I would say stay with the 2.7. I have used both. I also have the 2.0
ssb filters. Unless you are a super serious SSB contester the 2.7 is
probably fine.
W0MU
On 1/30/2017 6:21 PM, mtruss wrote:
I have purchased a used K3, serial number 3000 or so, it has been sent back
to Elecraft for updates etc and returned to me working great so far. I
would like to update some things especially the roofing filters first so the
question I would like to ask is Has anybody upgraded from the 2.7 five pole
filter to the 2.8 eight pole filter? I understand the 8 pole is a wider
filter with 3 more filtering crystals , does it make any difference in
received audio? also could I use the fm filter for use in the am position.
Any other suggestions would be appreciated.
Thanks
Mike W8FLT
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