Pioneer TS-W261S4

10″ subwoofer · 4 Ω · 350 W RMS

Fs 45 HzQts 0.85Vas 0.66 ft³Xmax 0.37″

Recommended box

For a sedan, one sub, 350 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 volume1.24 ft³ (35 L)
Qtc1.05
Fc56 Hz
F3 (−3 dB, no cabin gain)44 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 19 3/8″
Open sealed box in designer

Ported

Net volume2.08 ft³ (59 L)
Tuning (Fb)36 Hz
Portslot 1 3/4 × 14 5/16″, 21″ long
Port velocity at 350 W62 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 5/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs45 Hz
Qts0.85
Qes0.9
Qms14.59
Vas0.66 ft³
Re3.2 Ω
Sd54.3 in²
Xmax0.37″
Vd19.9 in³ calc.
Mms117 g calc.
BL10.8 T·m calc.
EBP50 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.8 dB calc.

General

Size10″
Voice coils4 Ω
RMS power350 W

Mounting dimensions

Ø10 7/8″cutout Ø9 1/4″mounting depth 5 1/2″magnet Ø≈ 6″
Cutout diameter9 1/4″
Mounting depth5 1/2″
Overall diameter10 7/8″

“≈” 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 Pioneer 10″ models