jackwagner Posted July 20, 2017 Share Posted July 20, 2017 I am a Helix newbie. I have noticed that when I play an open E string on my bass and let it sustain, that it doesn’t hold a consistent pitch. It starts to “warble†a bit as if there were some slight modulation or tremolo effect. As if it were slightly out of tune (out of tune with what? I don’t know). This happens on all of the bass presets that I have tried. It doesn’t seem to happen on any other open strings. I use this configuration in my practice room: Bass->Helix Rack->Practice Amp (Aux In) The bass is a Fender Precision. The Practice amp is an Ampeg BA-112v2 (a bass combo amp). I use the Aux In input to avoid the preamp section. As a test, I connected my bass directly into the instrument input on the amp. It works fine – no warble. Any ideas what may be happening? Thanks, --jack Quote Link to comment Share on other sites More sharing options...
cclement Posted July 20, 2017 Share Posted July 20, 2017 Could be the noise gate on the input block. Have you tired turning it off... assuming you have it on? Quote Link to comment Share on other sites More sharing options...
jackwagner Posted July 20, 2017 Author Share Posted July 20, 2017 Could be the noise gate on the input block. Have you tired turning it off... assuming you have it on? Good idea. It is indeed ON. I will try turning it off to see if anything changes. Thanks for the suggestion. --jack Quote Link to comment Share on other sites More sharing options...
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