Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: PLASTER6, C: Walls, D: 9
Original description
Walls, 9 mm plaster on 25 mm studs (no mineral wool)
ISO 354 – reverberation chamber
αp nach ISO 11654
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Method (354): Measured