Machete M12 v2 Sport D2

12″ subwoofer · dual 2 Ω · 950 W RMS

Fs 34.6 HzQts 0.46Vas 1.43 ft³Xmax 0.63″

Recommended box

For a sedan, one sub, 950 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 volume0.71 ft³ (20 L)
Qtc0.80
Fc60 Hz
F3 (−3 dB, no cabin gain)57 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 1/16″
Open sealed box in designer

Ported

Net volume2.30 ft³ (65 L)
Tuning (Fb)32 Hz
Portslot 2 3/4 × 14 5/16″, 39 3/4″ long
Port velocity at 950 W62 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34.6 Hz
Qts0.46
Qes0.498
Qms6
Vas1.43 ft³
Re (one coil)1.6 Ω
Sd≈ 76 in²
Xmax0.63″
EBP69 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.3 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power950 W

Mounting dimensions

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

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