Alpine SWE-1044E (Type-E)

10″ subwoofer · 4 Ω · 150 W RMS

Fs 34 HzQts 0.50Vas 1.73 ft³Xmax 0.33″

Recommended box

For a sedan, one sub, 150 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 volume1.09 ft³ (31 L)
Qtc0.80
Fc55 Hz
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 18 5/8″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)36 Hz
Portslot 1 9/16 × 14 5/16″, 18 13/16″ long
Port velocity at 150 W38 ft/s
F3 (−3 dB, no cabin gain)33 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 3/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34 Hz
Qts0.50
Qes0.6
Qms2.9
Vas1.73 ft³
Re3.3 Ω
Sd≈ 52.7 in²
Xmax0.33″
EBP57 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.1 dB calc.

General

Size10″
Voice coils4 Ω
RMS power150 W

Mounting dimensions

Ø≈ 10 1/4″cutout Ø9 1/16″mounting depth 4 1/2″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth4 1/2″

“≈” 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 Alpine 10″ models