Double curtain fabric, 20 cm distance

PTB reference data

Original description

Material properties

Wall distance: 20 cm

ISO 354 – reverberation chamber

αw

0.68

αp nach ISO 11654

125 Hz

0.15

250 Hz

0.50

500 Hz

0.75

1000 Hz

0.80

2000 Hz

0.90

4000 Hz

0.95

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Method (354): Measured