MAkustik MA15 translucent acoustic element

Type 2/6 – Makustik MA15 translucent acoustic element

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 20 mm

Wall distance: 380 mm

Perforation: 7%

Hole size: 2 mm

Backing: acoustic non-woven coated

ISO 354 – reverberation chamber

αw

0.71

αp nach ISO 11654

125 Hz

0.55

250 Hz

0.80

500 Hz

0.70

1000 Hz

0.80

2000 Hz

0.85

4000 Hz

0.60

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Method (354): Measured