If you follow the system design criteria as spelled out in the system engineering notebook, there is no reason you should fail a POP, if so you have a design issue. no matter where you may have worked. Also if you change the output padding and do not remember ther values you cannot get this amplifier back to factory settings. unless you bench sweep it.
This is CABL.com posting #133042. Tiny Link: cabl.co/mIL0