Just got a slightly used SRMS805. Immediately put D'Addario Chromes on it. When I am not muting strings with my fretting hand (as when playing a fast, technical piece where I need to bend the fingers) I get a ghost tone/overtone. I get the note played (vibrating between the fret and the bridge) and also get a note that seems to be from the string vibrating between the fret and the nut. This of course is not as loud but just enough to be annoying. Put the original D'Addario round wounds back on, no change. Seems to be happening mainly on the A, D and G strings and on frets between about 6 and 10. Only way to eliminate it seems to be to get rid of a lot of treble and mids but then the tone is to dark. Anybody got helpful ideas?