ARC Audio ARC 10D4
10″ subwoofer · dual 4 Ω · 250 W RMS
Fs 23.5 HzQts 0.41Vas 1.71 ft³Xmax 0.59″
The published specs don’t add up:
- Fs, Vas and Sd don't match the moving mass of 108.992 g (they give 138 g) — one of the spec sheet values is probably wrong.
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 volume | 0.60 ft³ (17 L) |
|---|---|
| Qtc | 0.80 |
| Fc | 46 Hz |
| F3 (−3 dB, no cabin gain) | 44 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 10 5/8″ |
Ported
| Net volume | 1.91 ft³ (54 L) |
|---|---|
| Tuning (Fb) | 25 Hz |
| Port | slot 1 9/16 × 14 5/16″, 46 11/16″ long |
| Port velocity at 250 W | 43 ft/s |
| F3 (−3 dB, no cabin gain) | 24 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 11/16″ |
Thiele/Small parameters
| Fs | 23.5 Hz |
|---|---|
| Qts | 0.41 |
| Qes | 0.455 |
| Qms | 3.87 |
| Vas | 1.71 ft³ |
| Re (one coil) | 3.91 Ω |
| Sd | 49.6 in² |
| Xmax | 0.59″ |
| Vd | 29.3 in³ calc. |
| Mms | 138 g calc. |
| BL | 13.2 T·m calc. |
| EBP | 52 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 83.4 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 250 W |
Mounting dimensions
| Cutout diameter | 9 1/4″ |
|---|---|
| Mounting depth | 5 1/2″ |
| Overall diameter | 10 1/4″ |
“≈” 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
- arcaudio.com/_files/ugd/35e752_ab9d122d158f4d51adaa8cdbf712efca.pdf
- arcaudio.com/arc-subwoofers/arc-10-inch-subwoofer
Other ARC Audio 10″ models
- ARC Audio Black 10D2 V2 10″ · dual 2 Ω
- ARC Audio Black 10D4 V2 10″ · dual 4 Ω