hi all! i recently upgraded my pups and elecronics. i got bartolini mk4cbc pickups(passive) and aguilar obp 3 electronics. i have to say its amazing it just make my instrumet alive! but i have a problem....... each pup have much more volume when play by himself then when i balance them bouth ther is a huge drop in volume. any suggestions? i'll be glad if any one can help.