Mullardman
Moderately extreme...
If, like me, you are trying to gain a deeper understanding of how it all works.... the site below seems useful. I haven't read it all, much less understood it.. yet, but he seems to cover most of the issues debated on here.
http://www.st-andrews.ac.uk/~jcgl/Scots_Guide/audio/Analog.html
Mull
http://www.st-andrews.ac.uk/~jcgl/Scots_Guide/audio/Analog.html
Mull