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R50

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ID = 14639
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to R50

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 3.8 Volts / If 0.1 Ampere / Direct
Description

The brand is Radiotechnique. The full name is Micro-Ampli R50. Used for LF amplification.

 
Dimensions (WHD)
incl. pins / tip
45 x 110 x mm / 1.77 x 4.33 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1925
 
r50tubesmall.jpg
R50: own collection
Peter den Boer

 
r50data1small.png
R50: own collection
Peter den Boer


Usage in Models 1= 1925 ; 1= 1926? ; 4= 1926 ; 2= 1927

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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