Thanks a lot for the answer. Sorry bother you again but as you notice I'm really lost. Bu t I made many changes.
I put A 135 doepfer for mixer and vca.
I think the system as 2 Rows one for synths sounds (far away the classics analogue) and row 2 for drums and sampler player.

What you think about this? is more consistent:
ModularGrid Rack

Thanks again