Audio System R 10 FLAT

10″ subwoofer · 4 Ω · 225 W RMS

Fs 27.7 HzQts 0.65Vas 0.90 ft³Xmax 0.24″

Recommended box

For a sedan, one sub, 225 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 volume1.13 ft³ (32 L)
Qtc0.87
Fc37 Hz
F3 (−3 dB, no cabin gain)33 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 17 15/16″
Open sealed box in designer

Ported

Net volume1.91 ft³ (54 L)
Tuning (Fb)26 Hz
Portslot 1 9/16 × 14 5/16″, 42 7/8″ long
Port velocity at 225 W41 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 7/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27.7 Hz
Qts0.65
Qes0.77
Qms4.25
Vas0.90 ft³
Re3.2 Ω
Sd49.7 in²
Xmax0.24″
Vd11.7 in³ calc.
Mms188 g calc.
BL11.7 T·m calc.
EBP36 — suits sealed calc.
Sensitivity, 1 W / 1 m80.5 dB calc.

General

Size10″
Voice coils4 Ω
RMS power225 W

Mounting dimensions

Ø10 3/8″cutout Ø9 1/4″mounting depth 4 5/8″magnet Ø≈ 6″
Cutout diameter9 1/4″
Mounting depth4 5/8″
Overall diameter10 3/8″

“≈” 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 Audio System 10″ models