I’ve got an LC1-a and MI-11411 that I purchased from a guy on AK. The tweeters on both were repaired, though I don’t know what was done or by whom. I believe the voice coils of the original tweeters were repaired somehow but both tweeters now have dust caps rather than than the visible screw seen on the originals, so I’m not entirely sure that a new tweeter wasn’t installed somehow. The seller claimed to have heard them with original LC1’s and could not hear any difference between the repaired and original drivers. I have reached out to the seller to see if he has any additional info on the repair or a contact for who did the work. I’m hoping it may be a remedy for some of those with non-functioning tweeters. I’ll try to upload some photos of my drivers this weekend and will update with any additional info about the repair.