[Elecraft] K2 scratchy noise on RX CW signals

[Andrew Moore]

Hi Don - thanks for the suggestion. Any idea if the scratchy audio would
persist if the KDSP2 was put into bypass mode? I tried that and scratchy
audio was still there.

Thanks,
-Andrew


On Sat, Feb 19, 2022 at 8:49 PM Don Wilhelm <don at w3fpr.com> wrote:

> Andrew,
>
> That sounds like you had the NB and/or NR set on in the KDSP2 with
> aggressive settings.
> If the settings were aggressive, it would give you 'scratchy' audio -
> but it does eliminate other unwanted signal sounds.  You might want to
> put the KDSP2 in again and try several settings - see the KDSP2 manual.
> Start with all settings at default and go from there.
>
> 73,
> Don W3FPR
>
> On 2/17/2022 3:55 PM, Andrew Moore wrote:
> > I replaced the KDSP2 with a newly built KAF2 today and am happy to report
> > the noise is gone. Not sure if the board swap had anything to do with it,
> > but everything sounds great now and hope that continues.
> >
> > Thanks,
> > -Andrew / NV1B
> >
>
>