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B443S_B4

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ID = 55150
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to B443S_B4
Similar Tubes
Other base:
  B443S

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Information source - - Manufacturers Literature   Philips Australia
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tubesockel_klein_b443~~1.gif
B443S_B4: RPG Funke
Wolfgang Holtmann

 

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