nyceddie Posted September 30, 2012 Report Share Posted September 30, 2012 Hi all, newbie here. I've acquired a pair of crossovers and a pair of tweeters removed from a pair of AR15 but the older type, not the new AR15 that show what looks like a port on the front.I cannot find any info on the speakers and all I want to know is the approximate date of manufacture. All help will be appreciated.The tweeter is grungy because I have not cleaned it yet. Link to comment Share on other sites More sharing options...
michiganpat Posted October 1, 2012 Report Share Posted October 1, 2012 they were part of the ADD (Advanced Development and Design) series introduced in the 1976 time frame, and I believe ran to ~'80 when they were replaced by the S series Link to comment Share on other sites More sharing options...
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