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4S120

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ID = 12345
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 4S120 = E442S = RENS1204 = H4080D
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin (O5A, B5) (Codex=Fc)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
4s120.jpg
4S120: R. Aufils
Raynal Aufils

 
4s120_sock.png
4S120: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 
4s120_spec.png
4S120: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Collection of a member from D

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