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CV2991

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ID = 17680
       
 
   
Tube type:  Triode, vacuum 
Identical to CV2991 = HL2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 2 Volts / If 0.1 Ampere / Direct
Description Metallised glass. 
Information source Taschenbuch zum Röhren-Codex 1948/49   

h2_2.png CV2991: Manufacturer's Literature
Emilio Ciardiello


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