[Amps] Amp causing RFI

[Tim Duffy]

Hello Mark,

I am confused. What does a connection to earth ground have to do with ground
loops?

73
Tim K3LR

-----Original Message-----
From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Mark Schoonover
Sent: Monday, February 3, 2020 11:04 PM
To: jim at audiosystemsgroup.com
Cc: Amps
Subject: Re: [Amps] Amp causing RFI

On Mon, Feb 3, 2020 at 7:57 PM Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 2/3/2020 7:48 PM, Alek Petkovic wrote:
> > ndeed. It has also helped me and most ham friends I know on numerous
> > occasions.
> >
> > Adding a few shallow buried wires to the ground rod has also worked well
> > for me.
>
> Balderdash. The earth is not a sump into which noise, RFI, and other
> trash is poured. Comments like this bring to mind the infinite number of
> monkeys and typewriters producing Shakespeare.
>
> 73, Jim K9YC
>
>
What having a decent ground does is eliminate the possibility  of ground
loops provided the ground is lifted from the third pin of the AC plug. I
did a comprehensive RFI video on the subject and show how ground loops can
happen and what to do to eliminate them. Quite possibly the #1 cause of
RFI. You can watch the video in the link below.
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