WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet, mit Verweis auf ita-Prüfzeugnis, 14.11.2000
Wilhelmi Imagio wooden acoustic panel, 50 mm ceiling void
Imagio
PTB reference data
Original description
Wilhelmi Imagio wooden acoustic panel, 50 mm ceiling void
Material properties
Manufacturer: Wiesner-Hager Baugruppe GmbH
Wall distance: 50 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.63
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.50 | 0.80 | 0.75 | 0.75 | 0.70 |
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Method (354): Measured
