PowerBass S-1004

10″ subwoofer · 4 Ω · 275 W RMS

Fs 33.5 HzQts 0.40Vas 1.55 ft³Xmax 0.35″

Recommended box

For a sedan, one sub, 275 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 volume0.49 ft³ (14 L)
Qtc0.81
Fc68 Hz
F3 (−3 dB, no cabin gain)65 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.62 ft³ (46 L)
Tuning (Fb)35 Hz
Portslot 1 9/16 × 14 5/16″, 26 3/8″ long
Port velocity at 275 W50 ft/s
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33.5 Hz
Qts0.40
Qes0.43
Qms5.12
Vas1.55 ft³
Re3.2 Ω
Sd51.2 in²
Xmax0.35″
Vd18.1 in³ calc.
Mms80 g calc.
BL11.2 T·m calc.
EBP78 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.8 dB calc.

General

Size10″
Voice coils4 Ω
RMS power275 W

Mounting dimensions

Ø≈ 10 1/4″cutout Ø9 1/16″mounting depth 5 1/4″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth5 1/4″

“≈” 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 PowerBass 10″ models