Kicker CompC 12" 4-Ohm SVC (50CWCS124)

12″ subwoofer · 4 Ω · 300 W RMS

Fs 31.3 HzQts 0.72Vas 2.79 ft³Xmax 0.52″

Recommended box

For a sedan, one sub, 300 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 volume1.87 ft³ (53 L)
Qtc1.14
Fc49 Hz
F3 (−3 dB, no cabin gain)38 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 3/8″
Open sealed box in designer

Ported

Net volume3.18 ft³ (90 L)
Tuning (Fb)37 Hz
Portslot 1 3/4 × 14 5/16″, 11 7/16″ long
Port velocity at 300 W59 ft/s
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 7/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs31.3 Hz
Qts0.72
Qes0.788
Qms9.02
Vas2.79 ft³
Re3.73 Ω
Sd82.3 in²
Xmax0.52″
Vd43.1 in³ calc.
Mms131 g calc.
BL11 T·m calc.
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m86.9 dB calc.

General

Size12″
Voice coils4 Ω
RMS power300 W

Mounting dimensions

Ø12 5/8″cutout Ø11″mounting depth 5 3/4″magnet Ø5 5/8″
Cutout diameter11″
Mounting depth5 3/4″
Overall diameter12 5/8″
Magnet diameter5 5/8″

“≈” 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 Kicker 12″ models