The BC-611 does not contain a carbon microphone element.

73,

John K9WT

On 5/30/2025 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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