[Elecraft] Background Noise with Mike Plugged in to Rear, , Mike Jack

[JR]

Re - Bob, K4TAX,  on whether to use ferrite beads to solve station 
issues ...
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Several years ago, when I was a new ham, Bob K4TAX encouraged me to 
solve RFI/EMI and other issues, instead of populating the station with 
ferrite beads, and this admonition has served me well ever since.  
Rather than toss toroids at a problem, I diligently determine the exact 
cause and fix it.  Sometimes it is something simple, such as routing a 
microphone and computer cables away from, and not parallel with, coax 
patch cables.  One time, it was as simple as cinching a coax connector 
up tight.   As an ersatz musician, I have a pile of audio and recording 
gear along with my ham station in the shack, and I suffer no issues on 
any front.  All too often, hams claim the problem is "RF in the shack" 
and toss ferrite toroids on every cable in the place, which masks or 
conceals, but does not solve, the problem.   Thanks, Bob, for pushing me 
to locate the real problem every time.  Do whatever diligence is due 
under the circumstances, and you will surely have better results.   K8JHR