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CV931

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ID = 48872
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to CV931 = 15

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.24 Ampere / Indirect / Battery =
Information source -- Original-techn. papers.   
Babani, International Radio Tube Encyclopaedia   p. 68 & 69
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

15_3.png CV931: Manufacturer's Literature
Emilio Ciardiello


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