Originally Posted by GregLee
Originally Posted by JHAz
But in music reproduction, amp-as-equalizer seems a less than ideal approach to me.
But in this discussion, it shows that substituting an amp with greater distortion may improve the fidelity of the sound reproduction system, if the distortion corrects for another distortion elsewhere in the system.
There are nearly an infinite number of different kinds of distortion in an infinite number of different degrees.
There is really only one practical way to reliably correct distortion generated by an audio component and that is with a specially adjustable compensation, tailored for each particular application and distortion.
The idea that one off-the-shelf audio component will be suitable to adequately compensate for some other essentially randomly selected audio component is a flight of fantasy.
You could mix and match components for the rest of your life and not even make a tiny dent into the problem.
There is a special class of components called equalizers that are designed to be used to reduce overall system linear distortion. However, they still have to be carefully adjusted for each application. This is often best done using test equipment. They also don't address nonlinear distortion. Theoretically a DSP could be developed to compensate for both linear and nonlinear distortion. However the better approach is to first minimize the distortion in equipment by more conventional means.
Audyssey, MCACC and YPAO are examples of equalizers for reducing system linear distortion that essentially adjust themselves under the control of a built-in computer,