K3 RF suppression

[James Hall-2]

Hello:

 

I recently moved my K3 into the #1 rig position with my SO2R operation with
the other rig being a FT-1000MP Mark V, and in doing so, moved the
microphone input to the rear of the K3.  My K3 is #616, so an early model.
What I've now noticed is that I'm getting a buzzing noise from the K3 when I
engage my amplifier with the Mark V. I remember having to bypass an RFC on
the front microphone jack, so I checked the web site and it looks like there
are a couple more chokes that need to be bypassed.

 

While I have it open, is there anything else I should be looking for ? The
problem doesn't happen at all at low power - just when I kick in the amp.

 

Thanks,

 

73, Jamie

WB4YDL





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