Rockford Fosgate Punch P3SD210 (Shallow, 2007)

10″ subwoofer · dual 2 Ω · 300 W RMS

Fs 44 HzQts 0.66Vas 0.37 ft³Xmax 0.43″

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 volume0.74 ft³ (21 L)
Qtc0.80
Fc54 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 13 3/8″
Open sealed box in designer

Ported

Net volume1.66 ft³ (47 L)
Tuning (Fb)30 Hz
Portslot 1 9/16 × 14 5/16″, 36 7/16″ long
Port velocity at 300 W54 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs44 Hz
Qts0.66
Qes0.77
Qms4.5
Vas0.37 ft³
Re (one coil)1.7 Ω
Sd48.1 in²
Xmax0.43″
Vd20.4 in³ calc.
Mms171 g calc.
BL10.2 T·m calc.
EBP57 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.6 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power300 W

Mounting dimensions

Ø≈ 10 3/16″cutout Ø9″mounting depth 3 1/2″magnet Ø≈ 5 7/8″
Cutout diameter9″
Mounting depth3 1/2″

“≈” 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 Rockford Fosgate 10″ models