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Junior Varsity
Help me understand the concept of speaker “throw” please.
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<blockquote data-quote="Carl Klinkenborg" data-source="post: 213494" data-attributes="member: 12770"><p>It is a path-length refractor. The multiple plates (the spacing of which determines cut-off frequency and must be small compared with the wavelength) introduce path length differences due to their edge curvature but without changing the direction of the wave. ie. it is not 'directed downwards' as would appear to be the intuitive result. An alternative way of understanding it is that the varying length the sound wave travels through the lens introduces a varying time delay, shaping the wavefront .</p></blockquote><p></p>
[QUOTE="Carl Klinkenborg, post: 213494, member: 12770"] It is a path-length refractor. The multiple plates (the spacing of which determines cut-off frequency and must be small compared with the wavelength) introduce path length differences due to their edge curvature but without changing the direction of the wave. ie. it is not 'directed downwards' as would appear to be the intuitive result. An alternative way of understanding it is that the varying length the sound wave travels through the lens introduces a varying time delay, shaping the wavefront . [/QUOTE]
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Junior Varsity
Help me understand the concept of speaker “throw” please.
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