American Bass ES-1044

10″ subwoofer · dual 4 Ω · 500 W RMS

Fs 35 HzQts 1.34Vas 0.51 ft³Xmax 0.43″
The published specs don’t add up:

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 volume1.02 ft³ (29 L)
Qtc1.63
Fc43 Hz
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 16 7/16″
Open sealed box in designer

Ported

Net volume2.08 ft³ (59 L)
Tuning (Fb)30 Hz
Portslot 1 15/16 × 14 5/16″, 35 13/16″ long
Port velocity at 500 W59 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 13 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35 Hz
Qts1.34
Qes1.551
Qms9.64
Vas0.51 ft³
Re (one coil)4 Ω
Sd53.7 in²
Xmax0.43″
Vd23.3 in³ calc.
Mms244 g calc.
BL11.8 T·m calc.
EBP23 — suits sealed calc.
Sensitivity, 1 W / 1 m78 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø10 5/8″cutout Ø9 1/4″mounting depth 3 11/16″magnet Ø6 5/16″
Cutout diameter9 1/4″
Mounting depth3 11/16″
Overall diameter10 5/8″
Magnet diameter6 5/16″

“≈” 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 10″ models