Recent content by Frazertech

I just bought a Fender Geddy Lee Jazz Bass with a J Retro Preamp installed. When I take my hands of the strings, bridge, or control plate, I get a nasty hiss. The more I boost the highs, the worse it gets. When I turn the amps tweeter off, it's not too bad. I use a SWR Workingpro 12 at...