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FC4

Information - Help 
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)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Wireless World (The), 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


from Just Qvigstad

Usage in Models 5= 1931 ; 7= 1934? ; 16= 1934 ; 2= 1935?? ; 5= 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):131


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