Name: perforated brick 12x25x25 cm with 10 holes F/A = 60% + whitewash
Creator: Physikalisch-Technische Bundesanstalt (PTB)

perforated brick 12x25x25 cm with 10 holes F/A = 60% + whitewash – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.03

αp per ISO 11654

125 Hz

0.00

250 Hz

0.00

500 Hz

0.05

1000 Hz

0.05

2000 Hz

0.05

4000 Hz

0.05

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	αw0.03

perforated brick 12x25x25 cm with 10 holes F/A = 60% + whitewash

Material properties