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PH256

Information - Help 
ID = 56188
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to PH256 = PH56 = 56 = 256

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect
Information source - - Manufacturers Literature   1932
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56_sock~~1.png
PH256: TFK Werkstattbuch
Wolfgang Holtmann

 

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