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R81Ecran

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ID = 49516
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Screen-grid Tetrode 
  Ca. 1925 up to 1945 rare.
Identical to R81Ecran
Similar Tubes
Normally replaceable-slightly different:
  A442

Filament Vf 4 Volts / If 0.07 Ampere / Direct / Specified voltage AC/DC
Description The brand is Dario. 
Information source - - Manufacturers Literature   not dated

r81ecrandariodatasmall.png
R81Ecran: own collection
Peter den Boer

 

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]
  

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