Thanks! I'll try to explain it better..

For example. I have lead vocal on chael 1 (preamp1) and I want to assign on chael 2 (preamp 2) the same signal passing through chael 1. This for having a copy of the same signal, one assigned on stereo and one assigned only to dedicated mix monitors, creating an independent fader control to manage monitor mix inputs (doing monitors from FoH). Is it possible? Thank you and I hope I explained you better