Kicker Comp 15" 8-Ohm SVC (C158)

15″ subwoofer · 8 Ω

Fs 18.7 HzQts 0.45Vas 10.65 ft³Xmax 0.51″

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 volume3.04 ft³ (86 L)
Qtc0.95
Fc40 Hz
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 12 3/4″
Open sealed box in designer

Ported

Net volume5.16 ft³ (146 L)
Tuning (Fb)28 Hz
Portslot 1 9/16 × 16 5/16″, 12 13/16″ long
Port velocity at 300 W64 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 21 1/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs18.7 Hz
Qts0.45
Qes0.462
Qms12.75
Vas10.65 ft³
Re6.75 Ω
Sd132.7 in²
Xmax0.51″
Vd67.9 in³ calc.
Mms249 g calc.
BL20.7 T·m calc.
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m88.3 dB calc.

General

Size15″
Voice coils8 Ω
RMS power—

Mounting dimensions

Ø≈ 14 7/8″cutout Ø13 11/16″mounting depth 7 1/8″magnet Ø≈ 8 7/8″
Cutout diameter13 11/16″
Mounting depth7 1/8″

“≈” 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 15″ models