Physikalisch-Technische Bundesanstalt
Source: Sound System Engineering, Don Davis and Carolyn Davis
Original description
Acoustile, surface glazed and perforated structural clay tile, perforated surface backed with 4 inch glass fiber blanket of 1 lb/ft² density
No further information available.
ISO 354 – reverberation chamber
αp nach ISO 11654
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Method (354): Measured
