JL Audio 12W3v2-D6

12″ subwoofer · dual 6 Ω · 300 W RMS

Fs 24.4 HzQts 0.46Vas 3.65 ft³Xmax 0.47″

Recommended box

For a sedan, one sub, 300 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.

Sealed

Net volume1.84 ft³ (52 L)
Qtc0.80
Fc42 Hz
F3 (−3 dB, no cabin gain)40 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 3/16″
Open sealed box in designer

Ported

Net volume3.14 ft³ (89 L)
Tuning (Fb)29 Hz
Portslot 1 9/16 × 14 5/16″, 18 7/8″ long
Port velocity at 300 W63 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 3/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs24.4 Hz
Qts0.46
Qes0.489
Qms8.48
Vas3.65 ft³
Re (one coil)5.16 Ω
Sd81.5 in²
Xmax0.47″
Vd38.5 in³ calc.
Mms161 g calc.
BL16.1 T·m calc.
EBP50 — suits sealed calc.
Sensitivity, 1 W / 1 m86.9 dB calc.

General

Size12″
Voice coilsdual 6 Ω
RMS power300 W

Mounting dimensions

Ø≈ 12 1/4″cutout Ø11 1/16″mounting depth 6 9/16″magnet Ø≈ 7 3/16″
Cutout diameter11 1/16″
Mounting depth6 9/16″

“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.

Data sources

Other JL Audio 12″ models