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<blockquote data-quote="Jay Barracato" data-source="post: 92380" data-attributes="member: 24">Re: Cardioid Subs in a Smaller venue.Argh, what is <a href="http://soundforums.net/ajax.php" target="_blank">http://soundforums.net/ajax.php</a>. My computer has eaten my answer four times and left me on this blank page without posting.This is the point I have been trying to make. In order to have wave cancellation, you must have two separate waves. Where the drivers couple, only one wave is formed. If one of the two drivers is out of polarity, most of the energy is not converted into wave form, i.e. the driver does no or little work on the air. I am using WORK in the physics meaning.This seems to support what I amtrying to say as well, but I am also trying to add that I believe the physical bulk of the speaker box allows you to position them closer together without coupling. I am not talking about a boundary relative to a wave. I am talking about a barrier between the masses of air each driver does work on. I believe this physical barrier allows the drivers to be closer together without coupling. While the distances at which coupling occurs is dependent on wavelegth, in physics terms coupling is not a wave function based on multiple waves.I have been trying in DDT and still can&#039;t get anything to work. Either the drivers are in polarity and couple, or out of polarity and completely cancel.</blockquote>

[QUOTE="Jay Barracato, post: 92380, member: 24"] Re: Cardioid Subs in a Smaller venue. Argh, what is [URL]http://soundforums.net/ajax.php[/URL]. My computer has eaten my answer four times and left me on this blank page without posting. This is the point I have been trying to make. In order to have wave cancellation, you must have two separate waves. Where the drivers couple, only one wave is formed. If one of the two drivers is out of polarity, most of the energy is not converted into wave form, i.e. the driver does no or little work on the air. I am using WORK in the physics meaning. This seems to support what I amtrying to say as well, but I am also trying to add that I believe the physical bulk of the speaker box allows you to position them closer together without coupling. I am not talking about a boundary relative to a wave. I am talking about a barrier between the masses of air each driver does work on. I believe this physical barrier allows the drivers to be closer together without coupling. While the distances at which coupling occurs is dependent on wavelegth, in physics terms coupling is not a wave function based on multiple waves. I have been trying in DDT and still can't get anything to work. Either the drivers are in polarity and couple, or out of polarity and completely cancel. [/QUOTE]

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