Cerwin-Vega Mobile V154DV2 (Vega 15" DVC 4ohm)

15″ subwoofer · dual 4 Ω · 550 W RMS

Fs 22.1 HzQts 0.69Vas 5.89 ft³Xmax 0.71″

Recommended box

For a sedan, one sub, 550 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 volume2.83 ft³ (80 L)
Qtc1.21
Fc39 Hz
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 12″
Open sealed box in designer

Ported

Net volume4.80 ft³ (136 L)
Tuning (Fb)30 Hz
Portslot 2 3/16 × 16 5/16″, 16 15/16″ long
Port velocity at 550 W62 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 20 1/2″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs22.1 Hz
Qts0.69
Qes0.74
Qms9.5
Vas5.89 ft³
Re (one coil)4 Ω
Sd124 in²
Xmax0.71″
Vd88.4 in³ calc.
Mms282 g calc.
BL14.5 T·m calc.
EBP30 — suits sealed calc.
Sensitivity, 1 W / 1 m85.9 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power550 W

Mounting dimensions

Ø15 13/16″cutout Ø13 5/8″mounting depth 7 5/16″magnet Ø≈ 8 7/8″
Cutout diameter13 5/8″
Mounting depth7 5/16″
Overall diameter15 13/16″

“≈” 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 Cerwin-Vega Mobile 15″ models