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4618

Information - Help 
ID = 9717
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 4618
Similar Tubes
Other class quality (otherwise equal):
  E446

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
 
4618.jpg
4618: AH eigene Sammlung
Alexander Hofer

 
13_39.png
4618: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad


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