I've got a friend who has all sorts of synths. Some with keys, some just rack versions. Some mono, some stereo, some with multiple outputs and even others with inputs. I think the final count of total possible audio outputs was somewhere in the 60 channel range. But that includes a couple samplers with 8 outputs each and some devices where the additional outputs would probably not be used. So we could shrink that number down probably to 40 something. Anyway, just recently he aquired a space where he can put his whole collection together. My challenge is hooking/wiring it all up. I do love a good complicated wiring challenge but this is a bit daunting. Using just the equipment he has, my plan so far is to send every output to a couple half-normalled patch bays which route the signals to a trio of 8 channel rack mount mixers that he has. Then routing the stereo outs of those mixers to a fourth mixer. The reason for the patch bays is so that if needed any signal can be patched to an effect or some other sort of device. I was just wondering if anyone has tackled anything similar and if so, what your solution was. Or if anyone has any idea on what could be done differently.