American Bass XD-1544

15″ subwoofer · dual 4 Ω · 1,000 W RMS

Fs 34.5 HzQts 0.60Vas 1.82 ft³Xmax 0.79″

Recommended box

For a sedan, one sub, 1,000 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 volume2.37 ft³ (67 L)
Qtc0.80
Fc46 Hz
F3 (−3 dB, no cabin gain)43 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 10 3/16″
Open sealed box in designer

Ported

Net volume4.91 ft³ (139 L)
Tuning (Fb)28 Hz
Portslot 3 3/8 × 16 11/16″, 32 5/8″ long
Port velocity at 1,000 W65 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 23 1/8″
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
Qts0.60
Qes0.666
Qms6.17
Vas1.82 ft³
Re (one coil)≈ 3.4 Ω
Sd126.3 in²
Xmax0.79″
Vd99.5 in³ calc.
Mms388 g calc.
BL20.7 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,000 W

Mounting dimensions

Ø≈ 15 1/4″cutout Ø14 1/16″mounting depth 7 5/8″magnet Ø≈ 9 1/8″
Cutout diameter14 1/16″
Mounting depth7 5/8″

Cone area (Sd) calculated from Fs, Vas and Mms: 126.3 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