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420_deForest

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ID = 60573
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to 420_deForest = UX120

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1.3 Ampere / Direct / Battery =
Description

Tube designed for last audio stage

 
Dimensions (WHD)
incl. pins / tip
25 x 32 x mm / 0.98 x 1.26 x inch
Information source 70 Years of Radiotubes and V.   Page 166


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