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RT636

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ID = 49352
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to RT636
Similar Tubes
Heater different:
  R36
Other base:
  RT636_6pin
First year 1927 Saga of the Vacuum Tube, Tyne pp 404-406

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 2 Sidecontacts.
Was used by Radio/TV-reception etc.
Filament Vf 0.6 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Description

The brand is RT-Dario. This is an early AC tube, dated 1927.

 
Information source - - Manufacturers Literature   not dated

f_dario_rt636_sockel.png RT636: Dépliant Dario
Mark Hippenstiel


Just Qvigstad
rt636datasmall.png
RT636: own collection
Peter den Boer

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