
The relation between the sone scale of loudness and the phon scale of loudness level.
NORM herausgegeben am 14.11.1958
Designation standards: BS 3045:1958
Note: UNGÜLTIG
Publication date standards: 14.11.1958
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS