Name: Concrete block, coarse
Creator: Physikalisch-Technische Bundesanstalt (PTB)

Concrete block, coarse – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.34

αp per ISO 11654

125 Hz

0.35

250 Hz

0.45

500 Hz

0.30

1000 Hz

0.30

2000 Hz

0.40

4000 Hz

0.25

Create a permanent free account — Access frequency bands, variants and export.

Free. No password required.

Compare	Value
	αw0.34
	αw0.34

Concrete block, coarse

Material properties