jeaxja Posted June 20, 2024 Share Posted June 20, 2024 My practice room is lit by LED spots dimmed by an electronic dimmer. The dimmer produces ground buzz that is transfered through the Helix LT to the AMP OUT even when the Helix is switched off. All other audio device are dead silent, also my old BOSS GT-10B. Obviously there is no ground-lift possible to all audio in an outs. Tape over the ground plug of the helix AC cable and the noise is gone. Of course the dimmer could go, but what if I'm entering a stage with bad ground?! Thus I returned the unit due to this design problem, no other of my audio devices is showing. What a pitty - besides the ground noise problem an almost perfect device! Thus the old BOSS must ride on.... Quote Link to comment Share on other sites More sharing options...
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