[Elecraft] K2 question on options

[Gary D Krause]

Ron,

One thing that I forgot to mention is that even though I like the DSP in the 
K2, I still use an external analog audio filter.  Sometimes it helps and 
sometimes not.  I'm not completely sold on DSP as it now stands.  The 
filtering is great but, the denoiser, as most denoisers that I have heard, 
have a ways to go, in my opinion.  That includes IF as well as audio DSP.  I 
still think that analog audio filters are very affective if not just as 
affective.  But, then again, everyone seems to have a different opinion. ;-)

Gary, N7HTS




On Wed, 13 Jul 2011 07:15:14 -0600
  R Thompson <ve8rt at xplornet.com> wrote:
> Thanks for all the replies,
> 
>     that settles it for me, as I haven't enjoyed my own experiences
> with DSP, I'll order the KAF2.  And I'll consider the anti-ringing
> modification.  
> 
>      Ron VE8RT
> 
> On Wed, 2011-07-13 at 03:32 -0700, Bill W4ZV wrote:
>> R Thompson wrote:
>> > 
>> >      I would like to hear from someone who has the filter, what their
>> > impressions are.  I'm not overly impressed with the DSP as I've
>> > experienced it on my IC-703, but it can make a difference even if it no
>> > longer sounds natural.  So I'm leaning towards getting the filter.
>> > 
>> 
>> I have the KAF2 but to be honest I seldom use it.  For some reason I've
>> never found audio filters to be of much help.  My experience goes back to
>> the Autek QF-1A, SCAT filters, many different outboard DSP filters, etc. 
>> I'm sure they work well for others but I've never found them to work for my
>> ears which seem to prefer wider audio (~350 Hz) before reaching my
>> ear/brain's DSP stage.  One exception is the K3's APF which is occasionally
>> helpful under certain conditions.
>> 
>> Here's some more information on the KAF2 which might help you decide.  I
>> used KI6WX's standard AF1 and "low-ringing" AF2 values in my unit:
>> 
>> http://home.pacbell.net/johngreb/kaf2_filter_modifications.pdf
>> 
>> 73,  Bill
>> 
>> 
>> 
>> 
>> 
>> --
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