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A442_UX4

Information - Help 
ID = 54204
       
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 A442_UX4
Similar Tubes
Other base:
  A442

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact screw type
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
45 x 128 x 34 mm / 1.77 x 5.04 x 1.34 inch
Literature - - Manufacturers Literature   
 
a442-ux.jpg
A442_UX4
Peter den Boer

 
a442-a642ux4base_1.png
A442_UX4
Peter den Boer

 
a442-a642data_1.png
A442_UX4: own collection
Peter den Boer



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