OtherLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet
RAS Raumakustik SAG-TA 1 foil absorber
SAG-TA 1
PTB reference data
Original description
RAS Raumakustik SAG-TA 1 foil absorber
Material properties
Manufacturer: RAS Raumakustik GmbH
Application: low frequencies
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.50
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 1.20 | 0.65 | 0.50 | 0.25 | 0.25 | 0.15 |
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Method (354): Measured