hello everyone, I have 2 of these baby's I bought those subs 2 years ago they are new have not used them 😅😅😅 now I want to build a 📦 for may baby's. I know that ma audio A recommends a ported enclosure 3.0 CuFt of internal volume. What I do not know is how to get the port size or length. Pls help me I do want to hear how these baby's sound. Thank y'all in advance.