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4CM4

Information - Help 
ID = 21711
       
 
   
Tube type:  Triode, vacuum   UHF 
Identical to 4CM4 = PC86
Similar Tubes
Heater different:
  6CM4
First Source (s)
09.Mar.1959 : Electron Tube Registration List

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 3.8 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
 
no79_g_1.gif
4CM4: RTT Schwandt
Günther Stabe † 19.8.20

 

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