Audiopipe TS-PP3-15-D4

15″ subwoofer · dual 4 Ω · 700 W RMS

Fs 29 HzQts 0.42Vas 4.59 ft³Xmax 0.39″

Recommended box

For a sedan, one sub, 700 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)
Qtc0.80
Fc55 Hz
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 15 5/8″
Open sealed box in designer

Ported

Net volume5.12 ft³ (145 L)
Tuning (Fb)31 Hz
Portslot 2 3/4 × 16 5/16″, 18 7/8″ long
Port velocity at 700 W62 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 22 3/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29 Hz
Qts0.42
Qes0.52
Qms2.3
Vas4.59 ft³
Re (one coil)3.6 Ω
Sd131.8 in²
Xmax0.39″
Vd51.9 in³ calc.
Mms237 g calc.
BL17.3 T·m calc.
EBP56 — sealed or ported calc.
Sensitivity, 1 W / 1 m89.9 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power700 W

Mounting dimensions

Ø15 3/16″cutout Ø13 7/8″mounting depth 7 3/16″magnet Ø≈ 9″
Cutout diameter13 7/8″
Mounting depth7 3/16″
Overall diameter15 3/16″

“≈” 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