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EF6bi

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ID = 3366
       
 
   
Tube type:  Vacuum Pentode   Universal 
Identical to EF6bi
Similar Tubes
Other class quality (otherwise equal):
  EF6
First Source (s)
1949 : Rundfunk-Röhren, Ratheiser, 1949
Predecessor Tubes EF6   AF7  
Successor Tubes 1948   EF40  

Base Europe side contact base P (P8A) Top contact with a cap
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description Low hum version of the EF6 with bifilar wounded heater 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Literature Rundfunk-Röhren, Ratheiser, 1949   
 
ef6bif_im.jpg
EF6bi: I.M.
Iven Müller

 
28_38.png
EF6bi: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 1= 1950 ; 3= 1951 ; 1= 1953

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5


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