Ecophon Master A/Extra Bass glass wool panel, Akutex T

Ecophon – Master A, alpha + 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: Akutex T

ISO 354 – reverberation chamber

αw

0.95

αp nach ISO 11654

125 Hz

0.85

250 Hz

0.95

500 Hz

0.95

1000 Hz

1.00

2000 Hz

1.00

4000 Hz

0.95

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Method (354): Measured