[musictlk] Ground Lift

[Cameron]

In this case, it would be the power cable connecting it to your power
conditioner.

Cameron.





-----Original Message-----
From: musictlk-bounces at nfbnet.org [mailto:musictlk-bounces at nfbnet.org] On
Behalf Of Annabelle Susan Morison
Sent: Sunday, May 23, 2010 4:47 PM
To: 'NFBnet Music Talk Mailing List'
Subject: Re: [musictlk] Ground Lift

Do you mean the cables that connect it to the MOTU? Or do you mean the cable
that connects it to the power conditioner? I'm confused!

-----Original Message-----
From: musictlk-bounces at nfbnet.org [mailto:musictlk-bounces at nfbnet.org] On
Behalf Of Cameron
Sent: Sunday, May 23, 2010 1:04 PM
To: 'NFBnet Music Talk Mailing List'
Subject: Re: [musictlk] Ground Lift

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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