Pioneer TS-A3000LS4

12″ subwoofer · 4 Ω · 400 W RMS

Fs 31 HzQts 0.54Vas 1.61 ft³Xmax 0.35″

Recommended box

For a sedan, one sub, 400 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 volume1.38 ft³ (39 L)
Qtc0.80
Fc46 Hz
F3 (−3 dB, no cabin gain)43 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 7 3/8″
Open sealed box in designer

Ported

Net volume3.07 ft³ (87 L)
Tuning (Fb)28 Hz
Portslot 1 15/16 × 14 5/16″, 26 15/16″ long
Port velocity at 400 W62 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs31 Hz
Qts0.54
Qes0.6
Qms5.71
Vas1.61 ft³
Re3.6 Ω
Sd79.5 in²
Xmax0.35″
Vd27.5 in³ calc.
Mms215 g calc.
BL15.9 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.6 dB calc.

General

Size12″
Voice coils4 Ω
RMS power400 W

Mounting dimensions

Ø≈ 12 5/16″cutout Ø11 1/8″mounting depth 3 1/2″magnet Ø≈ 7 1/4″
Cutout diameter11 1/8″
Mounting depth3 1/2″

“≈” 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 12″ models