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OC

Information - Help 
ID = 76300
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Developer: Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris 
Tube type:  Triode-Tetrode   Frequency converter 
Identical to OC = Micro-Bigrille_OC
Similar Tubes
Other characteristic (electr. data):
  R43

Base Europe "B5 big size" (D, Bigrille)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct / Battery =
Description

For more information please look at Micro-Bigrille_OC.

 
Text in other languages (may differ)
 
bigrille_f~~1.png
OC: W.H.
Wolfgang Holtmann

 

Usage in Models 1= 1927 ; 1= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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