I have recently traded into a highly modified Fender Jazz 5 Active bass but am totally unfamiliar with the pups. They look like standard jazz bass pickups but there are no pole pieces exposed and they have holes where the poles should be but only about a sixteenth of an inch deep. The pickups are not active and the preamp is only 9 volts, does anybody know anything about these pups? They sound tremendous and i have no plans to replace them but as I am new to Fender and unfamiliar with such things I could really use some help.
