I have tried using the same phase for all channels and using two separate phases for channels 1-4 and 5-8. Neither seem to work. It's like channels 5-8 are somehow blocked/protected electrically.

I have a problem with the ip control of the Marantz with any crestron processor I use. I am using the module for control via serial command via IP and every now and then (I have not been able to under