American Bass VFLCOMP-1511

15″ subwoofer · dual 1 Ω · 5,000 W RMS

Fs 34.5 HzQts 0.44Vas 1.29 ft³Xmax 1.08″

Recommended box

For a sedan, one sub, 5,000 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)
Qtc0.61
Fc48 Hz
F3 (−3 dB, no cabin gain)59 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 12 9/16″
Open sealed box in designer

Ported

Net volume2.33 ft³ (66 L)
Tuning (Fb)31 Hz
Portslot 2 3/4 × 16 5/16″, 48 1/16″ long
Port velocity at 5,000 W127 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 15 9/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34.5 Hz
Qts0.44
Qes0.489
Qms4.39
Vas1.29 ft³
Re (one coil)≈ 0.85 Ω
Sd121 in²
Xmax1.08″
Vd131 in³ calc.
Mms502 g calc.
BL13.8 T·m calc.
EBP71 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.9 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power5,000 W

Mounting dimensions

Ø≈ 14 15/16″cutout Ø13 3/4″mounting depth 10 3/16″magnet Ø≈ 8 15/16″
Cutout diameter13 3/4″
Mounting depth10 3/16″

Cone area (Sd) calculated from Fs, Vas and Mms: 121 in².

“≈” 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 American Bass 15″ models