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Audio System M12 EVO 2 — specifications and enclosures

Audio System M12 EVO 2: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.

Coil connection for T/S measurements is not explicit; electrical simulation requires verified Re and Le.

Read manufacturer PDF ↗Load driver

Manufacturer enclosure recommendations

Manufacturer recommendation

Sealed 30.0 L

The published volume is not confirmed as net air volume. Check the definition in the manual.

Manufacturer volume includes the woofer and port. Deduct their actual occupied volume to obtain net air volume.

Documentation only — check the limitations before use.

PDF · page 2
Manufacturer recommendation

Bass-reflex 50.0 L

Tuning Fb: 37.0 Hz.

Manufacturer port: shape: round, diameter: 90.0 mm, length: 200.0 mm, count: 1.

The published volume is not confirmed as net air volume. Check the definition in the manual.

Manufacturer volume includes the woofer and port. Deduct their actual occupied volume to obtain net air volume.

Documentation only — check the limitations before use.

PDF · page 2

Calculator parameters

Fs33.0 Hz
Vas58.7 L
Qes0.49
Qms4.01
ReNot provided / unverified
Sd510.0 cm²
LeNot provided / unverified
One-way linear Xmax12.0 mm
Frame diameter32.0 cm
Mounting cutout27.8 cm
Mounting depth13.2 cm

Additional manufacturer specifications

Published coil resistance2× 1,8 Ω
Published Qts0.43

Data is for one subwoofer. Manufacturer recommendations are separate from CarBoxLab calculations. Net air volume excludes the driver, port and bracing; design dimensions are external. Loading a recommendation transfers the verified volume and tuning; confirm port geometry and construction separately.

Source documentation

Manufacturer technical documentation

Original manufacturer documents are not translated. Data reviewed: 2026-10-31.