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R412

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ID = 14653
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum 
Identical to R412
Similar Tubes
Normally replaceable-slightly different:
  M350

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.12 Ampere / Direct / Battery =
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
tungsram_r412_bild1.jpg
R412: R.Osterkamp
Rudolf Osterkamp

 
r412_sock.png
R412: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 


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