Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
ACOUSTIC PANEL
Original description
illbruck ACOUSTIC PANEL melamine foam system
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 90 mm | αw0.82 | |
| 60 mm | αw0.72 | |
| 30 mm | αw0.64 |
Dimensions: 1200 x 600 mm, 2400 x 600 mm, 3000 x 600 mm
