Audison Voce II AV 12 D4 II (DVC 4+4 ohm)

12″ subwoofer · dual 4 Ω · 550 W RMS

Fs 23 HzQts 0.46Vas 2.22 ft³Xmax 0.66″

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

Net volume1.13 ft³ (32 L)
Qtc0.80
Fc40 Hz
F3 (−3 dB, no cabin gain)38 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 6 3/8″
Open sealed box in designer

Ported

Net volume3.25 ft³ (92 L)
Tuning (Fb)25 Hz
Portslot 2 3/16 × 14 5/16″, 36 1/4″ long
Port velocity at 550 W64 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 18 3/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs23 Hz
Qts0.46
Qes0.5
Qms6.2
Vas2.22 ft³
Re (one coil)3.6 Ω
Sd83.5 in²
Xmax0.66″
Vd55.3 in³ calc.
Mms313 g calc.
BL18 T·m calc.
EBP46 — suits sealed calc.
Sensitivity, 1 W / 1 m83.9 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power550 W

Mounting dimensions

Ø12 1/2″cutout Ø11 3/16″mounting depth 3 7/16″magnet Ø6 1/8″
Cutout diameter11 3/16″
Mounting depth3 7/16″
Overall diameter12 1/2″
Magnet diameter6 1/8″

“≈” 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