Swat EXE-P15D1

15″ subwoofer · dual 1 Ω · 2,600 W RMS

Fs 29.6 HzQts 0.57Vas 1.65 ft³

Recommended box

For a sedan, one sub, 2,600 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 volume1.70 ft³ (48 L)
Qtc0.80
Fc42 Hz
F3 (−3 dB, no cabin gain)39 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 14 3/16″
Open sealed box in designer

Ported

Net volume4.80 ft³ (136 L)
Tuning (Fb)25 Hz
Portslot 5 1/8 × 16 11/16″, 68 7/16″ long
Port velocity at 2,600 W65 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 31 3/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.6 Hz
Qts0.57
Qes0.63
Qms6
Vas1.65 ft³
Re (one coil)≈ 0.85 Ω
Sd≈ 124 in²
Xmax≈ 0.39″
EBP47 — suits sealed calc.
Sensitivity, 1 W / 1 m84.8 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power2,600 W

Mounting dimensions

Ø15 11/16″cutout Ø14 5/16″mounting depth 9 5/8″magnet Ø9″
Cutout diameter14 5/16″
Mounting depth9 5/8″
Overall diameter15 11/16″
Magnet diameter9″

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 Swat 15″ models