Yes, it is commonly know as "brogan maintenance."  I learned about this first step in troubleshooting at Keesler! <grin>
Jim
Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy


On Friday, May 30, 2025 at 02:32:14 PM CDT, Dave Merrill <[email protected]> wrote:


"A typical remedy is to sharply strike the microphone against a solid surface..."

Isn't that the typical remedy for anything that's not working? /s

Dave N9ZC 

On Fri, May 30, 2025, 12:46 PM Brenda Gentry via Milsurplus <[email protected]> wrote:

ATTACHED is the method recommended by Western Electric to rejuvenate carbon microphones.

  B.Gentry, KA2IVY

On 5/30/25 1:22 PM, Rich MC Clung via Milsurplus wrote:
Check the microphone element. Most of that older equipment had carbon composition microphones. The carbon sometimes becomes compacted. We used to take the microphone element and tap it a few time on the bench top and check it a few times to see if it was working any better.

RICH  WA6KNW


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