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2Ж42j4

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ID = 66490
       
Country:
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 2Ж4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.275 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   

588~~1.png 2Ж4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad

Collection of

Collection of a member from D
 
2j4.jpg

2Ж4
 

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