SAMH5
Designed to be loaded with Faital 5FE100 and mounted with M5 threaded inserts.
It uses an Oblate-spheroïd expansion with an annular phase-plug.
Stuff the rear chamber with some damping material.
It can play to 120 to 3700Hz with some EQs, and has a 60° per 60° symetric coverage !
You can find the preset and more infos here :
https://soundagency.fr/docs/samh5-v2-le-retour-des-makers/