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(snip)
> Could one of you offer a simple solution for stereo input
to the headsets which would automatically mute when
receiving a com transmission?

Angier,

What you're asking for here is not so simple a task.  It
would involve the construction a voice operated relay (VOX)
that would also switch all the headsets from stereo (music
source) to mono (com radio) when it detected a signal from
the com.

I would highly recommend one of the many available
intercoms which have this function built in.  It will save
you considerable amount of time and effort.  I use the
Flightcom 403 in my LNC2 available from places such as
http://www.gulf-coast-avionics.com/.  If price is an issues,
http://www.rst-engr.com/ has a kit intercom with an AUX
music input but I'm not sure if it is stereo.

Hope this helps.

Neil Kruiswyk


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