Benjo-helix Posted December 30, 2015 Share Posted December 30, 2015 Hello! I'm the proud and now frustrated owner of the new Helix. The problem I've been having is 'clipping' which is coming through the headphone out. I've upgraded my headphones to a set of Beyerdynamic DT 770 high impedance but the clipping still persists. Is there a global setting I'm missing? Even turning down the volume on my guitar doesn't sure the problem. Fingers crossed it's something I can tweak within the settings! Many thanks in advance... And I've just updated the firmware but no luck there.! Quote Link to comment Share on other sites More sharing options...
amsdenj Posted December 30, 2015 Share Posted December 30, 2015 Is the clipping coming through the XLR outs too? Where is the headphone volume set? Try a factory clean patch and make sure its not something wrong with the gain staging in the patch you're using. Disable all blocks in the patch and see if that's still distorting. If its only through the headphone output, then there's likely something wrong with the headphone amplifier. If its coming out of everything, try a different input. Quote Link to comment Share on other sites More sharing options...
Benjo-helix Posted December 30, 2015 Author Share Posted December 30, 2015 Hi, thanks for the advice. I've just played the factory presets through a 1/4 inch cable to one of my Alesis active speakers and I'm still getting the 'fizz' which is really pronounced on any setting that has some gain. I have tested a variety of guitars, single coils, humbuckers and the clipping happend regardless. I've also played with the guitar impedance and guitar 'pad' settings but to no avail.... If it had tubes, I'd swap them out ha ha! Any more suggestions would be appreciated, but am coming to the conclusion I'm going to have to return it. Groan. Quote Link to comment Share on other sites More sharing options...
PeterHamm Posted December 31, 2015 Share Posted December 31, 2015 I would do some kind of re-flash of the firmware, or make sure you're upgraded to the latest FW, or both, first. Quote Link to comment Share on other sites More sharing options...
Dshow Posted January 1, 2016 Share Posted January 1, 2016 This is interesting because the first thing I thought it was that the headphone output is kind of low. I have to set the phone level to about 2 o'clock to get a comfort level. And my Sennheiser HD280 are 64 Ohms. With higher Ohm Headphone it would be even lower volume I guess. From the manual I see that the Headphone output is 12 Ohms. Reading the note at page 8 of the manual it says: NOTE: Helix provides plenty of gain for high impedance headphones. With lower impedance headphones, you may notice a bit of distortion if the PHONES knob is turned all the way up. This is normal. So you may try to use some headphones with higher impendance. Quote Link to comment Share on other sites More sharing options...
pol2711 Posted January 1, 2016 Share Posted January 1, 2016 Global - pad - on Try the impedanceparameter I had some simular with my rocktones. Dialing back the high freq: cut off to 3 khz (in cab oarameter or an extra eq block at the end Quote Link to comment Share on other sites More sharing options...
Benjo-helix Posted January 9, 2016 Author Share Posted January 9, 2016 Hi - thanks everyone for your suggestions. Having raised a ticket and been told to perform a factory reset (one of the first things I did), I've returned the unit and should be getting a replacement next week. Lucky for me that there are some now available! Quote Link to comment Share on other sites More sharing options...
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