Audison Voce II AV 12 D2 II (DVC 2+2 ohm)
12″ subwoofer · dual 2 Ω · 550 W RMS
23 HzFs, resonance
0.47Qts
2.22 ft³Vas
0.66″Xmax
550 WRMS
Recommended box
For a sedan, one sub, 550 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
smaller, tighter1.13 ft³ (32 L)
Net volume
| Qtc | 0.80 |
|---|---|
| Fc | 40 Hz |
| F3 (−3 dB, no cabin gain) | 38 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 14 9/16″ |
Ported
deeper, louder3.32 ft³ (94 L)
Net volume
| Tuning (Fb) | 25 Hz |
|---|---|
| Port | slot 2 3/16 × 14 5/16″, 35 3/8″ long |
| Port velocity at 550 W | 65 ft/s |
| F3 (−3 dB, no cabin gain) | 22 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 18 3/8″ |
Thiele/Small parameters
| Fs | 23 Hz |
|---|---|
| Qts | 0.47 |
| Qes | 0.5 |
| Qms | 6.7 |
| Vas | 2.22 ft³ |
| Re (one coil) | 1.65 Ω |
| Sd | 85.3 in² |
| Xmax | 0.66″ |
| Vd | 56.4 in³ calc. |
| Mms | 326 g calc. |
| BL | 12.5 T·m calc. |
| EBP | 46 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 83.9 dB calc. |
General
| Size | 12″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 550 W |
Mounting dimensions
| Cutout diameter | 11 3/16″ |
|---|---|
| Mounting depth | ≈ 5 7/8″ |
| Overall diameter | 12 1/2″ |
| Magnet diameter | 6 1/8″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 85.3 in².
Judging by its value, the published Re is for both coils in series — converted to per coil.
“≈” 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 Audison 12″ models
- Audison Voce AV 12 (1st gen, SVC 4 ohm) 12″ · 4 Ω
- Audison Voce II AV 12 D4 II (DVC 4+4 ohm) 12″ · dual 4 Ω