Audison Voce AV 12 (1st gen, SVC 4 ohm)
12″ subwoofer · 4 Ω · 500 W RMS
Fs 32 HzQts 0.52Vas 2.90 ft³Xmax 0.59″
Recommended box
For a sedan, one sub, 500 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 | 1.87 ft³ (53 L) |
|---|---|
| Qtc | 0.83 |
| Fc | 51 Hz |
| F3 (−3 dB, no cabin gain) | 47 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 9 3/8″ |
Ported
| Net volume | 3.18 ft³ (90 L) |
|---|---|
| Tuning (Fb) | 35 Hz |
| Port | slot 2 3/16 × 14 5/16″, 16 11/16″ long |
| Port velocity at 500 W | 61 ft/s |
| F3 (−3 dB, no cabin gain) | 32 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 16 1/16″ |
Thiele/Small parameters
| Fs | 32 Hz |
|---|---|
| Qts | 0.52 |
| Qes | 0.63 |
| Qms | 3.06 |
| Vas | 2.90 ft³ |
| Re | 3.7 Ω |
| Sd | 82.1 in² |
| Xmax | 0.59″ |
| Vd | 48.5 in³ calc. |
| Mms | 120 g calc. |
| BL | 11.9 T·m calc. |
| EBP | 51 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 88.3 dB calc. |
General
| Size | 12″ |
|---|---|
| Voice coils | 4 Ω |
| RMS power | 500 W |
Mounting dimensions
| Cutout diameter | ≈ 11 1/8″ |
|---|---|
| Mounting depth | ≈ 5 7/8″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 82.1 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.
Data sources
Other Audison 12″ models
- Audison Voce II AV 12 D2 II (DVC 2+2 ohm) 12″ · dual 2 Ω
- Audison Voce II AV 12 D4 II (DVC 4+4 ohm) 12″ · dual 4 Ω