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CV1169

Information - Help 
ID = 9918
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Vacuum Pentode   Power/Output   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to CV1169 = NR45 = VT119_GPO
Similar Tubes
Normally replaceable-slightly different:
  MVS/Pen ; VMP4G

Base British-7-Pin, old (M7A) (Codex=Nc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description

Tube available either plain or with metallised bulb. It is a variable mu type.

 
Information source Babani, International Radio Tube Encyclopaedia   p. 72 & 73
-- Collector info (Sammler)   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

mvspen_1.png CV1169: Manufacturer's Literature
Emilio Ciardiello


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