[Elecraft] K3 NR

Brett Howard brett at livecomputers.com
Wed Aug 26 13:37:10 EDT 2009


Make sure and try it with AFX on and off.

On 8/26/09, Paul - WW2PT <ww2pt at arrl.net> wrote:
>
> I found the NR in v3.25 to be excellent to my ears and a big improvement to
> previous versions, but I'm having a lot of trouble finding a NR setting with
> v3.27 that I'm comfortable with -- everything sounds like it's coming
> through a tunnel, even the x-1 settings. I generally prefer minimal DPS
> noise reduction for SSB and have rarely used the x-4 settings. I generally
> stuck to 4-1 or 4-2 in previous versions and rode the RF Gain to further
> reduce background noise when needed. Just can't find a happy setting with
> v3.27.  It might sound OK on one signal but awful on another, resulting in
> far more dial tweaking than I usually like to do.
>
> RX EQ is flat as has been suggested, just doesn't help much. The tunnel
> effect is a bit less bothersome when using headphones, but I generally
> prefer using a pair of powered desktop speakers with AFX (Bin) turned on.
> Haven't tried NR in CW mode yet, my comments apply only to SSB.
>
> I've reverted to 3.25 and then back to 3.27 just to make sure I'm hearing
> what I think I'm hearing. I think I can live with the new NR settings, but
> sure would like to have them *in addition to* the 3.25 filters which were
> damn near perfect for my ears. Maybe some additional less aggressive NR
> settings (5-1 through 5-4, 6-1 through 6-4, etc.) will make everyone happy?
>
> Just more free advice... ;-)
>
> 73,
> Paul WW2PT
>
>
>
> Lyle Johnson wrote:
>>
>>
>> The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4.
>> The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4.
>> The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4.
>> The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4.
>>
>> The 3.27 NR F1- is "lighter" than the 3.25 NR.
>> The 3.27 NR F2- is a little lighter than the 3.25 NR.
>> The 3.27 NR F4- is "heavier" than the 3.25 NR.
>>
>> I am an SSB op, not a CW op, and the NR now works much better for me.
>>
>>
>
> --
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> http://n2.nabble.com/K3-NR-tp3515659p3518140.html
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