American Bass XR-1522

15″ subwoofer · dual 2 Ω · 1,500 W RMS

Fs 32.8 HzQts 0.72Vas 1.40 ft³Xmax 0.94″

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 volume2.75 ft³ (78 L)
Qtc0.88
Fc40 Hz
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 11 1/2″
Open sealed box in designer

Ported

Net volume4.66 ft³ (132 L)
Tuning (Fb)26 Hz
Portslot 3 3/4 × 16 11/16″, 46 7/16″ long
Port velocity at 1,500 W65 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 24 3/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32.8 Hz
Qts0.72
Qes0.83
Qms5.38
Vas1.40 ft³
Re (one coil)2.1 Ω
Sd120.7 in²
Xmax0.94″
Vd114.1 in³ calc.
Mms510 g calc.
BL16.3 T·m calc.
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m84.3 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power1,500 W

Mounting dimensions

Ø≈ 15 1/4″cutout Ø14 1/8″mounting depth 8 11/16″magnet Ø≈ 9 3/16″
Cutout diameter14 1/8″
Mounting depth8 11/16″

The published Sd of 75.3 in² doesn't match Fs, Vas and Mms — using the calculated 120.7 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