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ID = 12732
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Developer: Hivac Ltd.; Harrow-on-the-Hill 
Tube type:  Screen-grid Tetrode   Power/Output 
Identical to FY
First Source (s)
1936 : History of the British Radio Valve to 1940 p. 192

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

s_437_g.gif FY: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


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