Pride SS.5 15 Competition D0.7 (SS.515compD07)

15″ subwoofer · dual 0.7 Ω · 5,500 W RMS

Fs 21.9 HzQts 0.19Vas 2.75 ft³Xmax 1.42″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 5,500 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 volume1.68 ft³ (47.5 L)
Qtc0.30
Fc36 Hz
F3 (−3 dB, no cabin gain)109 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 14 1/16″
Open sealed box in designer

Ported

Net volume2.54 ft³ (72 L)
Tuning (Fb)25 Hz
Portround port Ø3″, 9 5/8″ long
Port velocity at 5,500 W875 ft/s
F3 (−3 dB, no cabin gain)97 Hz
Example box (outside)24 3/8″ × 18 1/8″ × 14″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs21.9 Hz
Qts0.19
Qes0.191
Qms6
Vas2.75 ft³
Re (one coil)0.7 Ω
Sd132.5 in²
Xmax1.42″
Vd187.8 in³ calc.
Mms703 g calc.
BL18.8 T·m calc.
EBP115 — suits ported calc.
Sensitivity, 1 W / 1 m88.3 dB calc.

General

Size15″
Voice coilsdual 0.7 Ω
RMS power5,500 W

Mounting dimensions

Ø≈ 15 1/2″cutout Ø14 5/16″mounting depth 11 9/16″magnet Ø13″
Cutout diameter14 5/16″
Mounting depth11 9/16″
Magnet diameter13″

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

“≈” 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