Jason1006 Posted January 5, 2020 Share Posted January 5, 2020 Just bought my LT and mus say what a great piece of equipment. But I do have one big problem that I cant seem to solve. If i connect my 1/4 jack output to my Fender Hot Rod i get a quite audible amount of hiss. Plug my guitar directly into the Amp im fine. Also have the volume on the LT turned down. So this hiss comes directly through the connection. Am I doing something wrong here ? And yes its not the cable, that works fine .... thanks for any help Actually got it solved...... was the USB connecter, but why ? Quote Link to comment Share on other sites More sharing options...
brue58ski Posted January 5, 2020 Share Posted January 5, 2020 The Helix has the capability of becoming the computer's soundcard so that's a possibility. Try checking out what device your computer is using for a soundcard and switch it if it's using the Helix. I'll bet the noise goes away if that's the case. Quote Link to comment Share on other sites More sharing options...
aaronlyon Posted January 5, 2020 Share Posted January 5, 2020 "have the volume on the LT turned down" -- this is part of the problem. You want your LT volume turned up high--not high enough to distort, but as high as possible so your signal to noise (hiss) ratio is best. Quote Link to comment Share on other sites More sharing options...
brue58ski Posted January 6, 2020 Share Posted January 6, 2020 15 hours ago, aaronlyon said: "have the volume on the LT turned down" -- this is part of the problem. You want your LT volume turned up high--not high enough to distort, but as high as possible so your signal to noise (hiss) ratio is best. That's good advice but he did say the noise went away when he unplugged the USB cable so I don't think this will address his particular issue. Quote Link to comment Share on other sites More sharing options...
SnowStormDA Posted January 6, 2020 Share Posted January 6, 2020 You might also have an issue with multiple grounds. I had a similar problem and used a ground lift box to isolate the connection with multiple amplifiers. Quote Link to comment Share on other sites More sharing options...
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