Specifies mechanical dimensions and certain electroacoustic characteristics for condenser microphones used as laboratory standards for the realization of the unit of sound pressure. The specifications are intended to ensure that primary calibration by the reciprocity method can be readily carried out. Establishes a system for classifying laboratory standard condenser mocrophones.
WITHDRAWN
IEC 61094-1:1992 ED1
99.60
Withdrawal effective
Jul 20, 2000
PUBLISHED
IEC 61094-1:2000 ED2