Got a the Apple TV sound working. Was an issue with the settings on the ATV.

All sources from HDMI, Opt, to Analog do not get real loud. This is the first system I can play at full volume and not have my wife screaming at me. Never had any other unit in the last 25 years that I could get close to max volume as it was always too loud for my ears.

I'll call Scott when I get back from trip overseas in a few weeks, but curious if this is an known issue with the pre-amp. As Patricks says, I am not the first one to complain about this on this fourm.