[BobbyDazzler]

Originally Posted by Dirt_

Sometimes I've had phasing issues when running compressed audio with the original source.

Just for example: Take a lead vocal out of PT into an outboard comp, then re-record it back into PT. Then try to blend those two tracks and see how badly it can phase, even if you "time align" them manually.

I haven't read much of this thread and maybe what I'm explaining has nothing to do with what you're experiencing, just skimmed over it. Sorry if this makes no sense lol!!

There is a good chance that your outboard comp may be doing some phase shifting through its circuits.