Kicx Gorilla Bass GB15M

15″ subwoofer · 2 Ω · 2,000 W RMS

Fs 54 HzQts 0.40Vas 2.61 ft³
The published specs don’t add up:

Recommended box

For a sedan, one sub, 2,000 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 volume1.34 ft³ (38 L)
Qtc0.69
Fc93 Hz
F3 (−3 dB, no cabin gain)101 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 12 5/16″
Open sealed box in designer

Ported

Net volume2.83 ft³ (80 L)
Tuning (Fb)50 Hz
Portslot 4 1/2 × 16 5/16″, 20 13/16″ long
Port velocity at 2,000 W63 ft/s
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 15 3/8″
Open ported box in designer
2030405060801001502007278849096102HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs54 Hz
Qts0.40
Qes0.44
Qms4.4
Vas2.61 ft³
Re1.6 Ω
Sd146 in²
Xmax≈ 0.39″
Mms148 g calc.
BL13.5 T·m calc.
EBP123 — suits ported calc.
Sensitivity, 1 W / 1 m96.2 dB calc.

General

Size15″
Voice coils2 Ω
RMS power2,000 W

Mounting dimensions

Ø≈ 15 1/16″cutout Ø13 7/8″mounting depth 8 1/8″magnet Ø≈ 9″
Cutout diameter13 7/8″
Mounting depth8 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 Kicx 15″ models