Pride M.35 15 D0.75 (M35.15D07)

15″ subwoofer · dual 0.75 Ω · 3,500 W RMS

Fs 26.9 HzQts 0.27Vas 2.97 ft³Xmax 1.38″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 3,500 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 volume1.64 ft³ (46.5 L)
Qtc0.45
Fc45 Hz
F3 (−3 dB, no cabin gain)83 Hz
Example box (outside)17 11/16″ × 17 11/16″ × 13 1/4″
Open sealed box in designer

Ported

Net volume2.47 ft³ (70 L)
Tuning (Fb)29 Hz
Portslot 2 9/16 × 17 1/16″, 50 3/4″ long
Port velocity at 3,500 W108 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 18 1/2″ × 15 5/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs26.9 Hz
Qts0.27
Qes0.288
Qms3.78
Vas2.97 ft³
Re (one coil)0.75 Ω
Sd129.4 in²
Xmax1.38″
Vd178.3 in³ calc.
Mms411 g calc.
BL13.4 T·m calc.
EBP93 — sealed or ported calc.
Sensitivity, 1 W / 1 m89.6 dB calc.

General

Size15″
Voice coilsdual 0.75 Ω
RMS power3,500 W

Mounting dimensions

Ø15 5/8″cutout Ø14 3/8″mounting depth 10 13/16″magnet Ø9 7/16″
Cutout diameter14 3/8″
Mounting depth10 13/16″
Overall diameter15 5/8″
Magnet diameter9 7/16″

“≈” 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