[ARC5] Motorola TMN6054A for Carbon Mike Substitute

[Michael Clarson]

Dave: Try shorting the switch contacts that opens the microphone circuit.
BTW, I believe all the TMN-6054As use the cartridge. Some are plastic, some
are metal. The earlier TMN-6013A is same microphone, but with a more
conventional connector, and colored grey/beige. Note that it is NOT a
standard 4 pin Amphenol connector -- the keyway is in a different location.
Get the control head too for the mating connector. While there are tons of
these around, folks have probably stopped carting them back and forth to
hamfests. --Mike, WV2ZOW

On Wed, Sep 5, 2018 at 9:55 PM David Stinson <arc5 at ix.netcom.com> wrote:

> Been telling myself to try one of these Motorola
> TMN6054A mics as many have recommended for, oh,
> about 25 years.  Finally ordered one to try.  It
> works well with the 24V SCR-274N, but it
> motorboats when I try to use it on the 12V TCS.
> If I yell into it, the  motorboating will stop,
> but then start again next key.  Anyone
> investigated this?  Probably a look at both mic
> circuits side-by-side would tell but maybe someone
> has already looked at this?
>
> GL OM ES 73 DE Dave AB5S
>
>
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