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NF C97-339 ; NF EN 61842:2004-06-01
Microphones and earphones for speech communications
Edition
2004-06-01
NF C97-334 ; NF EN 61094-4:1996-04-01
Measurement microphones. Part 4: specifications for working standard microphones
Edition
1996-04-01
BS EN 61094-2+A1
Electroacoustics - Measurement microphones - Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Edition
2009-05-31
BS EN 61094-5
Electroacoustics. Measurement microphones. Methods for pressure calibration of working standard microphones by comparison
Edition
2016-09-30
BS EN 61094-8
Electroacoustics. Measurement microphones. Methods for free-field calibration of working standard microphones by comparison
Edition
2013-01-31
SN EN 61094-4
Measurement microphones. Part 4: Specifications for working standard microphones
Edition
1995-12
SN EN 61842
Microphones and earphones for speech communications
Edition
2002-06
NF C97-304 ; NF EN IEC 60268-4:2018-11-09
Sound system equipment - Part 4: microphones
Edition
2018-11-09
SN EN IEC 60268-4
Sound system equipment - Part 4: Microphones
Edition
2018-11
BS EN 61094-6
Measurement microphones - Electrostatic actuators for determination of frequency response
Edition
2005-02-24
