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CV2977

Information - Help 
ID = 17678
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Triode, vacuum   Audio Frequency 
Identical to CV2977 = H2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.1 Ampere / Direct
Information source Babani, International Radio Tube Encyclopaedia   p. 86 & 87
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 40
Taschenbuch zum Röhren-Codex 1948/49

h2.png CV2977: Manufacturer's Literature
Emilio Ciardiello


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