Nope, the tests were about a year apart, and I've attached and detached the cables a couple of times since. Also, my cabling system pretty much avoids this altogether. It doesn't seem to be a bad tweeter; I've checked this a few times.

Hope it's not the receiver... that's out of warranty, and I can't swing a new one right now.

I am the Doctor, and THIS... is my SPOON!