badben84 Posted March 17, 2017 Share Posted March 17, 2017 Hello, My spider IV 30 can't work anymore. When I switch on the Amp there is a big noise like a big bass buzz. All volume potentiometers are useless. I also disconnected the speaker and I got the same issue on my headphones. Any ideas? It can be the power circuits or the Head circuits. Thanks. Quote Link to comment Share on other sites More sharing options...
fflbrgst Posted March 20, 2017 Share Posted March 20, 2017 Have you tried a factory reset? Hold the 'A' button in as you turn on the amp. Quote Link to comment Share on other sites More sharing options...
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