onanisland Posted May 6, 2017 Share Posted May 6, 2017 I use my Helix to do various things and one of them is to use my PRS Archon 100 watt head with my Helix. I have PRS Archon 100 (running at 50w) into a Suhr Reactive Load at 8ohms. The RL output is a 1/4 TS unbalanced signal which goes into Helix Return 2 (set to line level). I have send 1 set to instrument which then feeds into the PRS amp input. Problem is I get a buzz when the loop is activated (send 1 into return 2). The issue seems to be with USB grounding. If I disconnect the USB cable the hum/buzz goes away and I can use the Helix as a pre/post FX center with my PRS head while Helix. I was considering a XHum adapter but wasn't sure if that should go on the Helix, the PRS head or my computer. Right now the only way I can record with Helix is to just use Return 2 with the guitar going right into the PRS head but that means I can't use any effects pre, only post efx (delay, reverb and such). Ideas? Quote Link to comment Share on other sites More sharing options...
AlexKenivel Posted May 6, 2017 Share Posted May 6, 2017 Perhaps a little USB isolator device. Quote Link to comment Share on other sites More sharing options...
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