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DDD21

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ID = 40166
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Double Triode   Power/Output 
Identical to DDD21

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 1.2 Volts / If 0.1 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   


Just Qvigstad

Collection of

Collection of a member from FIN
 
ddd21_philips.jpg

 

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