radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

20_DeForest

Information - Help 
ID = 30565
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Developer: DeForest-Tubes 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 20_DeForest

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Direct
Description

initially sold as a "soft" tube, but later it was a "hard" tube (getter).
It is now believed that the pictured tubes in Tyne, p.128,Fig.7-24, are in fact DV6 and DV6A.

 
Tube prices 1 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   p.126,128

uv_triode_tube~~10.png 20_DeForest: Fin Stewart
Fin Stewart


Just Qvigstad
 
usa_deforest_20_tube.jpg

 

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]
  

Data Compliance More Information