[musictlk] Ground Lift

[Cameron]

Ah, yes, good point.  Something may have happened to the shielding on your
power cable.  So try another one and let us know if that helps at all.

Cameron.





-----Original Message-----
From: musictlk-bounces at nfbnet.org [mailto:musictlk-bounces at nfbnet.org] On
Behalf Of David Andrews
Sent: Sunday, May 23, 2010 3:33 PM
To: NFBnet Music Talk Mailing List
Subject: Re: [musictlk] Ground Lift

Well, if the item is putting a 60 cycle hum in its output you must 
try to identify the source of the hum.  It could be the device 
itself, the circuit it is on, or something else in the area.  You 
will have to try different things to isolate the problem.  Check all 
connections first, reseat everything.  Remove anything else from that 
circuit, or the nearby y area one thing at a time, to see if goes 
away.  Move it to a different circuit if you can and see if hum 
persists.  By juggling things, and process of elimination you may be 
able to isolate the problem.  You could also try different power 
cords, different cables, etc.

Good luck.

Dave

At 09:22 AM 5/23/2010, you wrote:
>The funny thing is, the hum hasn't happened until recently. When I used it
>for the first time, which was probably last year, there was no hum, the
>sound was perfectly clean.
>

                         David Andrews:  dandrews at visi.com
Follow me on Twitter:  http://www.twitter.com/dandrews920


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