MAkustik MA02 Acoustic Panel with stepped perforation

Type 3/16 – MAkustik MA02 stepped perforation

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 46 mm

Wall distance: 0 mm

Perforation: 3%

Hole size: 3/10 mm

Backing: 30 mm mineral wool

ISO 354 – reverberation chamber

αw

0.45

αp nach ISO 11654

125 Hz

0.10

250 Hz

0.60

500 Hz

1.00

1000 Hz

0.55

2000 Hz

0.25

4000 Hz

0.15

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Method (354): Measured