[Boatanchors] Carbon Mic Rejuvination

[Jim]

I recall a telephone repairman WHACKING a handset on a desk to loosen the 
carbon granules in the microphone.

DON'T try this on a modern telephone!

Jim


> 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
>>
>>
>>
>> ______________________________________________________________
>> Boatanchors mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Boatanchors at mailman.qth.net
>>
>> List Administrator: Duane Fischer, W8DBF
>> ** For Assistance: dfischer at usol.com **
>>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html