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B480

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ID = 7609
       
Country:
France
Brand: Cyrnos (brand) - see also MCB
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to B480
Similar Tubes
Normally replaceable-slightly different:
  1561 ; G2004
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 23

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Direct
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 26, p. 24
Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

b480_so.png B480: rtt
Anonymous 10 Collector


Just Qvigstad
 

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