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CV409

Information - Help 
ID = 30294
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Screen-grid Tetrode   Power/Output 
Identical to CV409 = A1820

Base Loctal-8, B8G (Sylvania, 1938) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.95 Ampere / Indirect / Specified voltage AC/DC
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 216
-- Original-techn. papers.   
 
cv409_1.png
CV409: Manufacturer's Literature
Emilio Ciardiello

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