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6K4_USA

Information - Help 
ID = 4991
       
 
   
Tube type:  Triode, vacuum   UHF 
Identical to 6K4_USA = SD-834
Similar Tubes
Different connections:
  5897 ; 5977 ; 6778
Other base and data slightly different:
  CK608CX
First Source (s)
23.Nov.1945 : Electron Tube Registration List
Predecessor Tubes 6J5  
Successor Tubes 5703   5977   6946   5897  

Base Wires Wires only
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect
Description Subminiature triode, variant of 6J5 with T3 subminiature bulb; 5 flying wires from the base. As oscillator operates up to 1.5GHz. 
Tube prices 1 Tube prices (visible for members only)
Literature - - Manufacturers Literature   
Tube Lore   
 
6k4_sylvania.jpg
6K4_USA: Eigene Sammlung
Aldo Patriarca

 
6k4_sockel.png
6K4_USA: Essential characteristics
Peter Hoddow

 
6k4_data_a.png
6K4_USA: Sylvania Manual
Heinz Höger



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