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DR40

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ID = 56690
       
Country:
Netherlands
Brand: Oxytron lampenfabrieken, Capucijnenstraat 134, Tilburg
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to DR40
Similar Tubes
Normally replaceable-slightly different:
  506
Production stop Oct.1930

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct
 
17_46~~1.png
DR40: Telefunken Werkstattbuch
Wolfgang Bauer

 

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