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DIY For Audio
DIY B&W Nautilus speakers
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<blockquote data-quote="Timber_MG" data-source="post: 496811" data-attributes="member: 18"><p>That is indeed possible. The rear of those lines is open and not closed except for the woofer. I guess that they are tuned to the driver in the case of the two mids on the Nautilus. You can get some very interesting effects by carefully tuning the line. If I don't end up with my 4"ers on a horn I have exactly that planned for them.</p><p></p><p>The G1 vented transmission line is acoustically a mass loaded transmission line for example. It's not the kind of thing simply modeled, but not impossible to work out a configuration. If you're covering a wide band into the midrange you want the first bend to be a 90 degree reflector and not a smooth bend ideally to reduce energy sent back at the cone.</p><p></p><p>The concept with the metal drivers complements the ideals of absorbing rear radiation. A goodmans vintage driver is on the opposite end of that philosophy but would be interresting none the less.</p></blockquote><p></p>
[QUOTE="Timber_MG, post: 496811, member: 18"] That is indeed possible. The rear of those lines is open and not closed except for the woofer. I guess that they are tuned to the driver in the case of the two mids on the Nautilus. You can get some very interesting effects by carefully tuning the line. If I don't end up with my 4"ers on a horn I have exactly that planned for them. The G1 vented transmission line is acoustically a mass loaded transmission line for example. It's not the kind of thing simply modeled, but not impossible to work out a configuration. If you're covering a wide band into the midrange you want the first bend to be a 90 degree reflector and not a smooth bend ideally to reduce energy sent back at the cone. The concept with the metal drivers complements the ideals of absorbing rear radiation. A goodmans vintage driver is on the opposite end of that philosophy but would be interresting none the less. [/QUOTE]
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DIY & Tutorials
DIY For Audio
DIY B&W Nautilus speakers
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