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CV877

Information - Help 
ID = 9890
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to CV877 = 7A7 = 7A7LM

Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 7 Volts / If 0.32 Ampere / Indirect
Description Both 7A7 and 7A7LM accepted under this spec. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
7a7.png
CV877: Manufacturer's Literature
Emilio Ciardiello

 

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