NF EN 61938:1997被替代
Audio, Video And Audiovisual Systems - Interconnections And Matching Values - Preferred Matching Values Of Analogue Signals
出版：Association Francaise de Normalisation
专家解读视频
Applicable to electrical matching values for interconnecting analogue signals among audio, video and AV system equipment. Covers audio but not video signals for broadcasting and similar use. Does not include the 21 contact connector as in IEC 807-9, or matching values for vehicle applications.
SS EN 61938 Ed. 1 (1997) - Identical
I.S. EN 61938:1999 - Identical
IEC 61938 Ed. 1.0 - Identical
NBN EN 61938:1997 - Identical
DIN EN 61938 (1997-07) - Identical
BS EN 61938:1997 - Identical
SN EN 61938:1997 - Identical
BS EN 61938:2013 - Identical
SS EN 61938 Ed. 2 (2014) - Identical
I.S. EN 61938:2013 - Identical
NBN EN 61938:2013 - Identical
