Heavily upholstered chair, occupied, Berlin Philharmonie

PTB reference data

Original description

Material properties

Surface: heavily upholstered

Application: audience

ISO 354 – reverberation chamber

αw

0.83

αp nach ISO 11654

125 Hz

0.70

250 Hz

0.80

500 Hz

0.90

1000 Hz

0.85

2000 Hz

0.85

4000 Hz

0.85

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Method (354): Measured