Kicker CompVT 12" 4-Ohm SVC (43CVT124)

12″ subwoofer · 4 Ω · 400 W RMS

Fs 36.5 HzQts 0.66Vas 1.71 ft³Xmax 0.51″

Recommended box

For a sedan, one sub, 400 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)
Qtc0.91
Fc50 Hz
F3 (−3 dB, no cabin gain)43 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)34 Hz
Portslot 2 3/16 × 14 5/16″, 18″ long
Port velocity at 400 W61 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 3/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36.5 Hz
Qts0.66
Qes0.708
Qms8.93
Vas1.71 ft³
Re3.86 Ω
Sd82.3 in²
Xmax0.51″
Vd42.1 in³ calc.
Mms157 g calc.
BL14 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.2 dB calc.

General

Size12″
Voice coils4 Ω
RMS power400 W

Mounting dimensions

Ø12 5/8″cutout Ø11 1/16″mounting depth 4 3/8″magnet Ø5 7/8″
Cutout diameter11 1/16″
Mounting depth4 3/8″
Overall diameter12 5/8″
Magnet diameter5 7/8″

“≈” 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