Alpine RS-W10D4 (R-Series shallow)
10″ subwoofer · dual 4 Ω · 600 W RMS
Fs 31 HzQts 1.29Vas 0.82 ft³Xmax 0.79″
The published specs don’t add up:
- The spec sheet's Qts 1.19 doesn't match its Qes and Qms (they give 1.29).
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 volume | 1.34 ft³ (38 L) |
|---|---|
| Qtc | 1.63 |
| Fc | 39 Hz |
| F3 (−3 dB, no cabin gain) | 28 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 7 1/16″ |
Ported
| Net volume | 2.30 ft³ (65 L) |
|---|---|
| Tuning (Fb) | 31 Hz |
| Port | slot 1 3/4 × 14 5/16″, 26 5/8″ long |
| Port velocity at 600 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 24 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 15/16″ |
Thiele/Small parameters
| Fs | 31 Hz |
|---|---|
| Qts | 1.29 |
| Qes | 1.66 |
| Qms | 5.72 |
| Vas | 0.82 ft³ |
| Re (one coil) | 3.6 Ω |
| Sd | 58.9 in² |
| Xmax | 0.79″ |
| Vd | 46.4 in³ calc. |
| Mms | 231 g calc. |
| BL | 9.9 T·m calc. |
| EBP | 19 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 78.2 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 600 W |
Mounting dimensions
| Cutout diameter | 9 9/16″ |
|---|---|
| Mounting depth | 3 1/4″ |
| Overall diameter | 11 1/2″ |
“≈” 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
- Alpine R-W10D2 10″ · dual 2 Ω
- Alpine R-W10D4 10″ · dual 4 Ω
- Alpine R2-W10D2 10″ · dual 2 Ω
- Alpine R2-W10D4 10″ · dual 4 Ω
- Alpine RS-W10D2 (R-Series shallow) 10″ · dual 2 Ω
- Alpine S-W10D2 10″ · dual 2 Ω
- Alpine S-W10D4 10″ · dual 4 Ω
- Alpine S2-W10D2 10″ · dual 2 Ω
- Alpine S2-W10D4 10″ · dual 4 Ω
- Alpine SWA-10S4 (Atom) 10″ · 4 Ω
- Alpine SWE-1044E (Type-E) 10″ · 4 Ω
- Alpine SWG-1044 (Type-G) 10″ · 4 Ω