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KF1

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ID = 2339
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to KF1 = VKF1
Similar Tubes
Normally replaceable-slightly different:
  HP220 ; S218
Other base:
  KF1_UX6 ; RES182 ; S210_Tungsram ; SS210
Other base and data slightly different:
  H206D ; HP212
First Source (s)
Nov.1934 : Philips Bulletin # D20
Successor Tubes 1936   KF4  
Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lr) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia   p. 112 & 113
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
kf1_sock.png KF1: RVF-Röhrenbuch-M1
Anonymous 15 Collector
More ...
Just Qvigstad 		kf1_spec.png
KF1: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
Usage in Models 1= 1934 ; 1= 1935?? ; 3= 1935? ; 21= 1935 ; 1= 1936? ; 6= 1936 ; 1= 1937?? ; 5= 1937 ; 1= 1938? ; 4= 1938 ; 2= 1939 ; 2= 1940
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):48

Collection of

Collection of a member from FIN
Tomasz Szczesniak (PL)
Jacob Roschy (D)
Thomas Lebeth (A)
 
kf1_01.jpg

KF1
 
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