Pioneer TS-A2500LS4

10″ subwoofer · 4 Ω · 300 W RMS

Fs 38 HzQts 0.83Vas 0.63 ft³Xmax 0.33″

Recommended box

For a sedan, one sub, 300 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 volume1.20 ft³ (34 L)
Qtc1.03
Fc47 Hz
F3 (−3 dB, no cabin gain)38 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 6 1/2″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)31 Hz
Portslot 1 9/16 × 14 5/16″, 26 3/4″ long
Port velocity at 300 W59 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs38 Hz
Qts0.83
Qes0.9
Qms10.93
Vas0.63 ft³
Re≈ 3.4 Ω
Sd≈ 52.7 in²
Xmax0.33″
EBP42 — suits sealed calc.
Sensitivity, 1 W / 1 m82.4 dB calc.

General

Size10″
Voice coils4 Ω
RMS power300 W

Mounting dimensions

Ø≈ 10 3/16″cutout Ø9″mounting depth 3 3/8″magnet Ø≈ 5 7/8″
Cutout diameter9″
Mounting depth3 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 Pioneer 10″ models