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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Peter Morris" data-source="post: 208430" data-attributes="member: 652"><p>The idea is to build a double 10 or 12 inch version of this design below using RCF HF950 horn. The problem with using a 10" driver in the PM90/60 horn is the box ends up being more or less the same size and you cant really increase the crossover frequency to accommodate standard compression drivers.</p><p></p><p>The problem with a normal MTM design is controlling the vertical directivity, the double 14 prototype below behaves almost perfectly.</p><p></p><p>The software I used was Ray End .... I think Danley have bought it.</p></blockquote><p></p>
[QUOTE="Peter Morris, post: 208430, member: 652"] The idea is to build a double 10 or 12 inch version of this design below using RCF HF950 horn. The problem with using a 10" driver in the PM90/60 horn is the box ends up being more or less the same size and you cant really increase the crossover frequency to accommodate standard compression drivers. The problem with a normal MTM design is controlling the vertical directivity, the double 14 prototype below behaves almost perfectly. The software I used was Ray End .... I think Danley have bought it. [/QUOTE]
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New DIY Mid High (90deg) - AKA PM90
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