@snook2 - Maybe private message member mikelavigne - Mike has both Dartzell and EA in his system, and I believe from some posts of his on WhatsBestForum that he was reasonably close to Jonathan so he might have some insight for you
Dartzeel and Evolution Acoustics Dealer in U.S
Who is the new dealer for the companies in the united states. I just found out and saddened by Jonathan's passing.