[Elecraft] KPA500: How to troubleshoot "distorted audio"

[Matt Zilmer]

Check your RF ground.

On Sun, 03 May 2015 16:01:36 -0700, you wrote:

>Jim;
>
>Gary is right. What he means to tell you is that you should be looking for RF in the shack, getting into the K3.
>
>If the KPA500 had gone non-linear, then you would be seeing all sorts of faults. You aren’t reporting any, so
>most likely the problem is not in the KPA, but rather in something that cannot deal with the large amount of RF in the vicinity.
>Did you change something recently, antenna, audio, cabling, something else in the shack?
>
>- Jack Brindle, W6FB
>Elecraft Engineering
>
>> On May 3, 2015, at 3:21 PM, mcduffie at ag0n.net wrote:
>> 
>> 
>>> My 3 month old KPA500 with my K3 and KAT500 had been giving me â??outstanding audioâ?? reports when first put into service. 
>> 
>> I'd bet it doesn't sound bad on a dummy load?
>> 
>> Gary
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Matt Zilmer, W6NIA
www.elecraft.com
831-763-4211  x129