[MRCA] Carbon Mic Checking
Joe Foley
redmenaced at yahoo.com
Tue Aug 5 21:50:32 EDT 2008
Well,...
At least you feel better now. It was a last resort.
Joe
--- On Tue, 8/5/08, Bill Ramsey <ka8wtk at ohio.net> wrote:
> From: Bill Ramsey <ka8wtk at ohio.net>
> Subject: RE: [MRCA] Carbon Mic Checking
> To: "'Military Radio Collectors Association'" <mrca at mailman.qth.net>
> Date: Tuesday, August 5, 2008, 7:26 PM
> Hello All,
> BANG! BANG! BANG! (Sound of beating mic on table) No
> change.
> Modulation control is up all the way, clipping down all
> the way and line
> level up all the way. No joy. I got out the old analog
> meter to check the
> element, shows about 1K static. There is almost no
> deflection when yelling
> into the element. Fed some audio into the rig from a small
> audio amplifier
> and the unit modulates. Looks like I probably have a bad
> element. (Agree?)
> I have heard of ways to get old telephone carbon buttons
> working again,
> but I can't remember if it involved baking them or
> freezing them. It is
> probably easier to just get another element and try it.
>
> Bill KA8WTK
>
>
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