American Bass XD-1522

15″ subwoofer · dual 2 Ω · 1,000 W RMS

Fs 38.1 HzQts 0.57Vas 1.57 ft³Xmax 0.79″
The published specs don’t add up:

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 volume1.62 ft³ (46 L)
Qtc0.80
Fc53 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 13 3/4″
Open sealed box in designer

Ported

Net volume4.70 ft³ (133 L)
Tuning (Fb)30 Hz
Portslot 3 9/16 × 16 11/16″, 31 1/16″ long
Port velocity at 1,000 W63 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 22 3/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs38.1 Hz
Qts0.57
Qes0.634
Qms5.7
Vas1.57 ft³
Re (one coil)≈ 1.7 Ω
Sd127.9 in²
Xmax0.79″
Vd100.7 in³ calc.
Mms378 g calc.
BL15.6 T·m calc.
EBP60 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.9 dB calc.

General

Size15″
Voice coilsdual 2 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: 127.9 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