This is what happens when you turn up the volume on Metallica a few notches too many.
Surprised to see the ribbon tweeters have literally "caramelized" from being driven too hard.
The local Australian distributor sorted me out with a replacement tweeter that took a few minutes to swap out so...
Delighted to have stumbled across this group and look forward to sharing experiences.
Have recently taken the stereo out of storage so will no doubt be seeking assistance to get my Motion 40's sounding their best in their new home.