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ID = 22222
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Universal 
  Late but no serial production. For instance only development samples. *****
Identical to EC1
First year 1935 - - Manufacturers Literature
First Source (s)
Sep.1935 : Philips Bulletin Monatsheft 29
Production stop Sep.1935
Predecessor Tubes EC2  
Successor Tubes 1936   EBC3  

Base Europe side contact, small P5 (Au V, 5E) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.18 Ampere / Indirect / Specified voltage AC/DC

Von Philips im September 1935 vorgestellt, aber nicht in Serie produziert,
mehr unter: September 1935 : die beinahe-schon-Rote-Serie von Philips !
Weitere Daten siehe unter EF4


ec1_s35_sc.png EC1: Philips Monatsheft 29, September 1935
Jacob Roschy

Just Qvigstad
EC1: Philips Monatsheft 29, September 1935
Jacob Roschy

Collection of



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