[Milsurplus] [ARC5] N-1 Carbon Mic Element and T-17s

[mac]

T-17 (and other) electret replace element circuit I've used with good  
results available on request.

Dennis D.  W7QHO
Glendale, CA

*****************
On Oct 21, 2012, at 3:06 PM, Jim Haynes wrote:

> I've often wondered if even a new T-17 is intentionally insensitive so
> that the user in the airplane has to shout to be heard over all the
> ambient noise.
>
> There are electret replacements for carbon mikes, so you might be
> able to fit one of those into the T-17 housing.  I bought some from
> Mike Sandman that are intended as replacements for the T1 element in
> the G handset used with 500 line telephones.  Somewhere I have the
> schematic of what's inside the mike, if you want to try making
> your own with an electret element from Radio Shack or elsewhere.
>
> A while back someone pointed out that the Radio Shack electret  
> elements
> are wide-band, but there are some others out there that are  
> specialized
> narrow band for communication use.
>
> jhhaynes at earthlink dot net
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