Skar Audio VD-12 D2

12″ subwoofer · dual 2 Ω · 500 W RMS

Fs 35.3 HzQts 0.54Vas 1.54 ft³Xmax 0.43″

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 volume1.31 ft³ (37 L)
Qtc0.80
Fc52 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)14 9/16″ × 14 9/16″ × 15 9/16″
Open sealed box in designer

Ported

Net volume2.93 ft³ (83 L)
Tuning (Fb)32 Hz
Portslot 2 3/16 × 14 5/16″, 23 1/16″ long
Port velocity at 500 W63 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 11/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35.3 Hz
Qts0.54
Qes0.62
Qms4.42
Vas1.54 ft³
Re (one coil)≈ 1.7 Ω
Sd≈ 76 in²
Xmax0.43″
EBP57 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.9 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power500 W

Mounting dimensions

Ø12 5/8″cutout Ø11 5/16″mounting depth 4 15/16″magnet Ø6″
Cutout diameter11 5/16″
Mounting depth4 15/16″
Overall diameter12 5/8″
Magnet diameter6″

“≈” 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 Skar Audio 12″ models