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<blockquote data-quote="Kybasshead75" data-source="post: 8719202" data-attributes="member: 681033"><p>I've heard people say that for years but the fact that pioneer designed it to be down firing should tell you they know what they're doing and empirically I have liked every downfiring box properly built that I've ever heard of the best base I ever heard in a home theater system was a single 18 inch cerwin Vega that had the subfiring down to the floor and the port loading into the corner of the wall. </p><p>what those people don't talk about is the phenomenon of cone reinforcement when the cone is close to a surface to load onto it will keep its shape better resulting in less distortion and Spike the impedance up to your amp a little bit forcing it to work harder also which means a little more juice and less distortion. A good formula is using the radius of the active cone area as the distance from the cone to the floor.</p></blockquote><p></p>
[QUOTE="Kybasshead75, post: 8719202, member: 681033"] I've heard people say that for years but the fact that pioneer designed it to be down firing should tell you they know what they're doing and empirically I have liked every downfiring box properly built that I've ever heard of the best base I ever heard in a home theater system was a single 18 inch cerwin Vega that had the subfiring down to the floor and the port loading into the corner of the wall. what those people don't talk about is the phenomenon of cone reinforcement when the cone is close to a surface to load onto it will keep its shape better resulting in less distortion and Spike the impedance up to your amp a little bit forcing it to work harder also which means a little more juice and less distortion. A good formula is using the radius of the active cone area as the distance from the cone to the floor. [/QUOTE]
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