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KC1_4pin

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ID = 746
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Triode, vacuum   Universal 
Identical to KC1_4pin = KL70419 = R1862 = B21_Mazda = LV3_Triotron = LV205 = R215 = 266 = TKC1_4pin
Similar Tubes
Normally replaceable-slightly different:
  1-2 ; A225 ; HL2_Tungsram ; HR2 ; RC210 ; ResistoR2 ; ResistoR4 ; T204_4pin
Other base:
  B240S ; KC1_p8 ; KL70419_p8 ; R208
First year 1934 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Apr.1934 : Funk # 14
Successor Tubes 1936   KC4   KC1_p8  

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.065 Ampere / Direct / Battery =
Description Die ursprüngliche KC1 ist eine Röhre mit Stiftsockel. Wir nennen sie deshalb KC1_4pin.
Es gibt auch eine Topfsockelröhre mit elektrisch gleichen Werten und gleich bezeichnet, die wir als KC1_p8 führen! 
Tube prices 12 Tube prices (visible for members only)
  kc1.png
  KC1_4pin: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
kc1_uo1.jpg
KC1_4pin: Courtesy by FJH
Jacob Roschy

 
kc1_so2.png
KC1_4pin: rtt
Michael Schlör

 
kc1_data1.png
KC1_4pin: Telefunken 1936
Robert Schmalstieg


Usage in Models 33= 1934 ; 11= 1935 ; 1= 1936?? ; 3= 1936? ; 20= 1936 ; 2= 1937? ; 12= 1938 ; 1= 1939? ; 42= 1939 ; 1= 1940 ; 1= 1941 ; 1= 1947? ; 1= 1948 ; 2= 2011??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):131



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