[Boatanchors] Carbon Mic Rejuvination

[rbethman]

Someone would have to demonstrate the "power gain" or modulation of a 
gate valve.

Bob - N0DGN


On 3/16/2013 12:58 PM, J. Forster wrote:
> Richard,
>
> More correctly, carbon mikes are 'energy modulators'- they modulate the
> flow of electrical energy in response to a mechanical input...  very like
> a valve for water.
>
> They DO have power gain, as do valves for water or air.
>
> Best,
>
> -John
>