speaker drivers

Does anyone know of a source for good used or NOS Dynaudio 17W75XL drivers? These were used in some Dynaudio models, many DIY kits of the 80s/90s/ and Totem Acoustic models such as the Mani-2. I have read that Dynaudio themselves won't sell any drivers directly to anyone anymore.

I recently acquired a pair of what I assumed to be trash Olson Speakers. Nice enclosures though, large, heavy well built walnut cabinets. Inside I discovered very nice Jensen Low and mid drivers. I can identify those. What I need help with is the high frequency drivers. Are these Jensen...