Alpine S2-W10D4

10″ subwoofer · dual 4 Ω · 600 W RMS

Fs 32 HzQts 0.41Vas 0.88 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)
Qtc0.70
Fc55 Hz
F3 (−3 dB, no cabin gain)59 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 3/16″
Open sealed box in designer

Ported

Net volume0.99 ft³ (28 L)
Tuning (Fb)33 Hz
Port2 round ports Ø2 1/2″, 22 15/16″ long
Port velocity at 600 W128 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)27 9/16″ × 15 3/4″ × 7 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32 Hz
Qts0.41
Qes0.44
Qms5.6
Vas0.88 ft³
Re (one coil)3.6 Ω
Sd51.2 in²
Xmax0.59″
Vd30.2 in³ calc.
Mms153 g calc.
BL15.9 T·m calc.
EBP73 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.7 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power600 W

Mounting dimensions

Ø10 3/4″cutout Ø8 15/16″mounting depth 4 1/2″magnet Ø≈ 5 13/16″
Cutout diameter8 15/16″
Mounting depth4 1/2″
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 Alpine 10″ models