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RK22

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ID = 8201
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to RK22 = 3B23 = 38222
Similar Tubes
Heater different:
  RK19

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bn) 2 Top contacts.
Filament Vf 2.5 Volts / If 8 Ampere / Half indirect
Information source Tube Lore (II)   p. 182 & 219
Tube Lore (I)   
Taschenbuch zum Röhren-Codex 1948/49

rk22_so.png RK22: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
rk22.png
RK22: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez

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3b23_rk_22~~1.jpg

 

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