Machete M12 v2 Sport D1

12″ subwoofer · dual 1 Ω · 950 W RMS

Fs 34.2 HzQts 0.45Vas 1.40 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)
Qtc0.78
Fc59 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 volume2.12 ft³ (60 L)
Tuning (Fb)32 Hz
Portslot 2 9/16 × 14 5/16″, 40 3/16″ long
Port velocity at 950 W64 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 14 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34.2 Hz
Qts0.45
Qes0.486
Qms6
Vas1.40 ft³
Re (one coil)0.8 Ω
Sd≈ 76 in²
Xmax0.63″
EBP70 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.1 dB calc.

General

Size12″
Voice coilsdual 1 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