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RES044

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ID = 28
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to RES044
Similar Tubes
Normally replaceable-slightly different:
  S4
Heater different:
  RE034s ; RES044s
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Er) Top contact screw type
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
res044_telefunken.jpg
RES044: Sammlung
Anonymous 557 Collector

 
res044.png
RES044: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 
res044_spec.png
RES044: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 5= 1928 ; 1= 1929? ; 4= 1929 ; 2= 1930 ; 1= 1931 ; 1= 1932?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14


Collection of a member from D
Collection of a member from D

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