Pride M.20 15 D1.6 (M20.15D16)

15″ subwoofer · dual 1.6 Ω · 2,000 W RMS

Fs 27.2 HzQts 0.32Vas 2.20 ft³Xmax 0.91″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 2,000 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 volume1.20 ft³ (34 L)
Qtc0.53
Fc46 Hz
F3 (−3 dB, no cabin gain)67 Hz
Example box (outside)17 11/16″ × 17 11/16″ × 10 3/8″
Open sealed box in designer

Ported

Net volume2.51 ft³ (71 L)
Tuning (Fb)27 Hz
Portslot 2 3/16 × 17 1/16″, 49 1/16″ long
Port velocity at 2,000 W94 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 18 1/2″ × 14 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27.2 Hz
Qts0.32
Qes0.34
Qms4.75
Vas2.20 ft³
Re (one coil)1.6 Ω
Sd131 in²
Xmax0.91″
Vd118.6 in³ calc.
Mms556 g calc.
BL21.1 T·m calc.
EBP80 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.7 dB calc.

General

Size15″
Voice coilsdual 1.6 Ω
RMS power2,000 W

Mounting dimensions

Ø15 5/8″cutout Ø14 9/16″mounting depth 7 7/8″magnet Ø8 1/4″
Cutout diameter14 9/16″
Mounting depth7 7/8″
Overall diameter15 5/8″
Magnet diameter8 1/4″

“≈” 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