white noise

Hello everone. My GK plex has a serious white noise problem, which I have tried many ways to solve. I use the GK plex of A03 firmware, and I use the attached official power cord, but the white noise is always there, no matter what I do, it's useless. Even if you toggle life/ground, you can't...

Ok, I've got a 1980 Washburn Force ABT B-10 when I pull active knob. Not there when passive. I get a hissing sound that is there always. Whether I'm playing or just sitting there its fairly loud. Not so loud that you can hear it over playing. It's there whether I am touching strings or bridge...

Hey everyone, so I am on the hunt for a bass amp for my fmc cl 410 (German made cabinet) and I ordered three different heads to try them out with the cabinet. Aguilar AG 700, Fender Bassman 800 and GK Legacy 1200. Out of the three the clarity of the Legacy seems to fit most for what I need at...

Okay, I'm going to describe this the best I can. I have a Markbass LMT800. When the head is plugged into my cab I get occasional shots of static/white noise. It comes and goes and it does it without my bass being plugged in. I've used 2 different cabs, same issue. I also have a Markbass TTE500...