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C1438

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ID = 13880
       
Country:
France
Brand: Cyrnos (brand) - see also MCB
Tube type:  Triode, vacuum   Audio Frequency 
Identical to C1438
Similar Tubes
Normally replaceable-slightly different:
  E499

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.2 Ampere / Indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

b5~~84.png C1438: Fin Stewart
Fin Stewart


Just Qvigstad
 

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