MAkustik MA15 translucent acoustic element Type 2/6

Type 2/6 – Makustik MA15 translucent acoustic element

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 50 mm

Wall distance: 150 mm

Perforation: 7%

Hole size: 2 mm

Backing: acoustic non-woven coated, 30 mm mineral wool

ISO 354 – reverberation chamber

αw

0.77

αp nach ISO 11654

125 Hz

0.35

250 Hz

0.85

500 Hz

1.00

1000 Hz

1.00

2000 Hz

1.00

4000 Hz

0.55

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Method (354): Measured