I apologize in advance for this inanity, but two of my basses have Barts (one with a P-J setup and with a Bart preamp, the other with a Bart MM and an Aguilar pre, neither with adjustable internal pots) and neither bass puts out a whole hell of a lot of volume. In fact, I have to couple my Fodera 200 pre with each in order to produce enough volume. These are the only two of my basses which seem to be noticeably more "quiet" in terms of output. The question is, has anyone had this issue or do I simply exist on some sort of bizarre, extrastellar plane somewhere else?!?