_jis_I have some very good news, but before that, I just want to thank you for your time! I really appreciate it.
Thanks man, I am checking those references you've been adding. I'll try them all and if no change, then try to get a spare.
It is now too late for any attempts to remove moisture, this is completely unnecessary.
I'm now convinced that the speaker is indeed faulty
I can't begin to guess what exactly is damaged. What you're seeing is some kind of side effect of one or more primary water damage.