[Elecraft] K3 for CW

[Robert G. Strickland]

Don...

Seems like all of us who contemplate buying a K3 go through the filter 
agonies. I ended up with the 2.8/8-pole, 1.9/8-pole, 500/8-pole from 
Inrad, and 200/5-pole. I am almost totally a cw type, using ssb only for 
dx that isn't on cw. While not operating ssb much, I wanted a filter 
arrangement for that mode that would be "ever lasting." For cw, the 250 
and 400 from Elecraft seemed too close together to really be different. 
I remember the 500cps mechanical filters from Collins, so that's always 
been my standard for cw. Then, for tight work, the 200 seemed nice. As 
Don says elsewhere, the dsp sets the ultimate bandwidth, while the 
filters "protect the door." That said, I wanted filters that would 
provide the same long-term satisfaction as with the ssb filters. I've 
operated more ssb than ever in the past because the K3 does such a good 
job on receiving ssb. As it stands, the K3 here is set for the future 
with no looking back.

...robert

On 7/5/2012 00:36, Don KB1YBG wrote:
>
> I'm about to place order for k3 kit.  I'm currently only interested in CW,
> have a K2 I built, and want to spring for a K3.
> Currently my order includes the KAT3, KDVR3, 400 & 250 8-pole filters.
>
> I've been following P3, 2nd Rcvr here but am not ready for those yet.  My
> question is 1) best filters for CW and 2) any other must-have options.
>
> I've read Wayne's article about filter selection but still unsure.  It seems
> the 400 and 250 may be close to same and 1000 and 400 a better choice.  Or
> 500 5-pole?  I'll be adding Sec Rx so what about filter matching?
>
> 73,
> Don,  KB1YBG
>
>
> --
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-- 
Robert G. Strickland, PhD, ABPH - KE2WY
rcrgs at verizon.net
Syracuse, New York, USA