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Forum: Old versions

Topic: Humming sound

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Having a humming sound when I plug my mk2 into the pre amp.
can someone help.
 

geposted Tue 03 Jul 07 @ 3:23 am
Are you running off a laptop by any chance? If so, try disconnecting the power cord and run from batteries. If the humming stops when you do this, it's our old friend the ground loop. This can be fixed by disconnecting the earth pin on the mains plug (the cheapskate way), or by purchasing a ground loop isolator (the proper way). Hope this helps!
 

Yes i'm running from a laptop.
I disconnected the power the humming stoped.
I try to get a ground loop isolater to fix it.
thanks again.
 

 



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