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K30

Information - Help 
ID = 7948
       
Country:
France
Brand: Métal; France (tubes)
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to K30 = 1562
First Source (s)
Dec.1928 : L'Histoire Singulière du Tube Radio; G. Duperray 2009

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Juin 1929
 
k30_metal_ph1.jpg
K30: Patrice ZEISSLOFF
Patrice Zeissloff

 

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