Infinity Reference 1052W

10″ subwoofer · dual 4 Ω · 250 W RMS

Fs 28.8 HzQts 0.46Vas 1.41 ft³Xmax 0.49″

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 volume0.71 ft³ (20 L)
Qtc0.80
Fc50 Hz
F3 (−3 dB, no cabin gain)47 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 12 7/8″
Open sealed box in designer

Ported

Net volume2.12 ft³ (60 L)
Tuning (Fb)28 Hz
Portslot 1 9/16 × 14 5/16″, 32 3/8″ long
Port velocity at 250 W51 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.8 Hz
Qts0.46
Qes0.5
Qms6.3
Vas1.41 ft³
Re (one coil)3.7 Ω
Sd55 in²
Xmax0.49″
Vd27.1 in³ calc.
Mms137 g calc.
BL13.5 T·m calc.
EBP58 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.8 dB calc.

General

Size10″
Voice coilsdual 4 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″

Judging by its value, the published Re is for both coils in parallel — converted to per coil.

“≈” 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