ESO-KVO absorber panel

PTB reference data

Original description

Material properties

Manufacturer: ESO-Akustik Brigitte Schmelzle

Thickness: 28 mm

Wall distance: 50 mm

ISO 354 – reverberation chamber

αw

0.61

αp nach ISO 11654

125 Hz

0.20

250 Hz

0.50

500 Hz

0.75

1000 Hz

0.80

2000 Hz

0.70

4000 Hz

0.75

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Method (354): Measured