Finally got the voltage and mA correct and no longer have buzz. Noise Gate is present but not needed (yet) in this stereo config to a Fender Deville and Marshall JVM 410C.
Testing Noise Gate Pedal Release Times to See who's FASTEST!
Donner Noise Gate Pedal, Noise Killer Guitar Pedal Noise Suppressor Effect 2 Modes for Electric Guitar and Bass True Bypass