Cerwin-Vega Mobile Stroker PRO 12 (12" DVC 2ohm)

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

Fs 27 HzQts 0.62Vas 1.80 ft³Xmax 1.57″

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 volume1.73 ft³ (49 L)
Qtc0.89
Fc39 Hz
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 20 15/16″
Open sealed box in designer

Ported

Net volume2.93 ft³ (83 L)
Tuning (Fb)27 Hz
Portslot 3 3/4 × 14 5/16″, 61″ long
Port velocity at 2,500 W73 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 22 5/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27 Hz
Qts0.62
Qes0.67
Qms8.87
Vas1.80 ft³
Re (one coil)1.75 Ω
Sd≈ 76 in²
Xmax1.57″
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m83.8 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power2,500 W

Mounting dimensions

Ø≈ 12 5/16″cutout ≈ Ø11 1/8″mounting depth 8″magnet Ø≈ 7 3/16″
Cutout diameter≈ 11 1/8″
Mounting depth8″

“≈” 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 12″ models