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   rec.audio.tubes      Tube-based amplifiers... that go to 11      52,877 messages   

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   Message 51,291 of 52,877   
   Don Pearce to flipper   
   Re: Distortion products   
   03 Apr 11 08:39:55   
   
   From: spam@spam.com   
      
   On Sun, 03 Apr 2011 03:32:50 -0500, flipper  wrote:   
      
   >>Let me put this as few words as the subject will allow. Global NFB is   
   >>capable - through intermod - of generating tiny amounts of higher   
   >>harmonics where none existed. And I do mean tiny. These higher   
   >>harmonics are, in practice always swamped massively by naturally   
   >>occurring higher harmonics. These higher harmonics respond normally to   
   >>the application of NFB and are reduced proportionately to the ratio of   
   >>open loop to closed loop gain.   
   >>   
   >>So no, NFB does not cause higher harmonics to increase.   
   >>   
   >>d   
   >   
   >I'll be even more brief. Your 'intuition' is incorrect.   
   >   
   >Read Baxandall's paper.   
      
   Nicely argued. I clearly stand corrected.   
      
   d   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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