Welcome to the forums Ciao303. You've triggered a lot of 'spam antennae' with your first post here, but I've allowed it through our vetting process on the basis that English probably isn't your first language and I like to give people the benefit of the doubt...
ciao303 wrote:If I have 5-6 studio sound cards, an analog mixer and a digital mixer and 5-6 pairs of studio monitor speakers, what kind of patch bay do I need to connect 6 sound cards that will select the analog mixer or digital mixer and I would like the analog mixer and digital mixer connected to another patch bay that will select 1 pair out of 5-6 pairs of studio monitor speakers at one time.
I'm not sure what you mean by 'sound cards' by I'm going to assume you mean sound-generating modules or synths of some kind, or possibly computer audio interfaces. Either way it doesn't matter. All you need to do is add up the number of individual sound source channels you have, the number of destinations (inputs to mixers), and then find a patch-bay panel with more than that number of sockets. It really isn't rocket science. Same with the mixer outputs and monitor speaker destinations.
The Samson S-Patch+ seems to get a lot of recommendations around here, not least because it is easy to reconfigure the normalling options.http://www.samsontech.com/samson/products/processors/s-class/s-patch-plus/
You might find these articles on patchbay configurations of help:https://www.soundonsound.com/techniques/studio-installation-workshop-patchbayshttps://www.soundonsound.com/sound-advice/low-down-analogue-interfacing