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<blockquote data-quote="Moble Enclosurs" data-source="post: 7638877" data-attributes="member: 634917">You&#039;re not looking for maximum air flow, otherwise you can have a port that just blows a lot of air out. You are looking for a coupled compression between the chamber and the environment. That being said, for round ports, the placement in the enclosure is more critical than slot ports due to that coupling needed.Best to have it as far away from the sub as possible, but a general well known rule is at least the distance of the drivers diameter away from the source. And loaded around the corner of the enclosure with another general rule of having the port at least the diameter away from any given obstacle, such as walls, bracing, magnets, etc. This induced the loading more effectively, and relies less on pressure for more output.pressure and intensity are separate factors of output. One involves air movement at a variable rate depending on physics of the environment, where the molecules can and will be moved around in many directions, and one invokes the manipulation of those air molecules by compression and expansion rather than point a to point b. Its the compression and expansion that causes intensity. The higher rate of compression and expansion, the more intense. This can be done even without blowing around air.So, focus on that when dealing with port placement.</blockquote>

[QUOTE="Moble Enclosurs, post: 7638877, member: 634917"] You're not looking for maximum air flow, otherwise you can have a port that just blows a lot of air out. You are looking for a coupled compression between the chamber and the environment. That being said, for round ports, the placement in the enclosure is more critical than slot ports due to that coupling needed. Best to have it as far away from the sub as possible, but a general well known rule is at least the distance of the drivers diameter away from the source. And loaded around the corner of the enclosure with another general rule of having the port at least the diameter away from any given obstacle, such as walls, bracing, magnets, etc. This induced the loading more effectively, and relies less on pressure for more output. pressure and intensity are separate factors of output. One involves air movement at a variable rate depending on physics of the environment, where the molecules can and will be moved around in many directions, and one invokes the manipulation of those air molecules by compression and expansion rather than point a to point b. Its the compression and expansion that causes intensity. The higher rate of compression and expansion, the more intense. This can be done even without blowing around air. So, focus on that when dealing with port placement. [/QUOTE]

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