Swat EXE-15D2 v.3

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

Fs 34.8 HzQts 0.43Vas 1.51 ft³

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 volume1.39 ft³ (39.5 L)
Qtc0.62
Fc50 Hz
F3 (−3 dB, no cabin gain)61 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 12 1/8″
Open sealed box in designer

Ported

Net volume2.37 ft³ (67 L)
Tuning (Fb)32 Hz
Portslot 2 15/16 × 16 11/16″, 48 9/16″ long
Port velocity at 2,000 W74 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 15 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34.8 Hz
Qts0.43
Qes0.463
Qms6
Vas1.51 ft³
Re (one coil)≈ 1.7 Ω
Sd≈ 124 in²
Xmax≈ 0.39″
EBP75 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.9 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power2,000 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