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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Frederik Mide-Andersen" data-source="post: 208470" data-attributes="member: 11975"><p>Well, the horn was just a consequence of the source size requirement.</p><p>It does reduce power draw from just below it cutoff, and I guess that allows one to feed the less efficient lower band some more juice. Subjectively, I find that the heavier cones (compared to 12s), benefits from the "horn sound", which I attribute to adiabatic amplitude/pitch modulation, restoring the "fastness" found in smaller drivers. It does, however, also introduce some resonances to be dealt with in the DSP work.</p><p></p><p>These measures 716mm H x 450mm D x 450mm W (close to a perfect 1.6 Fibonacci ratio).</p><p></p><p>I suspect yours must benefit from a slightly lower tuning then</p><p></p><p>Fred</p></blockquote><p></p>
[QUOTE="Frederik Mide-Andersen, post: 208470, member: 11975"] Well, the horn was just a consequence of the source size requirement. It does reduce power draw from just below it cutoff, and I guess that allows one to feed the less efficient lower band some more juice. Subjectively, I find that the heavier cones (compared to 12s), benefits from the "horn sound", which I attribute to adiabatic amplitude/pitch modulation, restoring the "fastness" found in smaller drivers. It does, however, also introduce some resonances to be dealt with in the DSP work. These measures 716mm H x 450mm D x 450mm W (close to a perfect 1.6 Fibonacci ratio). I suspect yours must benefit from a slightly lower tuning then Fred [/QUOTE]
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New DIY Mid High (90deg) - AKA PM90
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