Audison Prima APS 10 S4S (SVC 4 ohm, shallow)

10″ subwoofer · 4 Ω · 400 W RMS

Fs 28.5 HzQts 0.68Vas 1.40 ft³Xmax 0.50″

Recommended box

For a sedan, one sub, 400 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 volume1.34 ft³ (38 L)
Qtc0.97
Fc41 Hz
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 7 1/16″
Open sealed box in designer

Ported

Net volume2.30 ft³ (65 L)
Tuning (Fb)29 Hz
Portslot 1 9/16 × 14 5/16″, 27 5/16″ long
Port velocity at 400 W63 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.5 Hz
Qts0.68
Qes0.75
Qms6.9
Vas1.40 ft³
Re3.7 Ω
Sd58.9 in²
Xmax0.50″
Vd29.2 in³ calc.
Mms161 g calc.
BL11.9 T·m calc.
EBP38 — suits sealed calc.
Sensitivity, 1 W / 1 m82.9 dB calc.

General

Size10″
Voice coils4 Ω
RMS power400 W

Mounting dimensions

Ø10 5/8″cutout Ø9 3/16″mounting depth 3 7/16″magnet Ø5 1/2″
Cutout diameter9 3/16″
Mounting depth3 7/16″
Overall diameter10 5/8″
Magnet diameter5 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 Audison 10″ models