Skar Audio ZVX-12v2 D2

12″ subwoofer · dual 2 Ω · 1,500 W RMS

Fs 44 HzQts 0.46Vas 0.90 ft³Xmax 1.14″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 1,500 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 volume0.99 ft³ (28 L)
Qtc0.64
Fc61 Hz
F3 (−3 dB, no cabin gain)71 Hz
Example box (outside)14 9/16″ × 14 9/16″ × 12 3/8″
Open sealed box in designer

Ported

Net volume1.52 ft³ (43 L)
Tuning (Fb)40 Hz
Port2 round ports Ø2 1/2″, 9 1/8″ long
Port velocity at 1,500 W286 ft/s
F3 (−3 dB, no cabin gain)37 Hz
Example box (outside)20 1/16″ × 15 3/4″ × 12 3/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs44 Hz
Qts0.46
Qes0.5
Qms6.1
Vas0.90 ft³
Re (one coil)≈ 1.7 Ω
Sd79.1 in²
Xmax1.14″
Vd90.3 in³ calc.
Mms188 g calc.
BL13.3 T·m calc.
EBP88 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.4 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power1,500 W

Mounting dimensions

Ø12 5/8″cutout Ø11 1/4″mounting depth 9 7/8″magnet Ø7 13/16″
Cutout diameter11 1/4″
Mounting depth9 7/8″
Overall diameter12 5/8″
Magnet diameter7 13/16″

“≈” 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