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In Reply to: RE: I know all that and you have'nt answered the question. posted by pictureguy on August 24, 2015 at 22:21:33:
I just read your post, and it brought back flashbacks. When I was a 20-something, installing commercial systems in places like schools, churches, factories, etc., it was pointed out to me that a second use of the classroom P.A. speaker was to listen in on what was going on in the classroom. Yes... the loudspeaker was used as a microphone as well. Makes perfect sense, I just hadn't thought of it before then.
:)
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Follow Ups
- RE: I know all that and you have'nt answered the question. - Inmate51 07:45:38 08/27/15 (1)
- RE: I know all that and you have'nt answered the question. - pictureguy 09:14:51 08/27/15 (0)