1.0Ω
W3v2-D2: 0.5Ω
W3v2-D6: 1.0Ω
W3v2-D4: 0.7Ω
W3v2-D2: 0.3Ω
2 JL AUDIO 12W3v2
*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.
SUBWOOFER SPECIFICATIONS
WIRING OPTIONS
SUBWOOFER: 12W3v2-D2 12W3v2-D4 12W3v2-D6
Free Air Resonance (Fs): 24.3 Hz 24.0 Hz 24.4 Hz
Electrical “Q” (Qes): 0.475 0.443 0.489
Mechanical “Q” (Qms): 8.483 8.483 8.483
Total Speaker “Q” (Qts): 0.449 0.421 0.463
Equiv. Compliance (Vas): 3.65 ft
3
3.65 ft
3
3.65 ft
3
103.4 litres 103.4 litres 103.4 litres
One-way, Linear Excursion: 0.513 in 0.463 in 0.473 in
(Xmax)* 13.0 mm 11.8 mm 12.0 mm
Efficiency (1W/1m)**: 86.7 dB 86.9 dB 86.7 dB
Effective Piston Area (Sd): 81.5 in
2
81.5 in
2
81.5 in
2
0.0526 m
2
0.0526 m
2
0.0526 m
2
DC Resistance (Re)***: 3.82Ω 7.35Ω 10.32Ω
Nominal Impedance: Dual 2Ω Dual 4Ω Dual 6Ω
Power Handling (continuous): 300W 300W 300W
Mounting Depth: 6.56 in 6.56 in 6.56 in
167 mm 167 mm 167 mm
Mounting Hole Diameter: 11.06 in 11.06 in 11.06 in
281 mm 281 mm 281 mm
Driver Displacement: 0.07 ft
3
0.07 ft
3
0.07 ft
3
1.98 litres 1.98 litres 1.98 litres
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