Cadence CM10D2
10″ subwoofer · dual 2 Ω · 250 W RMS
Fs 31.7 HzQts 0.36Vas 1.58 ft³Xmax 0.32″
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 | 0.49 ft³ (14 L) |
|---|---|
| Qtc | 0.73 |
| Fc | 65 Hz |
| F3 (−3 dB, no cabin gain) | 67 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 9 11/16″ |
Ported
| Net volume | 1.24 ft³ (35 L) |
|---|---|
| Tuning (Fb) | 37 Hz |
| Port | slot 1 9/16 × 14 5/16″, 31 3/4″ long |
| Port velocity at 250 W | 42 ft/s |
| F3 (−3 dB, no cabin gain) | 36 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 8 15/16″ |
Thiele/Small parameters
| Fs | 31.7 Hz |
|---|---|
| Qts | 0.36 |
| Qes | 0.378 |
| Qms | 6 |
| Vas | 1.58 ft³ |
| Re (one coil) | ≈ 1.7 Ω |
| Sd | ≈ 52.7 in² |
| Xmax | 0.32″ |
| EBP | 84 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 87.8 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 250 W |
Mounting dimensions
| Cutout diameter | ≈ 9 1/8″ |
|---|---|
| Mounting depth | 4 7/8″ |
Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).
“≈” 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 Cadence 10″ models
- Cadence S1W10D2.v2 10″ · dual 2 Ω
- Cadence S2W10D2 10″ · dual 2 Ω