Mineral woolLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon X-Bass fiber absorber
Ecophon – X-Bass
PTB reference data
Original description
Ecophon X-Bass fiber absorber
Material properties
Manufacturer: Ecophon GmbH
Thickness: 100 mm
Wall distance: 100 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.43
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.85 | 0.80 | 0.45 | 0.25 | 0.15 |
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Method (354): Measured