Kenwood KFC-XW1000F

10″ subwoofer · 4 Ω · 250 W RMS

Fs 38.6 HzQts 0.72Vas 0.74 ft³Xmax 0.30″

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 volume1.20 ft³ (34 L)
Qtc0.92
Fc49 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 6 1/2″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)32 Hz
Portslot 1 9/16 × 14 5/16″, 24 13/16″ long
Port velocity at 250 W52 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 11/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs38.6 Hz
Qts0.72
Qes0.84
Qms5.28
Vas0.74 ft³
Re3 Ω
Sd52.7 in²
Xmax0.30″
Vd15.6 in³ calc.
Mms132 g calc.
BL10.7 T·m calc.
EBP46 — suits sealed calc.
Sensitivity, 1 W / 1 m83.6 dB calc.

General

Size10″
Voice coils4 Ω
RMS power250 W

Mounting dimensions

Ø≈ 10 7/16″cutout Ø9 1/4″mounting depth 3 3/8″magnet Ø≈ 6″
Cutout diameter9 1/4″
Mounting depth3 3/8″

“≈” 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 Kenwood 10″ models