[Elecraft] Rethinking filters

[Robert Wood]

This IM issue was 1st reported in the Jan 2009 QST review on K3
Sidebar "A Close Look at K3 Roofing Filters"
The 200hz filter was not included in write up & the issue seemed to be the
1800hz filter which if I recall - Elecraft said was issue with the supplier
& it was resolved...   
Hope Rob will post his data here or his web pages!

K4TV - thanks for input on use of the dual 200hz, nice

on the subject of K3 & K3S
Great rigs for sure except operator interface still lacking, no attempt to
get dedicated band stacking buttons 

OK 

73 Robert W5AJ
 






-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jim
Brown
Sent: Friday, May 15, 2015 7:02 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Rethinking filters

On Fri,5/15/2015 3:39 PM, Jim Miller wrote:
> I've got my K3S on order and was planning to transfer some of my 
> filters from my K3 before selling it but after reviewing the filter 
> specs along with my past experience I'm rethinking the narrow end.

In his annual Dayton talk yesterday, Rob Sherwood said that he had seen some
serious IM issues with some Elecraft roofing filters. I would hold off on
buying any new filters for a while until I knew a lot more about that issue.

73, Jim K9YC
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