The new AZ Series shares nothing with the old ES line. Dealing with a client now in which we replaced a dying marantz. No IP/ RS232 nor IR codes from RTI database are working. This receiver has been out since spring. I am going over Wednesday with my IR learner to see if I can get volume / source working, which is all I need. 2hr round trips and no paid invoice because of this .
I may be schizophrenic, but at least I have each other.