Members lrtannermoe@hotmail.com Posted February 24, 2017 Members Share Posted February 24, 2017 I have a mackie power mixer and it produces a crazy hiss/crackling sound. I do the fx bypass and it's gone. I tried to put in an external fx unit which bypasses the internal fx, but it didn't work.. still hisses and crackles. It's intermittent... once in a while it works fine...and then it comes back. Any trouble shooting ideas. It's a ppm808. Link to comment Share on other sites More sharing options...
Members onelife Posted March 12, 2017 Members Share Posted March 12, 2017 Are you tech savvy enough to open the unit and reseat the effects daughter board? Link to comment Share on other sites More sharing options...
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