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General Car Audio
Sound Quality: The Sealed/Ported misconception
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<blockquote data-quote="helotaxi" data-source="post: 361445" data-attributes="member: 550915"><p>Pleasing sound is what sounds good to a person, Sound Quality is accurate reproduction of the signal presented.</p><p></p><p></p><p>The more you type the more you show how little you really do know. The pressure inside a ported box IS higher than inside a sealed box whether you choose to believe the PHYSICS behind it or not. Just because you think the law of gravity isn't correct, doesn't mean you won't fall if you jump off a building. The cone on a sub in a vented enclosure moves LESS at resonance than it does above resonance whether you choose to believe it or not. Displacement limited power handling for a sub in a vented enclosure is MUCH higher at or above resonance than for the same driver in a sealed enclosure. Why? Because the air moving in and out of the port works to dampen the movement of the cone and keep the sub from reaching its mechanical limits. Result, the stress on the woofer in higher. Below resonance the air moves through the port and the pressure equalizes during the stroke and the inertia of the air moving in and out of the enclosure actually pushes/pulls the woofer farther than it wants to move. Result, overexcursion and likely a trashed woofer. But, hey its just physics, not like there's any science behind it or anything. Feel free to disagree.</p><p></p><p></p><p>Fact is you haven't actually understood anything that anyone who knows anything about the topic has said. Since their SCIENCE does not agree with your OPINION, they obviously must be wrong and you are clearly correct. Pardon me for disagreeing with you, your Highness. The Earth really IS flat.</p></blockquote><p></p>
[QUOTE="helotaxi, post: 361445, member: 550915"] Pleasing sound is what sounds good to a person, Sound Quality is accurate reproduction of the signal presented. The more you type the more you show how little you really do know. The pressure inside a ported box IS higher than inside a sealed box whether you choose to believe the PHYSICS behind it or not. Just because you think the law of gravity isn't correct, doesn't mean you won't fall if you jump off a building. The cone on a sub in a vented enclosure moves LESS at resonance than it does above resonance whether you choose to believe it or not. Displacement limited power handling for a sub in a vented enclosure is MUCH higher at or above resonance than for the same driver in a sealed enclosure. Why? Because the air moving in and out of the port works to dampen the movement of the cone and keep the sub from reaching its mechanical limits. Result, the stress on the woofer in higher. Below resonance the air moves through the port and the pressure equalizes during the stroke and the inertia of the air moving in and out of the enclosure actually pushes/pulls the woofer farther than it wants to move. Result, overexcursion and likely a trashed woofer. But, hey its just physics, not like there's any science behind it or anything. Feel free to disagree. Fact is you haven't actually understood anything that anyone who knows anything about the topic has said. Since their SCIENCE does not agree with your OPINION, they obviously must be wrong and you are clearly correct. Pardon me for disagreeing with you, your Highness. The Earth really IS flat. [/QUOTE]
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Sound Quality: The Sealed/Ported misconception
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