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F704_UX4

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ID = 23071
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to F704_UX4 = UX250 = PH250 = EX650
Similar Tubes
Other base:
  F704

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct
Literature - - Manufacturers Literature   Philips Australia RIF26
 
philipsf704.jpg
F704_UX4: Philips
Jose Vigil

 
ux4_11.png
F704_UX4
Peter den Boer

 
f704c603f203data.png
F704_UX4: own collection
Peter den Boer



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