Elecraft

K2 / DSP

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Edward A. Dauer

K2 / DSP

I have never had a K2 with a KDSP2 so I can’t make an informed comparison; but I can say that, having one in both of my K2s, the KAF2 makes the K2’s performance truly outstanding. As I understand it, having both was never possible – it was one or the other. Maybe someone can offer a comparison . . .

Ted, KN1CBR

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Phil Wheeler-2

Re: K2 / DSP

Years ago I replaced the KAF2 with a KDSP2 and far
preferred the latter. But it is fussy to adjust
and many seem to prefer the KAF2.

Phil W7OX

On 12/23/16 8:46 PM, Dauer, Edward wrote:

>
> I have never had a K2 with a KDSP2 so I can’t
> make an informed comparison; but I can say that,
> having one in both of my K2s, the KAF2 makes the
> K2’s performance truly outstanding. As I
> understand it, having both was never possible –
> it was one or the other. Maybe someone can
> offer a comparison . . .
>
> Ted, KN1CBR
>

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Edward A. Dauer

Re: K2 / DSP

Hello Phil –

Yes, I have read that in some of the eHam reviews about the KDSP2. Some people apparently didn’t like the more nuanced adjustment process. I don’t remember why I opted for the KAF2 in my first K2; but by the time I got the second one the KDSP2 was already gone. In fact, that was in part why I bought the second kit. Other than the DZKit Sienna, the K2 is the last kit of its kind on the market so far as I can tell. SMCs and the like seem to be making traditional components less profitable to manufacture and sometimes harder to find. The base K2 itself has had some changes due to sourcing problems (for example, ICs now nearing the size of dust mites mounted on more reasonably macroscopic carrier boards.) Someday even the K2 may succumb. Losing the KDSP2 seemed like a milepost on that road. I wanted a second kit before that happened.

Happy holidays to you, and all.

Ted, KN1CBR

From: Phil Wheeler <[hidden email]>
Date: Saturday, December 24, 2016 at 9:39 AM
To: "Dauer, Edward" <[hidden email]>, "[hidden email]" <[hidden email]>
Subject: Re: K2 / DSP

Years ago I replaced the KAF2 with a KDSP2 and far preferred the latter. But it is fussy to adjust and many seem to prefer the KAF2.

Phil W7OX
On 12/23/16 8:46 PM, Dauer, Edward wrote:
I have never had a K2 with a KDSP2 so I can’t make an informed comparison; but I can say that, having one in both of my K2s, the KAF2 makes the K2’s performance truly outstanding. As I understand it, having both was never possible – it was one or the other. Maybe someone can offer a comparison . . .

Ted, KN1CBR

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Mike Markowski-2

Re: K2 / DSP

In reply to this post by Phil Wheeler-2

I had trouble remembering how to navigate the kdsp2 menus for adjustment
and wrote a program to help:

http://udel.edu/~mm/ham/elecraft/k2filter/

It works but is clunky in some ways. Before knocking off the rough
edges I got my K3 and the kdsp2 code has been neglected ever since.
Anyone interested is welcome to the code but I can't offer assistance.
Not so much because I don't want to, but it's been several years and the
coding details have grown fuzzy!

73,
Mike ab3ap

On 12/24/2016 11:39 AM, Phil Wheeler wrote:

> Years ago I replaced the KAF2 with a KDSP2 and far preferred the
> latter. But it is fussy to adjust and many seem to prefer the KAF2.
>
> Phil W7OX
>
> On 12/23/16 8:46 PM, Dauer, Edward wrote:
>>
>> I have never had a K2 with a KDSP2 so I can’t make an informed
>> comparison; but I can say that, having one in both of my K2s, the KAF2
>> makes the K2’s performance truly outstanding. As I understand it,
>> having both was never possible – it was one or the other. Maybe
>> someone can offer a comparison . . .
>>
>> Ted, KN1CBR
>>
>
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bdenley

Re: K2 / DSP

Mike:
I like it! I didn't think the DSP was addressable. How do I get a copy to try it out? I have Win7 and OSX here.
Thanks

Brian Denley
KB1VBF
Sent from my iPad

> On Dec 24, 2016, at 1:44 PM, Mike Markowski <[hidden email]> wrote:
>
> I had trouble remembering how to navigate the kdsp2 menus for adjustment and wrote a program to help:
>
> http://udel.edu/~mm/ham/elecraft/k2filter/
>
> It works but is clunky in some ways. Before knocking off the rough edges I got my K3 and the kdsp2 code has been neglected ever since. Anyone interested is welcome to the code but I can't offer assistance. Not so much because I don't want to, but it's been several years and the coding details have grown fuzzy!
>
> 73,
> Mike ab3ap
>
>> On 12/24/2016 11:39 AM, Phil Wheeler wrote:
>> Years ago I replaced the KAF2 with a KDSP2 and far preferred the
>> latter. But it is fussy to adjust and many seem to prefer the KAF2.
>>
>> Phil W7OX
>>
>>> On 12/23/16 8:46 PM, Dauer, Edward wrote:
>>>
>>> I have never had a K2 with a KDSP2 so I can’t make an informed
>>> comparison; but I can say that, having one in both of my K2s, the KAF2
>>> makes the K2’s performance truly outstanding. As I understand it,
>>> having both was never possible – it was one or the other. Maybe
>>> someone can offer a comparison . . .
>>>
>>> Ted, KN1CBR
>>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]
> ______________________________________________________________
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