AMP MASS 1000 15D2 V.2
15″ subwoofer · dual 2 Ω · 1,000 W RMS
Fs 33 HzQts 0.46Vas 3.04 ft³Xmax 0.59″
The published specs don’t add up:
- Sd of 149.1 in² is unusual for a 15″ (typically 102.3–145.7 in²).
Recommended box
For a sedan, one sub, 1,000 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 | 1.48 ft³ (42 L) |
|---|---|
| Qtc | 0.80 |
| Fc | 58 Hz |
| F3 (−3 dB, no cabin gain) | 55 Hz |
| Example box (outside) | 16 15/16″ × 16 15/16″ × 13 5/16″ |
Ported
| Net volume | 4.84 ft³ (137 L) |
|---|---|
| Tuning (Fb) | 31 Hz |
| Port | slot 3 9/16 × 16 5/16″, 26 15/16″ long |
| Port velocity at 1,000 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 29 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 22 11/16″ |
Thiele/Small parameters
| Fs | 33 Hz |
|---|---|
| Qts | 0.46 |
| Qes | 0.492 |
| Qms | 6.54 |
| Vas | 3.04 ft³ |
| Re (one coil) | 2.12 Ω |
| Sd | 149.1 in² |
| Xmax | 0.59″ |
| Vd | 88.1 in³ calc. |
| Mms | 354 g calc. |
| BL | 17.8 T·m calc. |
| EBP | 67 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 90 dB calc. |
General
| Size | 15″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 1,000 W |
Mounting dimensions
| Cutout diameter | 13 15/16″ |
|---|---|
| Mounting depth | 7 7/16″ |
| Overall diameter | 15 1/2″ |
| Magnet diameter | 7 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 AMP 15″ models
- AMP MASS 800 15D2 V.2 15″ · dual 2 Ω