[Ardour-Users] Puzzling line level interference

Thomas G. Willis tom.willis at gmail.com
Sat Jul 28 08:37:22 PDT 2007

On 7/28/07, Sampo Savolainen <v2 at iki.fi> wrote:
> On Sat, 2007-07-28 at 09:50 -0400, Thomas G. Willis wrote:
> > I just tried putting one of those 2 prong adapters on the end of my
> > power supply and plugging it in, and that seems to have fixed the
> > problem. I'm guessing this isn't ideal though I don't know exactly
> > why. At least I can put it in temporarily when I want to record.
> That only proves that it's a ground loop issue. Running a PSU which is
> meant to be grounded can be really hazardous. You need to rewire your
> setup so every device in your audio setup (and everything connected to
> them) are using the same ground source.
> That, or separate the ground of the /signal/ not the safety ground or
> use isolator transformers.

Thanks , I'm reading up on stuff now. I'm wondering if I can just pick up
something at circuit city like


$15 bucks seems like it would be worth a shot.


Thomas G. Willis
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