Kicker CompC 8" 4-Ohm SVC (50CWCS84)

8″ subwoofer · 4 Ω · 200 W RMS

Fs 42.8 HzQts 0.73Vas 0.47 ft³Xmax 0.44″

Recommended box

For a sedan, one sub, 200 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 volume0.71 ft³ (20 L)
Qtc0.94
Fc55 Hz
F3 (−3 dB, no cabin gain)46 Hz
Example box (outside)10 1/4″ × 10 1/4″ × 17 7/8″
Open sealed box in designer

Ported

Net volume1.20 ft³ (34 L)
Tuning (Fb)36 Hz
Portslot 1 9/16 × 14 5/16″, 34 7/8″ long
Port velocity at 200 W39 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 8 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42.8 Hz
Qts0.73
Qes0.783
Qms10.3
Vas0.47 ft³
Re3.94 Ω
Sd31.2 in²
Xmax0.44″
Vd13.6 in³ calc.
Mms59 g calc.
BL9 T·m calc.
EBP55 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.3 dB calc.

General

Size8″
Voice coils4 Ω
RMS power200 W

Mounting dimensions

Ø8 9/16″cutout Ø6 15/16″mounting depth 4 1/8″magnet Ø4 11/16″
Cutout diameter6 15/16″
Mounting depth4 1/8″
Overall diameter8 9/16″
Magnet diameter4 11/16″

“≈” 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 Kicker 8″ models