MAkustik MA02 acoustic panel with stepped perforation

Typ 8/16 – MAkustik MA02 Stufenbohrung

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 46 mm

Wall distance: 170 mm

Perforation: 20 %

Hole size: 8/12 mm

Backing: acoustic non-woven, 30 mm mineral wool

ISO 354 – reverberation chamber

αw

0.82

αp nach ISO 11654

125 Hz

0.35

250 Hz

0.85

500 Hz

0.95

1000 Hz

0.90

2000 Hz

0.90

4000 Hz

1.00

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Method (354): Measured