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21JS6

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ID = 57840
       
 
   
Tube type:  Beam Power Tube 
Identical to 21JS6
Similar Tubes
Normally replaceable-slightly different:
  21JS6A

Base Duodecar 12-pin, B12C Glass (USA 1961)
Filament Vf 21 Volts / If 0.6 Ampere / Indirect
Information source -- Collector info (Sammler)   
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Just Qvigstad

Collection of

 
21js6_23js6a_p2_s.jpg

21JS6
 

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