DL Audio Barracuda 8 Flat (2+2)
8″ subwoofer · dual 2 Ω · 200 W RMS
Fs 39.6 HzQts 0.63Vas 0.32 ft³
Recommended box
For a sedan, one sub, 200 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 | 0.53 ft³ (15 L) |
|---|---|
| Qtc | 0.80 |
| Fc | 50 Hz |
| F3 (−3 dB, no cabin gain) | 47 Hz |
| Example box (outside) | 10 1/4″ × 10 1/4″ × 14″ |
Ported
| Net volume | 1.27 ft³ (36 L) |
|---|---|
| Tuning (Fb) | 28 Hz |
| Port | 2 round ports Ø2 1/2″, 24 7/8″ long |
| Port velocity at 200 W | 87 ft/s |
| F3 (−3 dB, no cabin gain) | 24 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 7 7/16″ |
Thiele/Small parameters
| Fs | 39.6 Hz |
|---|---|
| Qts | 0.63 |
| Qes | 0.704 |
| Qms | 6 |
| Vas | 0.32 ft³ |
| Re (one coil) | ≈ 1.7 Ω |
| Sd | ≈ 33.3 in² |
| Xmax | ≈ 0.39″ |
| EBP | 56 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 81 dB calc. |
General
| Size | 8″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 200 W |
Mounting dimensions
| Cutout diameter | 7 1/16″ |
|---|---|
| Mounting depth | 2 13/16″ |
| Overall diameter | 8 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 8″ models
- DL Audio Phoenix 8 (2+2) 8″ · dual 2 Ω