Alpine R-W10D4

10″ subwoofer · dual 4 Ω · 750 W RMS

Fs 31 HzQts 0.55Vas 0.71 ft³Xmax 0.79″

Recommended box

For a sedan, one sub, 750 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 volume0.64 ft³ (18 L)
Qtc0.80
Fc45 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 11 13/16″
Open sealed box in designer

Ported

Net volume1.87 ft³ (53 L)
Tuning (Fb)25 Hz
Portslot 1 9/16 × 14 5/16″, 47 5/8″ long
Port velocity at 750 W82 ft/s
F3 (−3 dB, no cabin gain)22 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

Fs31 Hz
Qts0.55
Qes0.59
Qms7.71
Vas0.71 ft³
Re (one coil)3.6 Ω
Sd51.6 in²
Xmax0.79″
Vd40.6 in³ calc.
Mms207 g calc.
BL15.7 T·m calc.
EBP53 — sealed or ported calc.
Sensitivity, 1 W / 1 m82 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power750 W

Mounting dimensions

Ø10 11/16″cutout Ø9 1/8″mounting depth 5 7/8″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth5 7/8″
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