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347

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ID = 10813
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Power/Output 
Identical to 347

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Filament Vf 2.5 Volts / If 1.7 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

347.gif 347: AH eigene Sammlung
Alexander Hofer


Just Qvigstad
c-347cunningham.png
347: Vintage Electronic catalog
Geri Meier

Usage in Models 1= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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