Ecophon Master A/Beta glass wool panel, non-woven faced

Ecophon – Master A, beta + Master Extra Bass

PTB reference data

Original description

Material properties

Manufacturer: Ecophon GmbH

Thickness: 140 mm

Wall distance: 200 mm

Backing: non-woven faced

Surface: surface structure

ISO 354 – reverberation chamber

αw

0.76

αp nach ISO 11654

125 Hz

0.80

250 Hz

0.75

500 Hz

0.80

1000 Hz

0.85

2000 Hz

0.75

4000 Hz

0.60

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Method (354): Measured