Pride HP 15 D2

15″ subwoofer · dual 2 Ω · 1,250 W RMS

Fs 28 HzQts 0.39Vas 2.90 ft³Xmax 0.75″

Recommended box

For a sedan, one sub, 1,250 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 volume1.13 ft³ (32 L)
Qtc0.74
Fc53 Hz
F3 (−3 dB, no cabin gain)54 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 10 13/16″
Open sealed box in designer

Ported

Net volume2.90 ft³ (82 L)
Tuning (Fb)30 Hz
Portslot 2 15/16 × 16 5/16″, 43 5/8″ long
Port velocity at 1,250 W63 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 17 5/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28 Hz
Qts0.39
Qes0.405
Qms10.43
Vas2.90 ft³
Re (one coil)1.6 Ω
Sd122.5 in²
Xmax0.75″
Vd91.6 in³ calc.
Mms348 g calc.
BL15.6 T·m calc.
EBP69 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.5 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power1,250 W

Mounting dimensions

Ø≈ 15 1/16″cutout Ø13 7/8″mounting depth 7 3/16″magnet Ø≈ 9 1/16″
Cutout diameter13 7/8″
Mounting depth7 3/16″

Qes and Qms are not on the spec sheet — calculated from Qts, motor strength BL and Re.

“≈” 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 Pride 15″ models