Sounds like an RFI problem to me Dan.  Do you have an rf choke at your
antenna feedpoint?  Does the station have a good single point ground? 
How close is the antenna to the radio?

If it's not rfi, the attached might help.

73
Wayne
K4ELO


On Wed, Feb 20, 2013, at 11:05 PM, Dan Baker wrote:
> Hello all,
> I just recently bought a 3000 refurb unit. I am having trouble getting it
> to sound clean.
> I tried my Yaesu hand mic, a Electro Voice RE20, and my Headset. All with
> the same result. The reports I get from my friends are a little
> distortion on the peaks of my signal. That it just does not sound right.
> My
> peaks can be at -25dbm and it is still present.
> I set this up by setting the Mic gain at 35% adjusting the Mixer setting
> until it was about -15db on the mic meter reading. Then
> adjusting the EQ level.  I have it running around -10 to -15 dbm on my
> peaks. When I listen to the audio using the monitor in PSDR it sounds
> clean.
> I can run 20 watts out of the radio or 700 watts out of my amp and it
> does
> not change.
> Anyone have any suggestions?
> 
> Best Regards,   Dan    KM6CQ
> 
> 
> -- 
> KM6CQ
> Dan Baker
> www.km6cq.com
> @danielbaker
> QSL via LoTW, eQSL, or Direct.
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