Machete M15 Super Sport D1

15″ subwoofer · dual 1 Ω · 1,300 W RMS

Fs 36 HzQts 0.64Vas 1.27 ft³Xmax 0.67″

Recommended box

For a sedan, one sub, 1,300 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 volume2.26 ft³ (64 L)
Qtc0.80
Fc45 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 18 1/16″
Open sealed box in designer

Ported

Net volume4.80 ft³ (136 L)
Tuning (Fb)26 Hz
Portslot 3 3/4 × 16 11/16″, 44 7/8″ long
Port velocity at 1,300 W64 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 25″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36 Hz
Qts0.64
Qes0.716
Qms6
Vas1.27 ft³
Re (one coil)0.7 Ω
Sd≈ 124 in²
Xmax0.67″
EBP50 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.7 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power1,300 W

Mounting dimensions

Ø≈ 15 3/16″cutout Ø14″mounting depth 7 1/2″magnet Ø≈ 9 1/16″
Cutout diameter14″
Mounting depth7 1/2″

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 Machete 15″ models