StoneHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Leca concrete block cavity resonator Sound Leca Normale
Cavity resonator – Sound Leca Normale
PTB reference data
Original description
Leca concrete block cavity resonator Sound Leca Normale
Material properties
Manufacturer: Associazione Nazionale Produttori Elementi Leca
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.58
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.75 | 0.55 | 0.50 | 0.65 | 0.50 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured