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R18

Information - Help 
ID = 12883
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Space Charge Tetrode 
  <1925 very rare. ***
Identical to R18

Base Europe "B5 big size" (D, Bigrille) (Codex=Eu)
Filament Vf 3.8 Volts / If 0.36 Ampere / Direct / Battery =
Description

The brand is Radiotechnique

 
Dimensions (WHD)
incl. pins / tip
55 x 110 x mm / 2.17 x 4.33 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1924
 
r18_bild.jpg
R18: Frank Philipse mit freundl. Genehmigung
Felix Schaffhauser

 
tubesockel_klein_bigrillem_3_12.gif
R18: W.H.
Wolfgang Holtmann

 
r18_beschrieb.png
R18: Frank Philipse mit freundl. Genehmigung
Felix Schaffhauser



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