Sound system equipment. Methods for specifying and measuring the characteristics of microphones.
NORM herausgegeben am 30.10.1987
Designation standards: BS 6840-4:1987
Note: UNGÜLTIG
Publication date standards: 30.10.1987
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: British technical standard
Kategorie: Technische Normen BS