Compensating multi-stage feedback (was: RE: all tranny vca+ )

[Don Tillman]

   Date: Sat, 01 Jul 2000 16:44:21 -0400
   From: Harry Bissell <harrybissell at prodigy.net>

   I think (flamesuit ON) very few of the people in the world can hear
   the distortion in an audio system unless it is GROSS.  Usually the
   speakers are far worse than anything else in the audio path! 

[Blowtorch on...  whahishhhhhhhhhhh...]

Your argument assumes that all distortions of a certain measured
amount have roughly the same effect on the listening experience,
regardless of the process that causes the distortion.  You know that's
not true; 0.001% of one type of distortion could be especially awful
while 5% of another type of distortion might not be a problem, or in
some instances might actually be an improvement.

The process that creates opamp distortions is nothing like the process
that creates speaker distortions, so their characteristics will be
completely different.  Personally I'd place opamp distortion in the
nails-on-a-blackboard 0.001% catagory.

[blowtorch off :-)]

  -- Don

-- 
Don Tillman
Palo Alto, California, USA
don at till.com
http://www.till.com