DB Drive WDX12G5.2
12″ subwoofer · dual 2 Ω · 3,000 W RMS
Fs 39 HzQts 0.53Vas 0.74 ft³Xmax 0.98″
Recommended box
For a sedan, one sub, 3,000 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 | 0.76 ft³ (21.5 L) |
|---|---|
| Qtc | 0.74 |
| Fc | 55 Hz |
| F3 (−3 dB, no cabin gain) | 55 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 10 5/8″ |
Ported
| Net volume | 1.80 ft³ (51 L) |
|---|---|
| Tuning (Fb) | 32 Hz |
| Port | slot 2 9/16 × 14 5/16″, 48 1/8″ long |
| Port velocity at 3,000 W | 107 ft/s |
| F3 (−3 dB, no cabin gain) | 29 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 14 1/16″ |
Thiele/Small parameters
| Fs | 39 Hz |
|---|---|
| Qts | 0.53 |
| Qes | 0.606 |
| Qms | 4.17 |
| Vas | 0.74 ft³ |
| Re (one coil) | 2 Ω |
| Sd | 82.4 in² |
| Xmax | 0.98″ |
| Vd | 81.1 in³ calc. |
| Mms | 317 g calc. |
| BL | 16 T·m calc. |
| EBP | 64 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 85.1 dB calc. |
General
| Size | 12″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 3,000 W |
Mounting dimensions
| Cutout diameter | 11 3/16″ |
|---|---|
| Mounting depth | 8 1/16″ |
| Overall diameter | 12 15/16″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 82.4 in².
“≈” 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.