Dynochrome , Apologies, soooo busy with the 5150 release so this reply comes a bit late..
I checked what you have written on my Kemper and I see that max has a bit more gain then the 3 ‘o clock ones.
In rigmanager it looks equal (the blocks) but on the Kemper the leds indicate that there’s an bit more gain in the max ones. Not much though..
Most of the time I use a studio EQ in my profiles. Also in the M800 profiles.
There is a difference between the 3 ‘o clocks and the max which can cause a more “in your face” sound so to speak…Maybe it’s that you notice..?
I hope this gives an answer to your question…
I wasn't Speaking of the "Max" profiles but the very first profile in the pack M800A. The profile M800A comments read "gain: Max", While M800 3o'clock that has more gain on the dial comments read : "gain 12:15" Thanks.