Mineral woolLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Sound System Engineering, Don Davis and Carolyn Davis
Fiberboard, 1/2 inch normal soft, mounted over 1 inch air space
PTB reference data
Original description
Fiberboard, 1/2 inch normal soft, mounted over 1 inch air space
Material properties
Thickness: 1/2 inch
Wall distance: 1 inch
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.18
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 500 | 2k |
|---|---|---|---|
| αp | 0.30 | 0.15 | 0.10 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value |
|---|---|
| αw0.18 | |
| αw0.18 |
Distance: 1-in
No measurement data available.