i bought an am dlx p bass used about 2 years ago. i was so starstruck by the bass it never occured to me it had problems. I frequently get a static-like sound coming from the bass, which can be corrected by smacking the mid control pot. I've taken in to the shop twice; both times I got a quick fix ("tightening" the pots ) and the problem returned a couple of weeks later. Has anyone else had this problem, and if so, how was it permantly corrected? So far the only option i see is switching out the eq. Thanx in advance for any replies.