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CV639

Information - Help 
ID = 15651
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to CV639 = VT-73
Similar Tubes
Normally replaceable-slightly different:
  843

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Filament Vf 2.5 Volts / If 2.5 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
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CV639: Manufacturer's Literature
Emilio Ciardiello

 

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