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Low Earth Orbit
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Double 10 and Horn
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<blockquote data-quote="Martin Adams" data-source="post: 208192" data-attributes="member: 11982"><p>A friend of mine is an experienced designer of horn systems and he explained to me that using a HF horn at frequencies that low (in relation to the horn specs) results in a bad vertical directivity in that frequency band. I've also found this behaviour in the RCF sheet for the ART745a using also the ND950 and 650Hz crossover (see <a href="http://www.rcf.it/de_DE/products/pro-speaker-systems/art-7-series/art-745-a" target="_blank">http://www.rcf.it/de_DE/products/pro-speaker-systems/art-7-series/art-745-a</a> / spec sheet / second page bottom right 700-1.200 Hz). Did you ever realize/recognize that issue (particularly indoor)? This also means that the driver needs to "throw out" a lot of acoustical power (same level on axis with broad dispersion means more energy) at that band...</p></blockquote><p></p>
[QUOTE="Martin Adams, post: 208192, member: 11982"] A friend of mine is an experienced designer of horn systems and he explained to me that using a HF horn at frequencies that low (in relation to the horn specs) results in a bad vertical directivity in that frequency band. I've also found this behaviour in the RCF sheet for the ART745a using also the ND950 and 650Hz crossover (see [url]http://www.rcf.it/de_DE/products/pro-speaker-systems/art-7-series/art-745-a[/url] / spec sheet / second page bottom right 700-1.200 Hz). Did you ever realize/recognize that issue (particularly indoor)? This also means that the driver needs to "throw out" a lot of acoustical power (same level on axis with broad dispersion means more energy) at that band... [/QUOTE]
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