{Collins} Electrovoice Aviation Microphone M92A/U
- To: collins <collins@xxxxxxxxxxxxx>
- Subject: {Collins} Electrovoice Aviation Microphone M92A/U
- From: Roy Morgan <k1lky68@xxxxxxxxx>
- Date: Sun, 9 Nov 2014 20:05:44 -0500
- Delivered-to: collins@xxxxxxxxxxxxx
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Collins folks,
I’ve unearthed an Electro-Voice Aviation Microphone M92A/U with cord and PJ-068 plug. I assume this was used in aircraft from what I can learn on the Internet.
The element in it is very much like the mike on my flight helmet. The case appears to include a transformer, two RF chokes and the switch. I wonder what is in that potted compartment in there.
I’m assuming that the plug tip is grounded when the switch is pushed, but I can’t get ohmmeter continuity.
Has anyone used this kind of mike on their S-line or other transmitter?
Roy
Roy Morgan
RoyMorgan@xxxxxxxxxxxx
K1LKY Since 1958
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