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BK22_7-pin

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ID = 72482
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to BK22_7-pin
Similar Tubes
Other base:
  BK22

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.13 Ampere / Direct / Battery =


Just Qvigstad

Collection of

Collection of a member from GB
 
dario_bk22.jpg

 

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