I'm using an Maxon OD9 boosting an AMT R2 preamp pedal into Torpedo CAB (class A/B, 6L6, presence and depth 50%, Brit VintC, Knightfall mic in center). Without the EQ the sound is muffled and dark, with the EQ is too shrill ( my settings are: 120 -4, 360 -3, 800 0, 2K +2, 6K +2). What are your...