Pride S V.3 15 D2

15″ subwoofer · dual 2 Ω · 4,000 W RMS

Fs 25 HzQts 0.31Vas 3.53 ft³Xmax 1.42″

Recommended box

For a sedan, one sub, 4,000 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 volume1.59 ft³ (45 L)
Qtc0.56
Fc45 Hz
F3 (−3 dB, no cabin gain)62 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 13 1/2″
Open sealed box in designer

Ported

Net volume2.68 ft³ (76 L)
Tuning (Fb)29 Hz
Portslot 2 15/16 × 16 11/16″, 52 9/16″ long
Port velocity at 4,000 W104 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 17 3/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs25 Hz
Qts0.31
Qes0.327
Qms6
Vas3.53 ft³
Re (one coil)1.8 Ω
Sd141.1 in²
Xmax1.42″
Vd199.9 in³ calc.
Mms475 g calc.
BL20.3 T·m calc.
EBP76 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.8 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power4,000 W

Mounting dimensions

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

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