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4A1_Tetrode

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ID = 12329
       
Country:
Belgium
Brand: Ultron (tubes)
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 4A1_Tetrode = E462

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

4a1tetrode_so.png 4A1_Tetrode: rtt
Anonymous 10 Collector


Just Qvigstad

Collection of

 
ultron_4a1.jpg

 

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