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40S

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ID = 22953
       
Country:
Austria
Brand: AKA; Austria (tubes)
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 40S
Similar Tubes
Normally replaceable-slightly different:
  RENS1819

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect
Information source Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   


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