Infinity Reference 1050W

10″ subwoofer · 4 Ω · 250 W RMS

Fs 29 HzQts 0.44Vas 1.34 ft³Xmax 0.45″

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 volume0.60 ft³ (17 L)
Qtc0.79
Fc52 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 11 1/4″
Open sealed box in designer

Ported

Net volume1.94 ft³ (55 L)
Tuning (Fb)28 Hz
Portslot 1 9/16 × 14 5/16″, 35 11/16″ long
Port velocity at 250 W49 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 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 Hz
Qts0.44
Qes0.47
Qms7.36
Vas1.34 ft³
Re3.5 Ω
Sd55 in²
Xmax0.45″
Vd24.9 in³ calc.
Mms142 g calc.
BL13.9 T·m calc.
EBP62 — sealed or ported calc.
Sensitivity, 1 W / 1 m85 dB calc.

General

Size10″
Voice coils4 Ω
RMS power250 W

Mounting dimensions

Ø10 3/8″cutout Ø9 1/8″mounting depth 4 9/16″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth4 9/16″
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