Pioneer TS-D12D4

12″ subwoofer · dual 4 Ω · 600 W RMS

Fs 34 HzQts 0.69Vas 1.69 ft³Xmax 0.51″

Recommended box

For a sedan, one sub, 600 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 volume1.80 ft³ (51 L)
Qtc0.96
Fc47 Hz
F3 (−3 dB, no cabin gain)40 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 1/16″
Open sealed box in designer

Ported

Net volume3.07 ft³ (87 L)
Tuning (Fb)33 Hz
Portslot 2 9/16 × 14 5/16″, 24 5/16″ long
Port velocity at 600 W61 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 5/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34 Hz
Qts0.69
Qes0.74
Qms9.75
Vas1.69 ft³
Re (one coil)3.3 Ω
Sd79.8 in²
Xmax0.51″
Vd40.8 in³ calc.
Mms172 g calc.
BL12.8 T·m calc.
EBP46 — suits sealed calc.
Sensitivity, 1 W / 1 m86.1 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power600 W

Mounting dimensions

Ø≈ 12 5/16″cutout Ø11 1/8″mounting depth 6 1/4″magnet Ø≈ 7 1/4″
Cutout diameter11 1/8″
Mounting depth6 1/4″

“≈” 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