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Shootout: KF650e vs DX1565
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<blockquote data-quote="Rob Timmerman" data-source="post: 57142" data-attributes="member: 172"><p>Re: Shootout: KF650e vs DX1565</p><p></p><p></p><p></p><p>The inverse-square law applies to all finite sources, but only in the far field (i.e. when you are far enough away for the source to be well approximated as a point). For a properly long line array, that should be beyond your listening area, so the array can be treated as a line source, yes. But large "point source" arrays may have large enough emitting area that they need to be treated as the area sources they are, which have *no* decrease in output with an increase in distance. This is one of the reasons that larger loudspeaker cabinets aren't measured at 1m.</p></blockquote><p></p>
[QUOTE="Rob Timmerman, post: 57142, member: 172"] Re: Shootout: KF650e vs DX1565 The inverse-square law applies to all finite sources, but only in the far field (i.e. when you are far enough away for the source to be well approximated as a point). For a properly long line array, that should be beyond your listening area, so the array can be treated as a line source, yes. But large "point source" arrays may have large enough emitting area that they need to be treated as the area sources they are, which have *no* decrease in output with an increase in distance. This is one of the reasons that larger loudspeaker cabinets aren't measured at 1m. [/QUOTE]
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