Originally Posted by S.fasciani
I just checked the horn/tweeter and it works fine.
any other thought on what this could be?
It's the inductor for the high pass filter to the tweeter. If you can solder it's a very easy repair as long as the inductor isn't damaged.
As you found out, the tweeter will still work, but don't be surprised if you blow it if left as-is. What is supposed to be a 3rd order filter is now a 1st order one, not ideal.