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B605_B4

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ID = 55149
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to B605_B4
Similar Tubes
Normally replaceable-slightly different:
  PV625
Other base:
  B605
First Source (s)
Aug.1930 : Philips Bulletin R1164, p.30

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.12 Ampere / Direct / Specified voltage AC/DC
Information source - - Manufacturers Literature   Philips Australia
L'ABCDaire des lampes de TSF des jeunes années   p. 44
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
Babani, International Radio Tube Encyclopaedia

b4direct_24.png B605_B4
Peter den Boer


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