Thanks for the attempt at least
I have the X3 user manual, and I know that somewhere is a schematic.
Since it's an out of production device, from a company that seems to have shuttered, I'm hoping someone will share.
Of course L.A. ppl may have other things on their mind today.
I was on the phone with someone there too distracted and debating about best time to leave for home to talk about a software patch that I needed.
Nothing to do with the mixer, which is very analog