DL Audio Phoenix Bass Machine 15 (2+2)
15″ subwoofer · dual 2 Ω · 1,700 W RMS
Fs 26.1 HzQts 0.62Vas 2.20 ft³
Recommended box
For a sedan, one sub, 1,700 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 | 2.83 ft³ (80 L) |
|---|---|
| Qtc | 0.83 |
| Fc | 35 Hz |
| F3 (−3 dB, no cabin gain) | 32 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 12″ |
Ported
| Net volume | 4.80 ft³ (136 L) |
|---|---|
| Tuning (Fb) | 25 Hz |
| Port | slot 4 1/8 × 16 5/16″, 53 1/4″ long |
| Port velocity at 1,700 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 21 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 27 3/16″ |
Thiele/Small parameters
| Fs | 26.1 Hz |
|---|---|
| Qts | 0.62 |
| Qes | 0.691 |
| Qms | 6 |
| Vas | 2.20 ft³ |
| Re (one coil) | ≈ 1.7 Ω |
| Sd | ≈ 124 in² |
| Xmax | ≈ 0.39″ |
| EBP | 38 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 84 dB calc. |
General
| Size | 15″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 1,700 W |
Mounting dimensions
| Cutout diameter | 13 3/4″ |
|---|---|
| Mounting depth | 8 1/8″ |
| Overall diameter | 15 5/8″ |
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 DL Audio 15″ models
- DL Audio Gryphon Lite 15 V.3 (2+2) 15″ · dual 2 Ω
- DL Audio Gryphon Lite 15 V.3 SE (2+2) 15″ · dual 2 Ω
- DL Audio Gryphon Pro 15 V.2 (2+2) 15″ · dual 2 Ω
- DL Audio Gryphon Pro 15 V.3 (2+2) 15″ · dual 2 Ω
- DL Audio Gryphon Pro 15 V.3 SE (2+2) 15″ · dual 2 Ω
- DL Audio Legend 15 (1+1) 15″ · dual 1 Ω
- DL Audio Phoenix 15 (2+2) 15″ · dual 2 Ω
- DL Audio Phoenix Black Bass 15 (2+2) 15″ · dual 2 Ω
- DL Audio Phoenix Sport 15 (1+1) 15″ · dual 1 Ω
- DL Audio Raven 15 (2+2) 15″ · dual 2 Ω