Soundstream T5.152

15″ subwoofer · dual 2 Ω · 1,300 W RMS

Fs 34.9 HzQts 0.96Vas 1.57 ft³Xmax 0.65″

Recommended box

For a sedan, one sub, 1,300 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 volume2.90 ft³ (82 L)
Qtc1.19
Fc43 Hz
F3 (−3 dB, no cabin gain)33 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 12″
Open sealed box in designer

Ported

Net volume4.91 ft³ (139 L)
Tuning (Fb)30 Hz
Portslot 3 3/4 × 16 11/16″, 31 1/4″ long
Port velocity at 1,300 W65 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 23 5/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34.9 Hz
Qts0.96
Qes1.108
Qms7.24
Vas1.57 ft³
Re (one coil)1.8 Ω
Sd127.1 in²
Xmax0.65″
Vd82.6 in³ calc.
Mms446 g calc.
BL12.6 T·m calc.
EBP31 — suits sealed calc.
Sensitivity, 1 W / 1 m84.3 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power1,300 W

Mounting dimensions

Ø≈ 15 3/16″cutout ≈ Ø14″mounting depth 9″magnet Ø≈ 9 1/16″
Cutout diameter≈ 14″
Mounting depth9″

Cone area (Sd) calculated from Fs, Vas and Mms: 127.2 in².

“≈” 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 Soundstream 15″ models