snhirsch Posted October 25, 2015 Report Share Posted October 25, 2015 In digging through my Olde Stuffe, I came across two brand-new-in-the-box AR replacement tweeters. The outside of the box says:P/N 200005 1 1/4" HIGHRANGEI opened one box and the device has a label on the magnet:1200005-0There's a plastic cover taped over the cone (which looks intact) and a strip of gasket material.What speaker are these intended for? Link to comment Share on other sites More sharing options...
joelongwood Posted October 25, 2015 Report Share Posted October 25, 2015 I believe they are for the AR 4x series of speakers. Link to comment Share on other sites More sharing options...
DavidR Posted October 25, 2015 Report Share Posted October 25, 2015 According to an old AR parts list I have it's for AR 4xa, 6 and 7 speakers. Link to comment Share on other sites More sharing options...
ra.ra Posted October 25, 2015 Report Share Posted October 25, 2015 I think Joe may be confusing this with the 2-1/2" tweeter used in the 4x, but David is correct that this p/n XXX005 tweeter was found in the "newer" early 70's small two-way models as he has already noted. I believe this particular part number may be the very first iteration of this very successful tweeter, which experienced several design tweaks (and p/n revisions) through its evolution and found its way into several other AR models (AR-8, 17, 18, MST, 93, 94, 18B, 28B........).The 005 tweeter (on the left in attached pic) is characterized by a smaller magnet (2-1/8" dia.) and the straight lead wires, and was produced for either front or rear wiring. The magnet size in later versions is closer to 2-5/8" diameter, and the final ones had the curved lead wires which I assume allowed for greater cone movement. Also, the amount of ferro-fluid may have varied as it evolved. Link to comment Share on other sites More sharing options...
joelongwood Posted November 3, 2015 Report Share Posted November 3, 2015 "I think Joe may be confusing this with the 2-1/2" tweeter used in the 4x,"(3) 1-1:4 tweets.jpgI stand corrected. Hey.......I'm old! ;-) Link to comment Share on other sites More sharing options...
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