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K412

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ID = 56681
       
Country:
Netherlands
Brand: Oxytron lampenfabrieken, Capucijnenstraat 134, Tilburg
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to K412
Similar Tubes
Normally replaceable-slightly different:
  E408N

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct
 
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K412: Telefunken Werkstattbuch
Wolfgang Bauer

 

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