radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

420_deForest

Information - Help 
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
 

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg