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U6

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ID = 17838
       
Country:
Italy
Brand: Marconi Italiana (Marconifono), Officine / Ufficio Marconi; Genova, Roma
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 very rare. ***
Identical to U6 = CV3744
Similar Tubes
Other shape (e.g. bulb type):
  U6_MOV

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 6 Volts / If 2 Ampere / Direct
Description

Va<1000, Ia<80mA mean.

Data for this tube is shown as that of the U6_MOV, made in England. This tube was clearly made in Italy and may not be the same as the British tube is bigger in size and with a "L4" base. Data and other information is needed to correct this anomaly.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
- - Manufacturers Literature


Just Qvigstad

Collection of

 
u6_marconi.jpg

 

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