Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 158
Wilhelmi acoustic panel – Variantex 05 SAL (1981)
Original description
Wilhelmi Variantex 05 SAL wood fiber acoustic panel
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 300 mm | αw0.64 | |
| 50 mm | αw0.57 |
Weight / density: 6 - 7 kg / m²
