tag:blogger.com,1999:blog-163956915063920487.post1848742522397405740..comments2024-01-04T18:54:25.344-08:00Comments on akavalve: Fender Champion 600 Free Installation of the Mercury Magnetics Modakavalvehttp://www.blogger.com/profile/12711596868057550892noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-163956915063920487.post-78964510098921138362009-06-29T09:24:31.590-07:002009-06-29T09:24:31.590-07:00I recently installed the merc mod to my 600, but h...I recently installed the merc mod to my 600, but having some issues. At higher volumes, on certain strings and frets, I get harmonics or feedback (just enough to be annoying). Looking for someone familiar with this mod kit that might be able to figure it out. This was my first and last attempt at being an amp tech. mackie@banjotech.comMack McDonaldnoreply@blogger.comtag:blogger.com,1999:blog-163956915063920487.post-43899030377527259602009-01-22T15:19:00.000-08:002009-01-22T15:19:00.000-08:00I don't live anywhere near Boston but if I did I'd...I don't live anywhere near Boston but if I did I'd love to have you install the Mercury Mag upgrade.<BR/><BR/>And I want to say "Thank You" for sharing your knowledge and insite on tube amps here.<BR/><BR/>BruceBrucehttps://www.blogger.com/profile/15109710244322012989noreply@blogger.com