Pride UFO.5 15 D0.7

15″ subwoofer · dual 0.7 Ω · 10,000 W RMS

Fs 22.7 HzQts 0.13Vas 4.59 ft³Xmax 1.67″

Recommended box

For a sedan, one sub, 10,000 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 volume1.75 ft³ (49.5 L)
Qtc0.25
Fc43 Hz
F3 (−3 dB, no cabin gain)165 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 14 9/16″
Open sealed box in designer

Ported

Net volume2.65 ft³ (75 L)
Tuning (Fb)25 Hz
Portslot 2 3/16 × 16 11/16″, 53 3/8″ long
Port velocity at 10,000 W232 ft/s
F3 (−3 dB, no cabin gain)160 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 16 1/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs22.7 Hz
Qts0.13
Qes0.133
Qms6
Vas4.59 ft³
Re (one coil)0.8 Ω
Sd138 in²
Xmax1.67″
Vd230.8 in³ calc.
Mms423 g calc.
BL19.1 T·m calc.
EBP171 — suits ported calc.
Sensitivity, 1 W / 1 m92.6 dB calc.

General

Size15″
Voice coilsdual 0.7 Ω
RMS power10,000 W

Mounting dimensions

Ø≈ 15 1/2″cutout Ø14 5/16″mounting depth 12 1/16″magnet Ø≈ 9 5/16″
Cutout diameter14 5/16″
Mounting depth12 1/16″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

Judging by its value, the published Re is for both coils in series — converted to per coil.

“≈” 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