Skar Audio ZVX-15v2 D1

15″ subwoofer · dual 1 Ω · 1,500 W RMS

Fs 38 HzQts 0.47Vas 2.07 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 volume1.61 ft³ (45.5 L)
Qtc0.71
Fc57 Hz
F3 (−3 dB, no cabin gain)60 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 13 5/8″
Open sealed box in designer

Ported

Net volume3.60 ft³ (102 L)
Tuning (Fb)34 Hz
Portslot 3 3/4 × 16 11/16″, 33 9/16″ long
Port velocity at 1,500 W62 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 19 3/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs38 Hz
Qts0.47
Qes0.56
Qms3
Vas2.07 ft³
Re (one coil)≈ 0.85 Ω
Sd116.9 in²
Xmax1.14″
Vd133.4 in³ calc.
Mms241 g calc.
BL9.4 T·m calc.
EBP68 — sealed or ported calc.
Sensitivity, 1 W / 1 m89.6 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power1,500 W

Mounting dimensions

Ø≈ 15 1/4″cutout Ø14 1/16″mounting depth 11 1/8″magnet Ø7 13/16″
Cutout diameter14 1/16″
Mounting depth11 1/8″
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 15″ models