Hard to tell what this means but we have all seen quality companies of many different products partner or merge with other companies and the quality be impacted one way or the other.

I ordered 2 Radian diaphragms today.



Materion and Radian Audio Partner to Increase Production of High-End Truextent® Acoustic Beryllium Diaphragms

https://radianaudio.com/blogs/our-news/materion-and-radian-audio-partner-to-increase-production-of-high-end-truextent-acoustic-beryllium-diaphragms