NVX VCW154v3

15″ subwoofer · dual 4 Ω · 1,500 W RMS

Fs 31.3 HzQts 0.45Vas 2.93 ft³Xmax 0.91″

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 volume1.38 ft³ (39 L)
Qtc0.80
Fc55 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 12″
Open sealed box in designer

Ported

Net volume4.52 ft³ (128 L)
Tuning (Fb)30 Hz
Portslot 3 9/16 × 16 11/16″, 32 1/2″ long
Port velocity at 1,500 W64 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 22″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs31.3 Hz
Qts0.45
Qes0.62
Qms1.68
Vas2.93 ft³
Re (one coil)3.2 Ω
Sd124.7 in²
Xmax0.91″
Vd112.9 in³ calc.
Mms286 g calc.
BL17 T·m calc.
EBP50 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.1 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,500 W

Mounting dimensions

Ø15 9/16″cutout Ø14 1/8″mounting depth 8 3/16″magnet Ø≈ 9 3/16″
Cutout diameter14 1/8″
Mounting depth8 3/16″
Overall diameter15 9/16″

Judging by its value, the published Re is for both coils in series — converted to per coil.

“≈” 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 NVX 15″ models