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ID = 25457
Developer: GEC, General Electric Co.; London 
Tube type:  Triode, vacuum   Universal 
Identical to UX-201-A_Japan = CX301A = AX201A = D401A = UX201A = 101A
Similar Tubes
Other shape (e.g. bulb type):
First year 1925 Radios von gestern, 2. Auflage

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 47 g / 1.66 oz
Information source -- Collector info (Sammler)   
UX-201-A_Japan: KoBi
Konrad Birkner † 12.08.2014

More ...
UX-201-A_Japan: ARRL Handbook 1972
Michael Schlör


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