RawDepth said:About the only thing I can think of off hand where an unbalanced patch bay would be useful is for a whole row of single channel inserts on mixers. They are unbalanced on almost every mixer.
Also, some mixers use single jacks for stereo aux returns. They are wired like a headphone jack with tip being (maybe) right and ring being left. A balanced bay might present more of a challenge for that if your stereo effect comes out two different jacks.
Just a thought.