I think you are right. I have 2 PB13s with the sledge and I run them hotter and the AVR "cooler", lower. It seems to help most at higher volumes. The signal is being distorted that much more at higher volume with the AVR trim set higher. I think for easy of use the AVR trim is easier for most. One can adjust on the fly, so to speak.
4/19/12 at 2:01pm