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

DS1_Thermion

Information - Help 
ID = 20701
       
Country:
Netherlands
Brand: Thermion; Netherlands
Tube type:  Screen-grid Tetrode 
  Ca. 1925 up to 1945 rare.
Identical to DS1_Thermion
Similar Tubes
Normally replaceable-slightly different:
  B442
Production stop Feb.1938
Successor Tubes 2-442  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact screw type.
Filament Vf 4 Volts / If 0.085 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   1931
 
ds1thermion_so.png
DS1_Thermion: rtt
Michael Schlör

 
ds1.png
DS1_Thermion: own collection
Peter den Boer


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