[Elecraft] Problem with K3 receive audio

[Guy Olinger K2AV]

I found that the upgraded board removed a harshness which I always
thought sounded like distortion, and this in spite of my reduced
hearing at those frequencies.  I think it actually does some more that
is not alluded to by Elecraft. My guess is that the low end change is
involved in some level of distortion improvement.

Most people are very happy they did the mod.  Swapping the board and
sending the swapped out board back to Elecraft is really fairly easy.
But don't order the board until you're ready to do the work and send
the old board back promptly.  The swap board is an Elecraft personnel
refurbished board that someone else sent in.  That allows them to run
the program without making stocking decisions.

73, Guy.

On Sat, Apr 9, 2011 at 5:41 PM, Fred Jensen <k6dgw at foothill.net> wrote:
> My K3 is #642.  It sounds fine on SSB.  I do shift the passband down a
> notch or two but that's because I can't hear much above about 1 KHz.  Do
> I need to upgrade the DSP board?
>
> 73,
>
> Fred K6DGW