Infinity Reference 1030W

10″ subwoofer · 4 Ω · 250 W RMS

Fs 29.6 HzQts 0.38Vas 1.26 ft³Xmax 0.48″

Recommended box

For a sedan, one sub, 250 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)
Qtc0.73
Fc56 Hz
F3 (−3 dB, no cabin gain)58 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 1/8″
Open sealed box in designer

Ported

Net volume1.24 ft³ (35 L)
Tuning (Fb)32 Hz
Port2 round ports Ø2 1/2″, 19 3/16″ long
Port velocity at 250 W89 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)27 11/16″ × 15 3/4″ × 8 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.6 Hz
Qts0.38
Qes0.41
Qms6.24
Vas1.26 ft³
Re3.48 Ω
Sd55 in²
Xmax0.48″
Vd26.6 in³ calc.
Mms144 g calc.
BL15.1 T·m calc.
EBP72 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.6 dB calc.

General

Size10″
Voice coils4 Ω
RMS power250 W

Mounting dimensions

Ø10 3/8″cutout Ø9 1/4″mounting depth 5 1/2″magnet Ø≈ 6″
Cutout diameter9 1/4″
Mounting depth5 1/2″
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 Infinity 10″ models