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4K30

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ID = 15219
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum   Power/Output 
Identical to 4K30
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.3 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
tekade4k30.jpg
4K30: Thorsten Brandenburg
Anonymous 467 Collector

 
s_0_g_2.gif
4K30: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
4k30_spec.png
4K30: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Collection of a member from D

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