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EF730

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ID = 20820
       
 
   
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF730 = 3928 = 5636
Similar Tubes
Other class quality (otherwise equal):
  CV3928

Base Subminiatur-8, with space 1/8, B8D
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   

sm50_g_3.gif EF730: RTT Schwandt
Günther Stabe † 19.8.20

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Just Qvigstad
ef730_mullard_data_01.png
EF730: Mullard - original papers
Wolfgang Romeyke

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ef730.jpg

 

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