TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Ursprüngliche Quelle: Messung der PTB, Ergänzung PTB. Data-Category in CATT: VORHANG_ZU, C: Walls, D: Studiovorhang,
Studio curtain, 220 mm wall distance
PTB reference data
Original description
Studio curtain, 220 mm wall distance
Material properties
Wall distance: 220 mm
Application: wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.49
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.25 | 0.50 | 0.45 | 0.60 | 0.75 |
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Method (354): Measured