Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.optac.de, März 2002
Stanac
Original description
SINOtec Stanac Helmholtz resonator made of closed-cell plastic
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 15 mm | αw0.51 | |
| 10 mm | αw0.43 | |
| 0 | αw0.32 |
Dimensions: 1000 x 1000 x 35 mm
