I try to compare my K2 to others when I get the chance. This helps show up flaws that wouldn't otherwise be apparent. For example, imine wasn't as "quiet" as had been reported by others, and I traced the problem to my having damaged the mixer on installation.

The MDS was fine, but something (the modulation products from other signals perhaps) were causing a harsh noise. The DSP also started workiong better, as it had always had more noise to contend with.

The funny thing is that I had ordered a replacement mixer (not a cheap part!) but since it looked difficult to remove, had put it off, because the MDS test was ok. It was the compare-and-listen test that told me something was wrong.

Leigh/WA5ZNU
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