HGP speaker drivers?


I own a pair of HGP Lyra SoNova speakers and one of the upper bass driver is broke. Does anyone happen to know what manufacturer has originally made them?  Model of driver is 17/oopkk 17cm Konus
Kevlarmembran mit
Keramikbeschichtung.

HGP  is not active Company anymore.

sondek12lp