I'm looking for an articulate simple amp, that covers a wide range. I do get into heavier territory as well, ala 80's thrash, and some drop-D tunings. How TIGHT and focused will this get for the heavier stuff, with a boost?? I have several boost pedals, as well as EQ's in the loop, etc. A lot say it's a take on the Jubilee. How accurate is that? It seems as though it will cover the ground I'm after, but I'm concerned about it being too flabby on the bass end of things. I'm running a Marshall 1960A 4x12, BTW.