JL Audio 15W0v3-4

15″ subwoofer · 4 Ω · 500 W RMS

Fs 24.4 HzQts 0.48Vas 5.11 ft³Xmax 0.50″

Recommended box

For a sedan, one sub, 500 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 volume2.79 ft³ (79 L)
Qtc0.81
Fc41 Hz
F3 (−3 dB, no cabin gain)39 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 11 7/8″
Open sealed box in designer

Ported

Net volume4.73 ft³ (134 L)
Tuning (Fb)29 Hz
Portslot 2 3/16 × 16 5/16″, 18 13/16″ long
Port velocity at 500 W64 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 20 3/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs24.4 Hz
Qts0.48
Qes0.508
Qms9.47
Vas5.11 ft³
Re3.56 Ω
Sd122.3 in²
Xmax0.50″
Vd61.1 in³ calc.
Mms259 g calc.
BL16.7 T·m calc.
EBP48 — suits sealed calc.
Sensitivity, 1 W / 1 m88.2 dB calc.

General

Size15″
Voice coils4 Ω
RMS power500 W

Mounting dimensions

Ø15 1/2″cutout Ø13 3/4″mounting depth 7 3/16″magnet Ø6 5/16″
Cutout diameter13 3/4″
Mounting depth7 3/16″
Overall diameter15 1/2″
Magnet diameter6 5/16″

“≈” 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 15″ models