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7731

Information - Help 
ID = 6209
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Triode-Pentode 
Identical to 7731
Similar Tubes
Normally replaceable-slightly different:
  ECF82
Other class quality (otherwise equal):
  6U8
Heater different:
  PCF82
First Source (s)
04.Jul.1960 : Electron Tube Registration List 2870
Predecessor Tubes 6U8  

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Parallel, (AC/DC)
Description Premium 6U8. Industrial or instrument service. 
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Tube Lore (I)   
 
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7731: RTT Schwandt
Günther Stabe

 
2870_reg~~3.png
7731: Manufacturer's Literature
Emilio Ciardiello


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