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R5

Information - Help 
ID = 22010
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Triode, vacuum 
  <1925 rare.
Identical to R5
First Source (s)
1923 : Saga of the Vacuum Tube, Tyne p407,408

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.8 Volts / If 0.7 Ampere / Direct / Battery =
Description

The brand is Radiotechnique

 
Dimensions (WHD)
incl. pins / tip
38 x 110 x mm / 1.50 x 4.33 x inch
Literature - - Manufacturers Literature   1924
 
r5.jpg
R5: A. De Poi's collection
Alessandro De Poi

 
e4_sockelbild_2.png
R5: Eigene Röhren-Vergleichslisten
Felix Schaffhauser

 
r5_kennlinien.png
R5: Frank Philipse mit freundl. Genehmigung
Felix Schaffhauser


Usage in Models 1= 1922 ; 1= 1924 ; 1= 1925?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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