[Elecraft] K3s+KPA500 SSB audio distortion

[ks4v at comcast.net]

A local ham had the exact same problem. It was not a problem with his setup.  Elecraft replaced the PA board and the problem went away.BruceKS4V
-------- Original message --------From: Jim Miller <jtmiller47 at gmail.com> Date: 8/1/18  10:42 AM  (GMT-06:00) To: Ignacy <no9e at arrl.net> Cc: elecraft at mailman.qth.net Subject: Re: [Elecraft] K3s+KPA500 SSB audio distortion 
I ran my KPA500 for several years at 500w and often received unsolicited “great audio” reports. CM500 was my headset. 

Something is wrong with your setup. 

Jim ab3cv (have kpa1500 now)

On Aug 1, 2018, at 11:09 AM, Ignacy <no9e at arrl.net> wrote:

Could it be RF feedback? You can check it by transmitting into a dummy load
or lowering the drive power.
Ignacy, NO9E  



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