Machete M12 Super Sport D2

12″ subwoofer · dual 2 Ω · 1,300 W RMS

Fs 40 HzQts 0.65Vas 1.20 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 volume1.73 ft³ (49 L)
Qtc0.85
Fc52 Hz
F3 (−3 dB, no cabin gain)47 Hz
Example box (outside)14 9/16″ × 14 9/16″ × 19 3/4″
Open sealed box in designer

Ported

Net volume2.93 ft³ (83 L)
Tuning (Fb)34 Hz
Portslot 3 3/4 × 14 5/16″, 36 1/4″ long
Port velocity at 1,300 W63 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 18 3/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs40 Hz
Qts0.65
Qes0.729
Qms6
Vas1.20 ft³
Re (one coil)1.4 Ω
Sd≈ 76 in²
Xmax0.67″
EBP55 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.8 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power1,300 W

Mounting dimensions

Ø≈ 12 3/8″cutout Ø11 1/4″mounting depth 6 7/8″magnet Ø≈ 7 5/16″
Cutout diameter11 1/4″
Mounting depth6 7/8″

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 12″ models