Apparently I am not thinking of gain right. What is the definition? How does it differ/relate to overdrive and distortion? I have looked in the books and online and can not find a decent definition. I think I understand in the context of gain stages in the pre amp and output curcuits of the amp it is the process of fattening the signal. I mentioned in a thread that it seemed like my Mini Z had a lot of gain - and was told that it this amp does not have a lot of gain. What I meant was it rolls over quickly (like at 9 o'clock)... to get the slur, crunch and dirt sound at a pretty low volume. Thoughts? Clarification so I don't speak out of the wrong end (no guarantee here btw) ...and thanks in advance.