Physikalisch-Technische Bundesanstalt
Source: Sound System Engineering, Don Davis and Carolyn Davis
Original description
Rockwool blanket, 4 inch thick batt (Full-Thik), covered with 3/16 inch thick perforated cement asbestos board (Transite), 11% open area, mounted against solid backing
ISO 354 – reverberation chamber
αp nach ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
