Fos87 Posted November 9, 2022 Share Posted November 9, 2022 Hi everybody! I hope you’re we’ll. I am presenting humming problems with my Helix after last update. When I go to rehearsal we use a PA system when the Amp /cab is active makes this humming noise, then when I bypass it disappears. I’ve got another PA at home which is doesn’t happens. So I recon is the PA or the configuration of the Helix with that amp???? Quote Link to comment Share on other sites More sharing options...
rd2rk Posted November 10, 2022 Share Posted November 10, 2022 It only happens with ONE amp on ONE PA? 1 Quote Link to comment Share on other sites More sharing options...
HonestOpinion Posted November 11, 2022 Share Posted November 11, 2022 On 11/9/2022 at 3:44 PM, Fos87 said: Hi everybody! I hope you’re we’ll. I am presenting humming problems with my Helix after last update. When I go to rehearsal we use a PA system when the Amp /cab is active makes this humming noise, then when I bypass it disappears. I’ve got another PA at home which is doesn’t happens. So I recon is the PA or the configuration of the Helix with that amp???? Also curious regarding@rd2rk's question. Does this happen on only one PA and just one amp/cab block? Does this happen on any amp/cab that is cranked? One possibility is that the hum is there but not at a high enough level to detect until you make the amp/cab active. Look to your unshielded pickups, cables, ground loops, bad PA channel, etc... 2 Quote Link to comment Share on other sites More sharing options...
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