Distortion test record St 33 and St 45 (331/3 or 45 rev/min; stereo).
STANDARD published on 1.2.1969
Designation standards: DIN 45542:1969-02
Publication date standards: 1.2.1969
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: German technical standard
Category: Technical standards DIN
Verzerrungs-Meßschallplatte St 33 und St 45.