Power Acoustik MOFO-102X

10″ subwoofer · dual 2 Ω · 1,200 W RMS

Fs 26.7 HzQts 0.31Vas 0.91 ft³Xmax 0.59″

Recommended box

For a sedan, one sub, 1,200 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 volume0.49 ft³ (14 L)
Qtc0.52
Fc45 Hz
F3 (−3 dB, no cabin gain)69 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.02 ft³ (29 L)
Tuning (Fb)27 Hz
Portround port Ø2 1/2″, 16″ long
Port velocity at 1,200 W347 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)20 13/16″ × 15 3/4″ × 8 11/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs26.7 Hz
Qts0.31
Qes0.33
Qms4.45
Vas0.91 ft³
Re (one coil)1.92 Ω
Sd≈ 52.7 in²
Xmax0.59″
EBP81 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.7 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power1,200 W

Mounting dimensions

Ø10 3/4″cutout Ø9″mounting depth 6 1/8″magnet Ø≈ 5 7/8″
Cutout diameter9″
Mounting depth6 1/8″
Overall diameter10 3/4″

“≈” 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 Power Acoustik 10″ models