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56  
Country:  United States of America (USA)      Brand:  Common tube type USA 
  Tube type:  Triode, vacuum   Universal 
Identical to 56 = A256 = G56
Similar Tubes 76 (Heater different)   6P5G (Other base and other base diagram)  
First Source (s) 1932 : The AWA Review Vol. 7, 1992.
Jun.1932 : -- Collector info (Sammler)
Predecessor Tubes 27  
Successor Tubes 76   6P5G  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 1 Ampere / Vf 2.5 Volts /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49