Ok so I have a JL w0v2-12 that I am using as a home audio sub and it got a puncture in the cone and it has slowly grown over the years and now it is making quite an annoying noise on low notes. This is an older model and I don’t have original purchase receipt so JL warranty is completely out of the question. I’m trying to do this as cheap as possible. What is the best bet? I really kinda don’t wanna just silicone it shut because that looks trashy and I want to actually do it right. It’s about 2 1/2 inches in a curve , so it needs a lot of love , lol. Any help is appreciated , thanks in advance.