Alpine S-W10D4

10″ subwoofer · dual 4 Ω · 600 W RMS

Fs 34 HzQts 0.45Vas 0.87 ft³Xmax 0.59″

Recommended box

For a sedan, one sub, 600 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 volume0.46 ft³ (13 L)
Qtc0.77
Fc58 Hz
F3 (−3 dB, no cabin gain)56 Hz
Example box (outside)11 13/16″ × 11 13/16″ × 9 3/4″
Open sealed box in designer

Ported

Net volume1.38 ft³ (39 L)
Tuning (Fb)32 Hz
Portslot 1 9/16 × 14 5/16″, 38 7/8″ long
Port velocity at 600 W66 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34 Hz
Qts0.45
Qes0.51
Qms4.21
Vas0.87 ft³
Re (one coil)3.8 Ω
Sd51.2 in²
Xmax0.59″
Vd30.2 in³ calc.
Mms137 g calc.
BL14.8 T·m calc.
EBP67 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.8 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power600 W

Mounting dimensions

Ø10 11/16″cutout Ø8 13/16″mounting depth 4 11/16″magnet Ø≈ 5 3/4″
Cutout diameter8 13/16″
Mounting depth4 11/16″
Overall diameter10 11/16″

“≈” 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 Alpine 10″ models