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655 Views 3 Replies Latest reply: Nov 30, 2011 2:37 PM by Line6Don RSS
BretKilloran Just Startin'
BretKilloran
2 posts since
Nov 22, 2011
Currently Being Moderated

Nov 22, 2011 7:37 PM

M13 Terrible Hum Issue

Hey Guys,

 

I just got the M13 today and was super excited to play and played for 10 minutes before a really really loud hum was coming from the unit. Immediately I checked all my cables and everything is fine.

 

I tried not plugging anything into the pedal and only had to mono output going to my amp and the buzz was still there, even with nothing else plugging into the unit. I put it on true bypass mode and the noise went away.

 

So there's something wrong between the input and the first FX unit (since the effects still alter the buzz sound).

 

What could it be?

 

Bret

Tags: pedal, issue, 6, line, fix, scenes, noise, problems, hum, 13, buzz, buzzing, humming, m, m9, m5
  • Line6david Line 6 Support
    Line6david
    5,196 posts since
    Jan 27, 2010
    Currently Being Moderated
    Nov 23, 2011 11:52 AM (in response to BretKilloran)
    RE: M13 Terrible Hum Issue

    Hi,

       

      Ground hum issues can be hard to diagnose. Try different AC Outlets and power strips.

       

      Does the unit hum in a different location?

       

      Thanks,

      David

      Line 6 Customer Support

       

       

    • BretKilloran Just Startin'
      BretKilloran
      2 posts since
      Nov 22, 2011
      Currently Being Moderated
      Nov 24, 2011 1:28 PM (in response to Line6david)
      Re: RE: M13 Terrible Hum Issue

      Ya. I've plugged it in everywhere. When I plug my guitar in no signal is present (the tuner doesn't even show a note).

       

      The unit just puts out a loud hum. And not just background noise hum, the hum itself is as loud as my guitar would be.

       

      I'm not sure what it could be because it did work once I opened it and then all of a sudden it crapped out.

       

      I'm assuming it's a ****** connection at the converter stage because like I said, even when I don't plug anything into it it still hums loud!

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