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TE474

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ID = 10306
       
Country:
Great Britain (UK)
Brand: Dario - Impex Electrical Ltd. (see also Dario France); London
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to TE474
Similar Tubes
Normally replaceable-slightly different:
  E447 ; VP4
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

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 1.1 Ampere / Indirect / Specified voltage AC/DC
Information source Babani, International Radio Tube Encyclopaedia   p. 146 & 147
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 179, p. 310
L'ABCDaire des lampes de TSF des jeunes années
Taschenbuch zum Röhren-Codex 1948/49

s_400_g_9.gif TE474: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


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