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R122

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ID = 61827
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Vacuum Pentode   Universal 
Identical to R122 = PTT202
Successor Tubes R122N  

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Military and/or Government
Filament Vf 18 Volts / If 0.225 Ampere / Indirect / Specified voltage AC/DC
Description

Langlebensdauer Weitverkehrsröhre (Poströhre)

 
Text in other languages (may differ)

ptt202c_r122n_culotr~~1.png R122: Technique de l'ingénieur
Patrice Zeissloff


Just Qvigstad

Collection of

 
r122_rt_mg_noire_p01_s.jpg

R122
 

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