From: jlgotham@gmail.com   
      
   This is the circuit diagram of a EF86 preamplifier.   
      
   https://imageshack.com/i/mv8j8lg   
      
   https://imageshack.com/i/2h7pog   
      
   https://imageshack.com/i/1a2xf8g   
      
   https://imageshack.com/i/5mdk3ng   
      
   Then I found a circuit that is claimed to be the same circuit, but how come 5   
   tubes (below) vs. 6 tubes (above -- stock / original)?   
      
      
   https://imageshack.com/i/3uzdfg   
      
   Are they really the same?   
      
   Thank you!   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)