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HELIX Lt strange pitched sound with some amp models


sonerath
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Hi 

 

i am experiencing a strange pitched sound in the backround with some amp models especially when i am playing on the 9th fret of the G string.

I use a gibson les paul with burstbuckers. The problem seems to be solved when i increase the bias setting and decrease some of the ripple. Also i am running the latest firmware.

Current preset is an essex30 with some reverb but same thing happens also with brit trem brt and placaster dirty.

 

i will attach some presets and wav files so you guys can tell me if you are experiencing something similar 

ac30 stock set.hlx a30 bias&rip dif.hlx ac30 fixed with increased bias and decreased ripple.wav ac30_stock.wav

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Those are ghost notes. They happen in the real amps, and can’t really be modeled away. If you search for “Vox AC30 ghost notes” on Google, you’ll find dozens, maybe hundreds of links to articles and threads on different forums about it.

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9 hours ago, phil_m said:

Those are ghost notes. They happen in the real amps, and can’t really be modeled away. If you search for “Vox AC30 ghost notes” on Google, you’ll find dozens, maybe hundreds of links to articles and threads on different forums about it.

So when you play the same preset you hear the same noise ?or is just my helix that makes that noise ??

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6 hours ago, sonerath said:

So when you play the same preset you hear the same noise ?or is just my helix that makes that noise ??

 

I didn’t try your presets. I didn’t have to. It’s a phenomenon that happens with guitar amps and modelers. The technical term for it is intermodulation distortion. Cliff Chase from Fractal gives a good explanation of it here:

 

https://www.thegearpage.net/board/index.php?posts/30105388/

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3 hours ago, phil_m said:

 

I didn’t try your presets. I didn’t have to. It’s a phenomenon that happens with guitar amps and modelers. The technical term for it is intermodulation distortion. Cliff Chase from Fractal gives a good explanation of it here:

 

https://www.thegearpage.net/board/index.php?posts/30105388/

Thanks a lot for your answer. Its unbelievable the way those modelers have been improved all those years!!The good thing is that you can avoid that noise by increasing the Bias just a little bit :D

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