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CV1172

Information - Help 
ID = 9919
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to CV1172 = NR51
Similar Tubes
Normally replaceable-slightly different:
  VP4A_7pin

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 1.2 Ampere / Indirect
Description

Glass metallised bulb.

 
Information source History of the British Radio Valve to 1940   P. 150 & 196
Babani, International Radio Tube Encyclopaedia   p. 156 & 157
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

9a1.png CV1172: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
cv1172nr51_1_1.png
CV1172: Manufacturer's Literature
Emilio Ciardiello

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