A perennial question is “do I really need a buffered multiple to connect to my oscillators?” The correct answer is “it depends” because there’s so many variables with the way different modules were designed. I figured it was time to flesh out those details so it didn’t seem like so much voodoo.
Sometimes, you need to send a signal to more than one place. With Eurorack in particular being a small format to begin with, it’s not common for a module to have multiple outputs to cover you, so you need to find a way to split the signal yourself. There a few ways to do it, some with disadvantages you may not have been aware of.