As a point of reference, my old K3 with the original synthesizer board pops when
changing BW. It's most noticeable going from 150 Hz to 100 Hz and vice versa.
This is with normal AF gain and CM500 in rear headphone jack.
On 10/16/2015 6:01 PM, jim wrote:
I just got my K3 back from Elecraft. They did the once over and installed
the new SYN boards.
I have noticed a "popping" noise in the headphones as I change the bandwidth
control, but ONLY as I transition from 200 Hz, 150 Hz, 100 Hz and 50 Hz. I
have only checked this in the CW mode.
This popping noise was not there before sending the rig in.
I have the 500 Hz and 200 Hz crystal roofing filters installed, which is the
same configuration as I had before sending it to Elecraft.
Any thoughts?
Tnx
Jim
W6AIM
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