So, I've got a Markbass F1 head, and two Bergantino AE210 cabs with an '08 MIA Fender Jazz. No effects or anything else. I play with my fingers, right over the bridge pickup on the Jazz. Stainless steel Hi-Beam strings. I get plenty of low end, high end, and upper mids coming through with this setup, but I just can't seem to get enough low mids for my tastes. I alternate between running the head absolutely flat with none of the filters on, and running bass and low mid at 11 o'clock, and high mids and high at 9 o'clock, which does seem to bump the lower mids a bit. Tweeter is set at about 35% for both cabs. Based on the gear, can anyone shed some light on the problem, be it bass, head, or cabs, or EQ. More importantly, is there something I can do to solve the problem.