Hi there. I am thinking of replacing my Thumb's MEC pre-amp with a Bartolini pre (specifically the HR3.3). It's not that I am particullarly unhappy with the MEC, I'm just thinking that the Barts might give me a bit more, I don't know, ummph. It is a 6 string BO. Right now it has a nice "woody" tone to it (and I don't want to lose that). So my question is: Has anyone out there switched out the MEC with a Bart, and how did it change the bass' sound? Thanks.