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CV1800

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ID = 17637
       
 
   
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to CV1800
Similar Tubes
Other class quality (otherwise equal):
  1A7G

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   

1a7.png CV1800: Manufacturer's Literature
Emilio Ciardiello

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