The most difficult thing I found was knowing what to listen for when I screwed things up, err, I mean made an adjustment. I'm not referring to gross break-up distortion. That's easy. It's how the many adjustments interact and how they relate to the ease, focus, coherence, L/R balance, top to bottom frequency balance and sibilance. It can be very elusive and frustrating for the beginner. Repeat, repeat, repeat until it's right and then do it again until it's not "good enough" anymore because there are no doubts, you've done it that good. If you're a beginner and you've done it right, it wasn't easy. If you're a beginner and you've done it easy, it isn't right.
