Heres some more data for you: I'm on a V 35 and use fat mode on Channel 1 with no eq , gain and treb around 11 (o'clock) , mid around 2, bass and presence depends on volume and room. Ch 2 is set for Santana ish lead on IV mode, Gain noon-3, treble 9, mid 3, bass 8, presence 10 and eq on with a...