No matter how many times it's told, there are always nonbelievers; assuming because you have a hole in an enclosure, it is ported, yes your enclosure has a hole in it but it is not a properly vented box, what you have is a leaky sealed box, and sadly it lacks the good things gained when you properly port a enclosure. Here is a technical understanding: http://www.bodziosoftware.com.au/PORTS.pdf