Name: renz VPR Type 1 compound panel resonator
Creator: Physikalisch-Technische Bundesanstalt (PTB)

renz VPR Type 1 compound panel resonator – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.55

αp per ISO 11654

125 Hz

1.00

250 Hz

0.85

500 Hz

0.60

1000 Hz

0.35

2000 Hz

0.25

4000 Hz

0.20

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Compare		Value
	verdeckte Anwendung	αw0.55
	sichtbare Anwendung	αw0.45

Dimensions: 1500 x 1000 mm

renz VPR Type 1 compound panel resonator

Material properties