MAkustik MA07 square-hole perforated acoustic panel

Type 8/16 – MAkustik MA07 square-hole perforated

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 46 mm

Wall distance: 170 mm

Perforation: 25%

Hole size: 8 mm

Backing: 30 mm mineral wool

ISO 354 – reverberation chamber

αw

0.77

αp nach ISO 11654

125 Hz

0.30

250 Hz

0.85

500 Hz

0.95

1000 Hz

0.95

2000 Hz

0.85

4000 Hz

0.80

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Method (354): Measured