From: phil_a@tpg.com.au   
      
   "Alex Pogossov"   
   >>>   
   >>>>> If I understand correctly, the main feature of a beam tetrode is the   
   >>>>> same pitch and alignment of the control grid and screen grid.   
   >>>>   
   >>>>   
   >>>> ** That is a design feature of the  POWER PENTODE  too   
   >>>> -  you retarded imbecile.   
   >>>   
   >>> The above statement is either bullshit or incorrect.   
   >>   
   >>   
   >> **  Fraid it is an ABSOLUTE FACT   -  you retarded jerk.   
   >>   
   >>   
   >>> In EL84, pitch of the screen grid is about 3 times larger than that of   
   >>> the control grid.   
   >>   
      
    ** Post some pics.   
      
     Looks like the ratio is exactly 2:1 on the samples I have.   
      
      So the shadowing idea still applies.   
      
      
   >> In a power pentode, the screen has to sit in the "shadow" of the control   
   >> grid or else screen current goes through the roof.   
   >>   
   >> As it happens, the screen current of the EL84 is particularly low.   
   >   
   >   
   > It is low only because the screen grid is not that dense.   
      
      
   ** Your fucking mad assumption  -  not fact.   
      
    The EL84 simply has no beam plates, it is constructed like a power pentode.   
      
    End of story.   
      
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)