Crossfire C3 10Dv2

10″ subwoofer · dual 4 Ω · 250 W RMS

Fs 42 HzQts 0.76Vas 0.30 ft³Xmax 0.43″

Recommended box

For a sedan, one sub, 250 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 volume0.60 ft³ (17 L)
Qtc0.92
Fc51 Hz
F3 (−3 dB, no cabin gain)43 Hz
Example box (outside)13″ × 13″ × 10″
Open sealed box in designer

Ported

Net volume2.01 ft³ (57 L)
Tuning (Fb)26 Hz
Portslot 1 9/16 × 14 5/16″, 40 7/16″ long
Port velocity at 250 W53 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 5/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42 Hz
Qts0.76
Qes0.82
Qms9.55
Vas0.30 ft³
Re (one coil)3.2 Ω
Sd54.7 in²
Xmax0.43″
Vd23.7 in³ calc.
Mms298 g calc.
BL17.5 T·m calc.
EBP51 — sealed or ported calc.
Sensitivity, 1 W / 1 m80.9 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power250 W

Mounting dimensions

Ø10 13/16″cutout ≈ Ø9 3/4″mounting depth 4 3/4″magnet Ø≈ 6 3/8″
Cutout diameter≈ 9 3/4″
Mounting depth4 3/4″
Overall diameter10 13/16″

“≈” 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 Crossfire 10″ models