Cerwin-Vega Mobile SPRO152D (Stroker Pro 15" DVC 2ohm)

15″ subwoofer · dual 2 Ω · 2,500 W RMS

Fs 22 HzQts 0.27Vas 4.16 ft³Xmax 1.30″

Recommended box

For a sedan, one sub, 2,500 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 volume1.68 ft³ (47.5 L)
Qtc0.51
Fc41 Hz
F3 (−3 dB, no cabin gain)64 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 14 1/16″
Open sealed box in designer

Ported

Net volume2.40 ft³ (68 L)
Tuning (Fb)28 Hz
Portround port Ø3″, 7 13/16″ long
Port velocity at 2,500 W511 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)22 5/8″ × 18 1/8″ × 14 3/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs22 Hz
Qts0.27
Qes0.31
Qms2.3
Vas4.16 ft³
Re (one coil)1.43 Ω
Sd125.6 in²
Xmax1.30″
Vd163.1 in³ calc.
Mms413 g calc.
BL16.2 T·m calc.
EBP71 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.1 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power2,500 W

Mounting dimensions

Ø15 3/8″cutout Ø14 1/16″mounting depth 11 5/8″magnet Ø≈ 9 1/8″
Cutout diameter14 1/16″
Mounting depth11 5/8″
Overall diameter15 3/8″

“≈” 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