I found some detailed measurements, I think they'd be interesting to share with the lay person ( like me! ) who thinks Stereophile has all the measurements.
https://audioxpress.com/article/test-bench-sb-acoustics-satori-mw16tx-8-textreme-woofer
https://audioxpress.com/article/test-bench-the-ptt6-5m08-nfa-01-6-5-midrange-from-purifi-audio