[Milsurplus] BC-611 question

[Brenda Gentry]

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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