farrellk Posted December 5, 2015 Share Posted December 5, 2015 I'm trying to migrate to the Helix from my HD500X, and am not able to get rid of the overtly fizzy top end when inserting a distortion effect. I've seen mention of fizzy high-end in some of these threads, but I've not found a solution that mitigates the issue when using the Helix as a front-end stomp-box-type pedal feeding an outboard guitar amp. To simplify things on the Helix, I've got a chain with ONE module - the Valve Driver Distortion. On my HD500X I used a Tube Drive. Both of those effects are intended to mirror the Chandler Tube Drive. I'm taking a mono 1/4" Out from the Helix, and sending that to the front of my '65 Fender Deluxe Reissue amp. I do the same with the HD500X, and swap the output of each unit feeding the front of the amp. - On the HD500X, I've got the Input Impedance set to AUTO, and have set the Helix Input to the same. - On the HD500X, I've got the Guitar Pad on NORMAL, and have set the Helix Guitar Pad to OFF. - On the HD500X, I've got the 1/4" Out set to AMP, and have set the Helix 1/4" Out to INSTRUMENT. That is it. Squeaky clean simple - or so I would think. Distortion settings on the 2 units are the same (though, for some reason the HD500X has Midrange control for its Tube Drive (set at 50%). Drive, Bass, Treble and Output are set identical between the HD500X and the Helix. There is an overt amount of top end fizz and splat coming from the Helix when using a Distortion effect. Clean sounds seem to be OK. I've tried different Distortion effects, and all produce the same high end characteristic. It's like plugging an MXR Distortion+ directly into a mixing console. I'm at a loss in determining how to mitigate the issue. Quote Link to comment Share on other sites More sharing options...
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