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My M9 Sound Very Low

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#1 hernanschnaider


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Posted 13 November 2013 - 10:45 PM



i buy a used line 6 m9 and sound very low compare with the true bypass


i try reinstalling the firmware with monkey (2.04 v) 


the problem still there


what can i do?


i live in argentina



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#2 scormier


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Posted 16 November 2013 - 05:11 PM

Hi, Are you running really long cable in your setup? Have you tried plugin straight into the m9 and then straight into your amp (both with short cables).


If this makes a difference then you have probable too much cable length in your setup or an issue with your amps effects loop (if it is used).


Can you describe how you configure your guitar through everything.


Also have you tried turning on the buffered bypass instead of the true bypass, it will let you run longer cable lengths and allows the effects to trail off when dis-engaged.




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#3 phil_m


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Posted 18 November 2013 - 09:34 AM

On some the first M9s made there was a hardware issue with the inputs that caused what you're describing. I believe it's a relatively simple fix, so you're probably going to have to take or send the unit to a service center.

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