[Boatanchors] Carbon Mic Rejuvination

[Al Klase]

Simple:  Audio-frequency electrical energy out (watts) divided by 
acoustic energy in (watts)

Al

On 3/16/2013 1:23 PM, rbethman wrote:
> 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
>>
>
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/