On 10/16/2012 9:21 AM, Tom Fine wrote: > Paul, can't you do this on a mixer by using the pan knob for maximum > music output? On the TDL Restoration Preamp, this kind of adjustment can > be done with the left-side controls. > > http://www.tdl-tech.com/data4010.htm Yes, you certainly can, but for those without that preamp (and I know no other that allows you to do that) doing it in software is usually the easiest option. It also avoids running through the many stages of a typical mixer. And the invert-one-channel and mix for minimum signal trick is, for me, more effective than trying to mix for minimum noise in a non-inverted situation. Peace, Paul