Revised
Applies to laboratory standard microphones meeting the requirements of IEC 61094-1. The principles of the method are applicable to other types of microphones. In particular, microphones which fulfil the requirements of IEC 61094-1, when fitted with a special adaptor, may also be calibrated according to this standard when the adaptor is removed.
Specifies a primary method of determining the free-field sensitivity so as to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions.
This publication supersedes IEC 60486.
WITHDRAWN
IEC 60486:1974 ED1
WITHDRAWN
IEC 61094-3:1995 ED1
99.60
Withdrawal effective
Jun 14, 2016
PUBLISHED
IEC 61094-3:2016 ED2