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<blockquote data-quote="Raven" data-source="post: 824872" data-attributes="member: 558368">^ Agreed.As for the &quot;dual tuning&quot;, well, ignore it. I&#039;m thinking pretty 2 dimensional. First things first, this is just air pressure. Up wave is high, down wave is low.Theory A:If two high waves meet, they could possibly reflect each other, and immediately go back to occupy the low pressure space immediately behind it. The top wave will strike, cancel itself out, AND affect the backwave. Uber cancellation occurs.Theory B:You make the entire box a high pressure zone (back wave) and the air has to go somewhere. So whats it do? Since both sides of the enclosure have an equally high amount of pressure, the air goes out the port, where there is less air pressure and more empty space to occupy. The front wave occurs, and the exact opposite happens, you make a low pressure zone, so air rushes in to fill the space, and divides evenly between the two equally depressurized chambers. Cancellation is neglegible.Overthought this yet? Here&#039;s Chubby&#039;s take:During the back wave, the excess pressure races for it&#039;s only exit (again). Rather than getting stuck in a corner and creating turbulence, it bounces off the corner block at a nice angle. Now in the port, the second bend it hit the same way. It&#039; only at the end that both waves meet, and they&#039;re now both going in the same direction, so they naturally combine.Yay, I&#039;m bored.END Self proclaimed expert mode; Wheeeee.</blockquote>

[QUOTE="Raven, post: 824872, member: 558368"] ^ Agreed. As for the "dual tuning", well, ignore it. I'm thinking pretty 2 dimensional. First things first, this is just air pressure. Up wave is high, down wave is low. Theory A: If two high waves meet, they could possibly reflect each other, and immediately go back to occupy the low pressure space immediately behind it. The top wave will strike, cancel itself out, AND affect the backwave. Uber cancellation occurs. Theory B: You make the entire box a high pressure zone (back wave) and the air has to go [I]somewhere[/I]. So whats it do? Since both sides of the enclosure have an equally high amount of pressure, the air goes out the port, where there is less air pressure and more empty space to occupy. The front wave occurs, and the exact opposite happens, you make a low pressure zone, so air rushes in to fill the space, and divides evenly between the two equally depressurized chambers. Cancellation is neglegible. Overthought this yet? Here's Chubby's take: During the back wave, the excess pressure races for it's only exit (again). Rather than getting stuck in a corner and creating turbulence, it bounces off the corner block at a nice angle. Now in the port, the second bend it hit the same way. It' only at the end that both waves meet, and they're now both going in the same direction, so they naturally combine. Yay, I'm bored. [I]END Self proclaimed expert mode; Wheeeee.[/I] [/QUOTE]

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