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MH4105

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ID = 8671
       
Country:
Great Britain (UK)
Brand: British Tungsram Radio Works Ltd.
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to MH4105
Similar Tubes
Normally replaceable-slightly different:
  ACFC4 ; FC4
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Le) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 152
Babani, International Radio Tube Encyclopaedia   p. 118 & 119
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

mh4105_sock.png MH4105: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
mh4105_spec.png
MH4105: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models 1= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
mh4105.jpg

MH4105
 

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