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FC4

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ID = 9324
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  OCTODE   Frequency converter 
Identical to FC4
Similar Tubes
Normally replaceable-slightly different:
  AC/OC4 ; MH4105 ; O407 ; VO4
Other base:
  AK1
Base British-7-Pin, old (M7A) (Codex=Neo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
The Wireless World, London (WW, 79)   
 
fc4_01.jpg
FC4: Collection TL
Thomas Lebeth
 
fc4.png
FC4: Vademecum Lamp Elektronowych - Warszawa 1957
Anonymous 987 Collector
 
fc4_techdat01.png
FC4: Mullard Valves 1936
Peter Hoddow
Usage in Models 5= 1931 ; 7= 1934? ; 16= 1934 ; 2= 1935?? ; 2= 1935? ; 29= 1935 ; 7= 1936? ; 39= 1936 ; 2= 1937? ; 15= 1937 ; 4= 1938
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):128
Collection of a member from D
Collection of Thomas Lebeth (A)
Collection of Rudolf Osterkamp (D)
Collection of Frank Cuffe (IRL)
Collection of Wolfgang Thiel (NZ)
Collection of Tomasz Szczesniak (PL)
Collection of Bartosz Szwed (GB)
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