Highly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Suspended acoustical panels
Baffle
PTB reference data
Original description
Suspended acoustical panels
Material properties
Manufacturer: Siegfried Keller
Thickness: 140 mm
Application: Baffle
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.90
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.65 | 0.90 | 1.10 | 1.15 | 1.30 |
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Method (354): Measured
