[Elecraft] K3S audio quality issue

[Mike Kholodov]

 Hi Al,
I bought it used, so I'm not sure when exactly it started.  All SSB stations are sounding like mistuned ones, no matter how I tune the VFO. Sometimes it's better (less artifacts) when it is a little bit lower, but it sounds unnatural. AM seems to be fine. Of course, the first thing I did, I made sure that the EQ was flat and all DSP I know about was off. No NB, NR or AFX. Currently it happens only on 20M, 40M seems fine, haven't checked the others yet.
Mike, AB3VN
    On Wednesday, August 18, 2021, 10:11:48 PM EDT, Al Lorona <alorona at sbcglobal.net> wrote:  
 
 Hi, Mike,

This issue comes up regularly here.

It sounds like this is a new problem with the K3S? Or has it always been like this?

There are so many settings that could have changed. You'd have to list them all for us. I assume that you know about the receive equalizer, AFX, and DSP, all of which have an impact on the received audio. Only you can tell us if any of these are activated and if so, to what degree.

I couldn't help but wonder... if it sounds like mistuned USB, what happens if you just tune the VFO a little bit lower? Does that change anything for you?

Let us know and we'll do our best to help you.

R,

Al  W6LX/4


On Tuesday, August 17, 2021, 05:11:25 PM EDT, Mike Kholodov via Elecraft <elecraft at mailman.qth.net> wrote: 





Listening to the K3S audio had become very fatiguing for me as of late. It sounds like hum or carrier is mixed in at the low end. It is very similar to the sound, if you tune a little bit higher on USB. I checked the same stations on my KX3, they sounded great. Used the same headphones in both cases. Has someone had the similar problem and is there any solution before I request the official support?
Thanks,Mike, AB3VN
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