Physikalisch-Technische Bundesanstalt
Source: Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991
Original description
Concrete block, painted
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value |
|---|---|
| αw0.08 | |
| αw0.08 |
