On the Amp side. Then , the cut off happened on the other monobloc.
Also I tried an another rca cable (Blue Jeans Cable LC-1). No progress.
I will try again with the Yamaha by itself. No Emotiva.
Will see.

M80v2-VP150v2-2xQS8-2xM22i-EP600v2 Emotiva MPS-1 Yamaha RX-V2400 Infocus screenplay 5700