American Bass XO-1544

15″ subwoofer · dual 4 Ω · 500 W RMS

Fs 29.9 HzQts 0.61Vas 2.52 ft³Xmax 0.59″

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 volume2.83 ft³ (80 L)
Qtc0.84
Fc41 Hz
F3 (−3 dB, no cabin gain)37 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 11 3/4″
Open sealed box in designer

Ported

Net volume4.84 ft³ (137 L)
Tuning (Fb)28 Hz
Portslot 2 3/8 × 16 11/16″, 22 5/8″ long
Port velocity at 500 W60 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 20 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.9 Hz
Qts0.61
Qes0.69
Qms5.21
Vas2.52 ft³
Re (one coil)3.4 Ω
Sd124.6 in²
Xmax0.59″
Vd73.6 in³ calc.
Mms363 g calc.
BL18.3 T·m calc.
EBP43 — suits sealed calc.
Sensitivity, 1 W / 1 m86.4 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø≈ 15 1/2″cutout Ø14 5/16″mounting depth 7 3/8″magnet Ø≈ 9 5/16″
Cutout diameter14 5/16″
Mounting depth7 3/8″

“≈” 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