Merlin -

Like others, I would like to see pictures and any other information on this project.

I have found that I get distorted audio when transmitting SSB if the data cable between the K2 and KPA100 happens to fall near the KSB2. I even get some RF on my CW signal. I believe your solution would be much more effective than my efforts to shove the cable out of the way.

73 de NA8M
John

Enough reminiscing;  I just spent about a hour with my KSB2, making  sure
that the solder connections near the 7 pole filter were filed down, or clipped as much as possible, so that they don't act as little "antennas", thus messing
up the characteristics of the filter.  It worked!  The  "audio image" that
one hears when tuning past zero beat got a lot weaker!

Next, I went to local hobby shop and bought some tin.  I made little  tin
"houses" which I placed around the matching toroids, ground them carefully. It
worked too.  Next I added a little tin "fence" which  went on the bottom the
board, shielding the input of the filter from the  output.  It worked.  Three
times is a charm!

73,

Merlin W3ICT

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