a choke in the coax, just a few turns of coax, at the base of the antenna 
should help that some. They make chokes that can go in the speaker leads 
that will help that, a lowpass filter could help. Is it on all bands or just 
one? More radial field could even help it some. There are so many things you 
can try, some will help, some won't, some will help a little some a lot and 
it's all a case of trial and error in a lot of cases. I'm told an RF ground 
may help though for me at times I find it's caused more problems than it 
helps and again if your vertical is ground mounted, that could actually 
cause a ground loop with the RF ground on the radio so it could be that 
simple. That's been my experience especially with longer RF grounds is they 
cause RFI which is why I never ran one until the house I live in now which 
is a mobile home so I grounded it to the chassis because it's a very short 
one and works but all those years of living on the second floor I found 
running one caused RFI, removing it eliminated the problem 100%. There's a 
few ideas, I hope they help you.
----- Original Message ----- 
From: "Richard B McDonald" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, September 13, 2014 7:53 AM
Subject: How to Prevent RFI on My Stereo When I Transmit?


> Hi!
>
>
>
> Now that my 43' vertical is up and functional, a new problem has arisen: 
> RFI
> on my stereo : (  Basically, when I transmit (or even tune the antenna), 
> it
> bleeds through rather strongly through my stereo speakers.  So, what is 
> the
> best solution for this?
>
>
>
> I have heard of "RFI chokes."  Do these work?  Is there a particular type 
> to
> get?  Where do you install them: on the speaker wires (and if so near 
> where
> they plug into the stereo, near where they terminate at the speakers,
> anywhere), on the power cord (and is so ditto as to where) or somewhere
> else?  Is there something better than RFI chokes?
>
>
>
> Being a bit of an audiophile, this is pretty important to me.  I have a
> rather nice stereo system with a lot of speakers (13) and a lot of speaker
> wire running around the room.  I have a couple of separate amps around the
> room too.  Might the amps be causing the RFI issue?  Maybe worst of all, 
> my
> antenna is like 20' away from the stereo; if that matters.
>
>
>
> 73,
>
> Richard KK6MRH