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TKF4

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ID = 22780
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to TKF4 = KF4
First year 1936 Tube leaflet collection E.Erb Analysis by original leaflets (T7, V8)

Base Europe side contact base P (P8A)
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =
Description Wir verwenden bei Modellen nur die Grundröhre KF4, denn es ist willkürlich, ob ein Apparat mit KF4 oder der Tungsram TKF4 ausgerüstet ist. 
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
tkf4.jpg
TKF4: My Collection
Danko Tkalec

 
40_6.png
TKF4: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 1= 1938??

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


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