TextileHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Sound System Engineering, Don Davis and Carolyn Davis
Velour fabric, light (10 oz), hung straight touching wall
PTB reference data
Original description
Velour fabric, light (10 oz), hung straight touching wall
Material properties
Surface weight: 10 oz
Mounting: hung straight touching wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.16
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.05 | 0.10 | 0.15 | 0.25 | 0.35 |
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Method (354): Measured