[zieglj01]

At Madisound

These look interesting and a good price -- I sure would like to here them -- however, I donated my Siming speakers (Dayton like clones) -- I am going to keep an eye out for some cheap or older RadioShack speakers on Craiglist and Ebay -- it seems that they can play lower than those old popular poly-carbonate 1/2 inch dome tweeters. For someone who wants to mod some speakers, it could be a cool thing and be cheap and cheerful.
https://www.madisoundspeakerstore.com/specials/prd100-planar-ribbon-tweeter-4-ohm/

[Phil A]

If you're looking for the speakers with the old Linaeum tweeters (either Radio Shack's or Linaeum's own speakers) - one can search here too - http://www.adhuntr.com/p/results.html?cx=partner-pub-9413604915893153%3Ao8xsd8d7h7s&cof=FORID%3A11&ie=UTF-8&newwindow=1&q=linaeum&as_qdr=a&sa=Search&m=1

[zieglj01]

If you're looking for the speakers with the old Linaeum tweeters (either Radio Shack's or Linaeum's own speakers) - one can search here too - http://www.adhuntr.com/p/results.html?cx=partner-pub-9413604915893153%3Ao8xsd8d7h7s&cof=FORID%3A11&ie=UTF-8&newwindow=1&q=linaeum&as_qdr=a&sa=Search&m=1

I owned some of them in the past.

[Phil A]

I owned some of them in the past.

I did as well.  Gave them away.  Once or so a year I'll look for a local pair just for kicks.

[BoJonJovi]

The Dayton B652 has a pleated ribbon diaphragm AMT tweeter.

https://www.parts-express.com/dayton-audio-b652-air-6-1-2-2-way-bookshelf-speaker-with-amt-tweeter-pair--300-651

Interestingly, you can buy the bookshelf speakers as a pair cheaper than a pair of tweeters alone. Same tweets.

https://www.parts-express.com/dayton-audio-amt-mini-8-air-motion-transformer-tweeter-8-ohm--275-095