Pride M.12 15 (table: Re 0.4, SVC)

15″ subwoofer · 1,200 W RMS

Fs 29.2 HzQts 0.64Vas 2.03 ft³Xmax 0.75″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 1,200 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 volume2.72 ft³ (77 L)
Qtc0.84
Fc39 Hz
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 11 5/8″
Open sealed box in designer

Ported

Net volume4.66 ft³ (132 L)
Tuning (Fb)26 Hz
Portslot 3 3/8 × 16 5/16″, 40 3/16″ long
Port velocity at 1,200 W64 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 23 11/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.2 Hz
Qts0.64
Qes0.73
Qms5.1
Vas2.03 ft³
Re0.4 Ω
Sd120 in²
Xmax0.75″
Vd89.7 in³ calc.
Mms438 g calc.
BL6.6 T·m calc.
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m84.9 dB calc.

General

Size15″
Voice coils—
RMS power1,200 W

Mounting dimensions

Ø15 3/8″cutout Ø13 7/8″mounting depth 7 3/8″magnet Ø6 11/16″
Cutout diameter13 7/8″
Mounting depth7 3/8″
Overall diameter15 3/8″
Magnet diameter6 11/16″

“≈” 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

Other Pride 15″ models