AudienceHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: JASA 104 (6) Dec 1998
Specially upholstered chair, occupied, vinyl cover, 2 cm back/4-6 cm seat upholstery
PTB reference data
Original description
Specially upholstered chair, occupied, vinyl cover, 2 cm back/4-6 cm seat upholstery
Material properties
No further information available.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.62
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.60 | 0.60 | 0.65 | 0.70 | 0.70 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured