Magnum MXW 15-22DC
15″ subwoofer · dual 2 Ω · 2,500 W RMS
Fs 29 HzQts 0.42Vas 2.12 ft³
Recommended box
For a sedan, one sub, 2,500 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 | 1.13 ft³ (32 L) |
|---|---|
| Qtc | 0.71 |
| Fc | 49 Hz |
| F3 (−3 dB, no cabin gain) | 52 Hz |
| Example box (outside) | 16 15/16″ × 16 15/16″ × 10 13/16″ |
Ported
| Net volume | 2.65 ft³ (75 L) |
|---|---|
| Tuning (Fb) | 30 Hz |
| Port | slot 3 1/8 × 16 5/16″, 51 5/8″ long |
| Port velocity at 2,500 W | 80 ft/s |
| F3 (−3 dB, no cabin gain) | 28 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 17 3/4″ |
Thiele/Small parameters
| Fs | 29 Hz |
|---|---|
| Qts | 0.42 |
| Qes | 0.452 |
| Qms | 6 |
| Vas | 2.12 ft³ |
| Re (one coil) | ≈ 1.7 Ω |
| Sd | ≈ 124 in² |
| Xmax | ≈ 0.39″ |
| EBP | 64 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 87.1 dB calc. |
General
| Size | 15″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 2,500 W |
Mounting dimensions
| Cutout diameter | 13 7/8″ |
|---|---|
| Mounting depth | 7 13/16″ |
| Overall diameter | 15 3/8″ |
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
- magnummobile.ru/product/magnum-mxw-15-22dc
- magnummobile.ru/sites/default/files/docs/instrukciya_k_sabvuferu_magnum_mxw_15-2
Other Magnum 15″ models
- Magnum MBW 15-22DC 15″ · dual 2 Ω
- Magnum MBW 15-22SF 15″ · dual 2 Ω
- Magnum MBW 15-24SF 15″ · dual 4 Ω
- Magnum MEW 15-22DC 15″ · dual 2 Ω
- Magnum MPW 15-4DC 15″ · 4 Ω