SoundQubed HDS3.210 D4
10″ subwoofer · dual 4 Ω · 1,200 W RMS
Fs 33.9 HzQts 0.33Vas 0.47 ft³Xmax 1.02″
The published specs don’t add up:
- The published Xmax 1.02″ looks like max (mechanical) excursion, not linear: the excursion-limited power will read too high.
Recommended box
For a sedan, one sub, 1,200 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 | 0.51 ft³ (14.5 L) |
|---|---|
| Qtc | 0.46 |
| Fc | 47 Hz |
| F3 (−3 dB, no cabin gain) | 83 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 9 3/8″ |
Ported
| Net volume | 0.95 ft³ (27 L) |
|---|---|
| Tuning (Fb) | 27 Hz |
| Port | round port Ø2 1/2″, 17 5/16″ long |
| Port velocity at 1,200 W | 353 ft/s |
| F3 (−3 dB, no cabin gain) | 61 Hz |
| Example box (outside) | 18 5/16″ × 15 3/4″ × 9 1/4″ |
Thiele/Small parameters
| Fs | 33.9 Hz |
|---|---|
| Qts | 0.33 |
| Qes | 0.359 |
| Qms | 4.75 |
| Vas | 0.47 ft³ |
| Re (one coil) | ≈ 3.4 Ω |
| Sd | 50 in² |
| Xmax | 1.02″ |
| Vd | 51.2 in³ calc. |
| Mms | 247 g calc. |
| BL | 22.3 T·m calc. |
| EBP | 94 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 83.5 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 1,200 W |
Mounting dimensions
| Cutout diameter | 9 3/8″ |
|---|---|
| Mounting depth | 6 3/4″ |
| Overall diameter | 10 3/4″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 50.1 in².
“≈” 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 SoundQubed 10″ models
- SoundQubed HDS2.210 D2 10″ · dual 2 Ω
- SoundQubed HDS2.210 D4 10″ · dual 4 Ω
- SoundQubed HDS3.210 D2 10″ · dual 2 Ω
- SoundQubed HDX310 D1 10″ · dual 1 Ω
- SoundQubed HDX310 D2 10″ · dual 2 Ω