On 6/9/2021 12:01 AM, Bob Wilson, N6TV wrote:
As for comparing the K4 to the K3, despite the K3's "superior" numbers in
the Sherwood table, the K4 SOUNDS so much better than any K3. The K4 audio
is just SO CLEAN compared to the K3, which makes a big difference when a
pileup calls. That quality is not captured by any subjective measurement.
The narrow DSP filters (down to 50 Hz) also seem to work so much better in
the K4 than the narrow 250 or 200 Hz crystal filters in the K3 -- no
ringing.
Note that Bob, like K6XX, is a serious engineer (retired from IBM) and
TOP CW contester. Both are friends. TV is retired, XX is a manufacturing
engineer at Elecraft. XX is also a serious SSB contester.
73, Jim K9YC
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