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844

Information - Help 
ID = 12467
       
Country:
United States of America (USA)
Brand:
Tube type:  Screen-grid Tetrode   Power/Output 
Identical to 844

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hc)
Was used by Transmittertube (Radio)
Filament Vf 2.5 Volts / If 2.5 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
rca_844_jc.jpg
844: Jim Cross collection
Fin Stewart

 
844_so.png
844: ARRL Handbook 1972
Michael Schlör

 
844.png
844: RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez


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