Hi Joe,
I tried everything mentioned above and still got the buzz in the DSP & DSP+FX bypass modes. I didn’t get it when I went to Relay bypass, but it colored my sound which is weird because it is supposed to be true bypass. Here is another crazy thing. The buzz only happens when I play a C note in different places on the fretboard. It doesn’t happen with every C note just in certain places. Go figure.
