Norm
[AKTUELL]
ABNT NBR IEC 61094-3
ABNT NBR IEC 61094-3
Electroacoustics - Measurement microphones Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
Titel (englisch)
Electroacoustics - Measurement microphones Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique