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6F4

Information - Help 
ID = 4834
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   UHF 
Identical to 6F4 = A2227 = A2298 = A2304
Similar Tubes
Different maximum ratings:
  6L4
First Source (s)
11.Aug.1944 : Electron Tube Registration List

Base Acorn-all-glass, S5B (USA 1934) (Codex=Ah)
Filament Vf 6.3 Volts / If 0.22 Ampere / Indirect / Parallel, (AC/DC) /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

 
6f4_indu_1.jpg
6F4: Private collection
Emilio Ciardiello

 
6f4.png
6F4: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

 
6f4.png
6F4: RCA Transmitting Tubes TT-5
Emilio Ciardiello


6F4*Box
   

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