JL Audio 13W6v2-D4

13.5″ subwoofer · dual 4 Ω · 750 W RMS

Fs 24.3 HzQts 0.43Vas 3.94 ft³Xmax 0.85″

Recommended box

For a sedan, one sub, 750 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 volume1.66 ft³ (47 L)
Qtc0.80
Fc45 Hz
F3 (−3 dB, no cabin gain)43 Hz
Example box (outside)15 3/4″ × 15 3/4″ × 16 1/4″
Open sealed box in designer

Ported

Net volume3.88 ft³ (110 L)
Tuning (Fb)28 Hz
Portslot 2 3/4 × 15 1/8″, 31 1/4″ long
Port velocity at 750 W61 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 16 9/16″ × 20″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs24.3 Hz
Qts0.43
Qes0.464
Qms6.7
Vas3.94 ft³
Re (one coil)3.25 Ω
Sd100.4 in²
Xmax0.85″
Vd85.4 in³ calc.
Mms229 g calc.
BL15.6 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.4 dB calc.

General

Size13.5″
Voice coilsdual 4 Ω
RMS power750 W

Mounting dimensions

Ø≈ 13 11/16″cutout Ø12 1/2″mounting depth 9 3/16″magnet Ø≈ 8 1/8″
Cutout diameter12 1/2″
Mounting depth9 3/16″

“≈” 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 13.5″ models