MAkustik MA20 veneered acoustic panel Type 1/3

Type 1/3 – Makustik MA20 veneered acoustic panel

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 20 mm

Wall distance: 380 mm

Perforation: 9%

Hole size: 1 mm

ISO 354 – reverberation chamber

αw

0.57

αp nach ISO 11654

125 Hz

0.55

250 Hz

0.60

500 Hz

0.50

1000 Hz

0.55

2000 Hz

0.70

4000 Hz

0.50

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Method (354): Measured