Did you actually wind the extra coax into a choke coil? Or  just insert 
the extra coax in an effort to change the overall feedline length?   Not 
clear from what you wrote.

73 Steve KW3A

On 3/9/2011 10:32 AM, tom behler wrote:
>      Steve:
>
> I will try your suggestions here, including the one of putting the computer
> speakers on a totally different circuit.
>
> In the shack, the computer and radio are on the same circuit, but the amp is
> on a different circuit.
>
> I'm going to try juggling things around here in various configurations to
> see if anything makes a difference.
>
> I did try putting an extra hunk of coax on the DXCC feedline at the
> transmitter as sort of an RF choke, but no joy!
>
> Will keep at it here.
>
> It's Spring Break, and snowing like crazy again, so once I get some other
> stuff done, it will be a good time to play radio later today.
>
> 73 from Tom Behler:  KB8TYJ
>
> ----- Original Message -----
> From: "Steve Forst"<[log in to unmask]>
> To:<[log in to unmask]>
> Sent: Wednesday, March 09, 2011 10:25 AM
> Subject: Re: OffTopic: trying to get a PC to play audio through
>
>
> Re: OffTopic: trying to get a PC to play audio through monitor speakers
>
> I had sent this earlier, butmade the mistake of replying to a reply, and
> it didn't get to the list:
>
>
> Tom,
>
> Glad you got the monitor speakers working.  As for the RFI:  These pc
> speakers can be a pain sometimes.
>     The problem is very often the wall wart sending  power to the
> speakers.  Try a ferrite on the cord from the wall wart  and also on the
> audio cables.
> Sometimes it's better to clamp everything and if the problem is gone,
> remove them one at a time until you find which one really solved the
> problem.
>
> Try plugging the wall wart into another outlet on a different circuit.
> Even if you need to use an extension cord and run it to another room.
> Are you running
> the amp/radio/pc on the same circuit?  Maybe getting the amp onto a
> different  a.c. circuit will help things in the shack.
>
> 73, Steve KW3A
> Re: OffTopic: trying to get a PC to play audio through monitor speakers
> Tom,
>
> Glad you got the monitor speakers working.  As for the RFI:  These pc
> speakers can be a pain sometimes.
>     The problem is very often the wall wart sending  power to the
> speakers.  Try a ferrite on the cord from the wall wart  and also on the
> audio cables.
> Sometimes it's better to clamp everything and if the problem is gone,
> remove them one at a time until you find which one really solved the
> problem.
>
> Try plugging the wall wart into another outlet on a different circuit.
> Even if you need to use an extension cord and run it to another room.
> Are you running
> the amp/radio/pc on the same circuit?  Maybe getting the amp onto a
> different  a.c. circuit will help things in the shack.
>
> 73, Steve KW3A
>