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KR7

Information - Help 
ID = 56691
       
Country:
Netherlands
Brand: Oxytron lampenfabrieken, Capucijnenstraat 134, Tilburg
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to KR7
Similar Tubes
Normally replaceable-slightly different:
  1562
Production stop Oct.1930

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / Direct
Information source - - -   
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1562_sock~~2.png
KR7: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

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