[Boatanchors] Carbon Mic Rejuvination

[Charlie , W5COV]

I read once that the old commercial broadcast stations used a type of oven 
that they would put their microphones in when not in use , to keep them 
dried out . I've heard of the good old banging them on the table too .

I have a pair of T-17's I picked up years ago and every once in a while they 
are fun to use on a project .

Charlie , W5COV

> Heard a rumor about rejuvenating old carbon microphones with AC  published 
> somewhere (ER maybe?).  Anybody know more?  My experience  with the old 
> military mics (T17 & the like) is that they either play  or they don't, 
> banging on the table , etc., never worked for me  anyway.  Damn things can 
> surprise you though, just picked up a pair  labeled "Microphone T-17 
> 4857-CHI-42.  Rattiest looking units I've  ever seen and both work great!
>
> Dennis D.  W7QHO
> Glendale, CA
>
>
>
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