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Message: <blockquote data-quote="audio_phill" data-source="post: 7252296" data-attributes="member: 605512"><p>lol, cone area is not the dominating factor in efficiency, Q parameters are, a high Qes 21 is far less efficient than a Low Qes 12. Efficiency (reference efficiency, or "No") will show which sub uses the power more efficiently as well so sensitivity is a decent place to begin looking to indicate a subs output capability, but no one remembers to factor in actual power the sub is turning into sound. Excursion is only useful if the BL remains linear, and if the Bl/MMs isn't idea linear BL doesn't translate into output as thought by most. A subs displacement (area x stroke) is a useless figure if looked at outside linear BL, as soon as the cone begins to loose force, the air the sub is displacing isn't increased effectively beyond linear BL unless in a sealed box, sealed cabin situation where no air can be lost.</p></blockquote><p></p>

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