DL Audio Raven 18 (2+2)
18″ subwoofer · dual 2 Ω · 800 W RMS
Fs 32 HzQts 1.13Vas 4.75 ft³
Recommended box
For a sedan, one sub, 800 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 | 4.13 ft³ (117 L) |
|---|---|
| Qtc | 1.65 |
| Fc | 47 Hz |
| F3 (−3 dB, no cabin gain) | 33 Hz |
| Example box (outside) | 31 1/2″ × 20 1/2″ × 14 3/4″ |
Ported
| Net volume | 6.99 ft³ (198 L) |
|---|---|
| Tuning (Fb) | 38 Hz |
| Port | slot 2 3/4 × 19 1/16″, 7 15/16″ long |
| Port velocity at 800 W | 65 ft/s |
| F3 (−3 dB, no cabin gain) | 30 Hz |
| Example box (outside) | 31 1/2″ × 20 1/2″ × 24 3/16″ |
Thiele/Small parameters
| Fs | 32 Hz |
|---|---|
| Qts | 1.13 |
| Qes | 1.385 |
| Qms | 6 |
| Vas | 4.75 ft³ |
| Re (one coil) | ≈ 1.7 Ω |
| Sd | ≈ 180.6 in² |
| Xmax | ≈ 0.39″ |
| EBP | 23 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 87 dB calc. |
General
| Size | 18″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 800 W |
Mounting dimensions
| Cutout diameter | 16 11/16″ |
|---|---|
| Mounting depth | 8 7/16″ |
| Overall diameter | 18 7/16″ |
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 18″ models
- DL Audio Phoenix Bass Machine 18 (2+2) 18″ · dual 2 Ω
- DL Audio Phoenix Black Bass 18 (2+2) 18″ · dual 2 Ω