Cant seem to find a great sound from my really nice Lull m4v. gigged a bunch with it, changed a string, still just a bit too bright. I really love the way this thing plays, love it! but can't seem to dial in the right umph of bass while still retaining a nice j bass punch. any thoughts?? strings i should try?? settings?? swap out the fralins for something?? install an agular pre instead of the stock bart?? if anyone has any ideas please let me know. thanks so much.