URAL AK-10

10″ subwoofer · 4 Ω

Fs 37.5 HzQts 0.39Vas 1.20 ft³Xmax 0.39″

Recommended box

For a sedan, one sub, 300 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 volume0.49 ft³ (14 L)
Qtc0.72
Fc69 Hz
F3 (−3 dB, no cabin gain)73 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 1/8″
Open sealed box in designer

Ported

Net volume1.17 ft³ (33 L)
Tuning (Fb)40 Hz
Port2 round ports Ø3″, 18″ long
Port velocity at 300 W75 ft/s
F3 (−3 dB, no cabin gain)39 Hz
Example box (outside)26 3/8″ × 15 3/4″ × 8 1/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs37.5 Hz
Qts0.39
Qes0.42
Qms4.87
Vas1.20 ft³
Re3.3 Ω
Sd≈ 52.7 in²
Xmax0.39″
EBP89 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.3 dB calc.

General

Size10″
Voice coils4 Ω
RMS power—

Mounting dimensions

Ø≈ 10 5/8″cutout Ø9 7/16″mounting depth 5 11/16″magnet Ø≈ 6 1/8″
Cutout diameter9 7/16″
Mounting depth5 11/16″

“≈” 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 URAL 10″ models