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B242_UX4

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ID = 55130
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Screen-grid Tetrode 
  Ca. 1925 up to 1945 rare.
Identical to B242_UX4
Similar Tubes
Other base:
  B242

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact screw type
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Literature - - Manufacturers Literature   Philips Australia
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a442-a642ux4base_1~~1.png
B242_UX4
Peter den Boer

 

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