jontydodarr Posted June 3, 2016 Share Posted June 3, 2016 Just recently purchased a Helix, however having a bit of a hum issue on an Overdrive setting , attempted to get a similar tone to what I've been using on my HD 147 head , so dialled in the same settings on the Cali rectifire setting , and boy what a hum I'm getting from helix via l2t cab, yet if go back to the head and cab almost no interference, anyone any ideas ?? Quote Link to comment Share on other sites More sharing options...
anason-records Posted June 3, 2016 Share Posted June 3, 2016 is helix connected to computer via USB and if yes are you using a powered USB hub? Quote Link to comment Share on other sites More sharing options...
jontydodarr Posted June 4, 2016 Author Share Posted June 4, 2016 No it's not , it's just set up les Paul in /Helix/L6 link/ Stagesource l2m Quote Link to comment Share on other sites More sharing options...
jontydodarr Posted June 4, 2016 Author Share Posted June 4, 2016 Just trying to emulate the same overdrive settin I used , from my flextone , pod XL, and HD147 head Quote Link to comment Share on other sites More sharing options...
silverhead Posted June 4, 2016 Share Posted June 4, 2016 Have you checked the level of the Hum parameter in the Helix amp model? Quote Link to comment Share on other sites More sharing options...
klangmaler Posted June 4, 2016 Share Posted June 4, 2016 Have you checked the level of the Hum parameter in the Helix amp model? Last night I had a subtle hum sound on my headphones and it took me quite a while to assign it correctly. Guess what it was ;) So the hum parameter is 'hidden tricky'... Quote Link to comment Share on other sites More sharing options...
PeterHamm Posted June 4, 2016 Share Posted June 4, 2016 Also, vary the actual outlet you plug into. Generally, I think you want Helix and the L2T into the same outlet, but it might be a grounding problem. Hum often is, if not usually. Quote Link to comment Share on other sites More sharing options...
hyouuu Posted June 4, 2016 Share Posted June 4, 2016 Also, vary the actual outlet you plug into. Generally, I think you want Helix and the L2T into the same outlet, but it might be a grounding problem. Hum often is, if not usually. Hey Peter could you explain more here? Does the same outlet make electronic noise lower? I don't have much knowledge here so just curious :) Quote Link to comment Share on other sites More sharing options...
bjnette Posted June 5, 2016 Share Posted June 5, 2016 What he is talking about is; different power outlets especially on a separate powerline equals a differential between the two earths and thus hum. Good grounding is important but even with good ground garbage easily gets on it. Light dimmers,fluro, fridges,aircon etc dirty it up. It is not uncommon for even good power to have a 50hz or 60hz hum depending where you are in the world. Another prob is guitar pickups and high gain.If you can move the guitar around and noise changes it is the pickups picking up electrical noise from the Helix (computer) or other electromagnetic device like Amp, TV, or fluro light or dimmer switch etc. Get the guitar cavities and under scratch plate shielded. If you touch the strings and noise subsides check for grounding of the guitar or improve it with/while shielding. Meantime placement of Amp 90 degrees away from the Helix and guitar. Placement can help. Quote Link to comment Share on other sites More sharing options...
zooey Posted June 5, 2016 Share Posted June 5, 2016 Realistically, I use the noise gate in the input block when there's enough gain for the hum to bother me. But that's hum being picked up by my guitar, not originating in Helix. If you think it's coming from Helix itself, that may not help. 1 Quote Link to comment Share on other sites More sharing options...
planebreaker Posted March 30, 2018 Share Posted March 30, 2018 Fired up LT today strong hum , removed all cables ,plugged in only headset hum still there. Hum followed main volume control ,but nothing else. Removed to try in another room with head phones only,hum was gone .Returned to first location ,hum was gone. First time has done this since firmware 2.54.0 -9efa95c. Only diff was removed power. Works fine ,fully connected ,now. Bug?? Might go to 2.53... Quote Link to comment Share on other sites More sharing options...
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