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U30_Ultra

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ID = 20181
       
Country:
Germany
Brand: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin
Tube type:  Gas Triode 
Identical to U30_Ultra

Was used by Radio/TV-reception etc.
Filament Vf 2.7 Volts / If 0.03 Ampere / Direct / Battery =
Description

Heizdaten im Codex: 2,3V/0,8A und 2,7V/0,3A vermutlich falsch.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   und 1951
-- Collector info (Sammler)   H.Wigge, Rundfunktechnisches Handbuch, 1.Teil,1925

u30_data.png
U30_Ultra: H.Wigge, Rundfunktechnisches Handbuch, 1.Teil, 1925, S.174
Anonymous 15 Collector

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

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