Offered for your consideration is one (1) vintage piezoelectric tweeter, removed from a BML Tracer 1001A two-way speaker manufactured in 1989. With a BML custom-configured frame, this is an uncommon piezo high frequency driver. I believe the tweeter is a Motorola unit and it may have been used in other period BML speakers.

So, please see the large photos I’ve taken and read the remaining description to determine if this uncommon tweeter is correct for your needs.



This piezo tweeter is in clean, excellent condition. The black-painted fiberboard is in nice shape and the hard plastic speaker casing has no cracks or imperfections noted. Plus, the grille cover is perfect as well. Lastly, the double-type” +/- terminals measure the industry standard .205” and I’ve left the factory wires soldered to the spades for the next owner’s convenience in retrofitting to their 1001A speaker (simple wire nuts were used to connect the driver wires to the crossover wires in the BML speaker).



It’s been fully tested and sounds very clear with the upper frequency crispness that piezo units are known for. No DC resistance test was taken since piezo tweeters don’t give a reading like drivers with a conventional voice coil and magnet. Lastly, the tweeter is attached to the faceplate which is 3⅜” square, about ½” thick, and the mount holes are spaced 2¾” adjacent / 3⅞” diagonal apart, c-t-c.



As pictured and described, this well-preserved BML Tracer 1001A piezo tweeter is offered at a competitive price.


Terms of Sale:

I encourage interested parties to ask any questions about this listing.  Payment is due at checkout by PayPal or other accepted methods. U.S. mailing addresses will pay $5.95 for very carefully packed shipping via U.S. Postal Service with tracking and delivery confirmation. International purchases accepted only from those who are able to pay with PayPal, including shipping by U.S Postal Service First Class Parcel Air Mail. Thanks for looking!


*the cabinet sticker and emblem photos are presented only for donor model reference