Hales Concept 5

I've a Concept 5 that needs midrange replacement. How can I source them? Would anyone know what make it is? Or what it be replaced with? Thanks I appreciate your help
Hi........ the 2" midrange is an MB Quart modified by Hales. Good luck finding one.
check out: madisound.com
Call Miller Sound in Lansdale PA he knows most speakers and does repair work He may be able to help, here is the number, 215 412-7700

Good Luck and Happy Listening.
Would you know what make and model. Just checked out the Madisound website but got lost in the multitude of drivers they carry. Any idea if changing to a dynaudio or scan speak will improve the sound?
Would you know a lead on how to source the Hales midrange?