elkabyle Posted March 14, 2016 Share Posted March 14, 2016 Just got a G70. This is how I use it: Line6 Relay G70 - output A goes to kemper -> Frfr Speaker.Line6 Relay G70 - output B goes to Fender tube amp. Everything was fine on day one, but since yesterday I'm hearing a loud hum. If I remove one instrument cable from say output B, the hum is gone.Could it be ground loop related? I'm quite a noob when it comes to these things. Did anyone experience any issue when using the 2 outputs A and B? Quote Link to comment Share on other sites More sharing options...
elkabyle Posted March 16, 2016 Author Share Posted March 16, 2016 The more I research about the issue, the more I think the issue is coming from a ground loop when using outputs A and B. It's a shame the relay G70 does not have a ground lift on output B. It has one in output C, but I need to use unbalanced cables in my setup. Question for line6, can I use output C with an XLR-TS cable without damaging the receiver? Something like that, to plug the outputC to my second amp and lift the ground to address the ground loop: Quote Link to comment Share on other sites More sharing options...
elkabyle Posted April 2, 2016 Author Share Posted April 2, 2016 Well, I got myself a Radial Twin City amp switcher. Problem gone. I was expecting too much from the G70 unit. It probably wants to do too many things at once. Quote Link to comment Share on other sites More sharing options...
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