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Low Earth Orbit
DIY Audio
A not so DIY line array
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<blockquote data-quote="Peter Morris" data-source="post: 202233" data-attributes="member: 652"><p>Not really - my application is theatre so I wanted a small compact array with extreme sound quality. To get a horn to work at the low frequency it needs to be big.</p><p></p><p>If you put a horn exit (or a driver) either side of the HF driver such as the DIY 60/90 the horizontal pattern becomes too narrow in the mid frequencies.</p><p></p><p>If you do that then you have to have some of the mid frequencies entering through the HF horn mouth or make the HF horn quite narrow. Having the mid frequencies enter through the HF horn mouth is tricky ... and difficult to build, making the horn mouth narrow compromises its directivity.</p><p></p><p>Using a AMT HF driver should give me the acoustic performance I wanted and minimize the interactions between each of the array elements ... but they are not that loud - 104 dB/W/m 120 watts AES 240 programme.</p><p></p><p><a href="http://www.beyma.com/uploads/descargas/1355215071.pdf" target="_blank">http://www.beyma.com/uploads/descargas/1355215071.pdf</a></p><p><a href="https://www.supersonic.se/dokument/tpl-150%20BEYMA_esen.pdf" target="_blank">https://www.supersonic.se/dokument/tpl-150 BEYMA_esen.pdf</a></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 202233, member: 652"] Not really - my application is theatre so I wanted a small compact array with extreme sound quality. To get a horn to work at the low frequency it needs to be big. If you put a horn exit (or a driver) either side of the HF driver such as the DIY 60/90 the horizontal pattern becomes too narrow in the mid frequencies. If you do that then you have to have some of the mid frequencies entering through the HF horn mouth or make the HF horn quite narrow. Having the mid frequencies enter through the HF horn mouth is tricky ... and difficult to build, making the horn mouth narrow compromises its directivity. Using a AMT HF driver should give me the acoustic performance I wanted and minimize the interactions between each of the array elements ... but they are not that loud - 104 dB/W/m 120 watts AES 240 programme. [URL]http://www.beyma.com/uploads/descargas/1355215071.pdf[/URL] [URL]https://www.supersonic.se/dokument/tpl-150%20BEYMA_esen.pdf[/URL] [/QUOTE]
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A not so DIY line array
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