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4EH7

Information - Help 
ID = 4421
       
 
   
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 4EH7 = LF183
Similar Tubes
Heater different:
  3EH7 ; 6EH7 ; EF183 ; XF183
First Source (s)
29.Feb.1960 : Electron Tube Registration List

Base Noval, B9A
Filament Vf 4.4 Volts / If 0.45 Ampere / Indirect / Series, AC/DC /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   

  4eh7.png
  4EH7: Internet
Miguel Angel Trujillo-Rodriguez
 
4eh7dumontcanada.jpg
4EH7: 4EH7
Vitor Oliveira

 
4eh7_basediagram.png
4EH7: 4EH7
Vitor Oliveira

 
4eh7_techdat01.png
4EH7: RCA Tube Manual
Peter Hoddow


Usage in Models 1= 1965?? ; 1= 1967?? ; 1= 1968?? ; 4= 1970?? ; 1= 1978?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

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