tsvisser sez, among other stuff: "The only thing to avoid is ever selecting video AUX as the zone2 source, or else..."
Your approach is perfect. Going back to the original question, this will work perfectly. But so will just taking the Zone 2 output directly to the DA that feeds the several recorders. Why are we still suggesting other ways to do this?
I do appreciate the reference to my earlier work in SpaceBalls. That has sadly been overlooked. But I DO know where the actual place where they got the parts to make the original flux capacitor for Back To The Future!
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw