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G412

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ID = 15862
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum   Universal 
Identical to G412
Similar Tubes
Normally replaceable-slightly different:
  B409
First Source (s)
Apr.1930 : -- Original-techn. papers. ÖRA Folge 4

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Battery =
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 104, p. 138
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   
Taschenbuch zum Röhren-Codex 1948/49

1_32.png G412: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
g412_spec.png
G412: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Collection of

 
b1~~4.jpg

G412
 

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