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Low Earth Orbit
DIY Audio
JTR Noesis 3TX Port Geometry
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<blockquote data-quote="Art Welter" data-source="post: 209128" data-attributes="member: 52"><p>Max,</p><p></p><p>Shelf (or any shape) ports can be angled on the sides, the length works out to be roughly what it would be with a straight-sided shelf port with the same area as the mid-point of the trapezoid. The 3TX Fb is likely near 80 Hz, so does not require a very long port.</p><p>The port could have a continued section going up at the back behind the lower woofer, can't tell from the photos seen.</p></blockquote><p></p>
[QUOTE="Art Welter, post: 209128, member: 52"] Max, Shelf (or any shape) ports can be angled on the sides, the length works out to be roughly what it would be with a straight-sided shelf port with the same area as the mid-point of the trapezoid. The 3TX Fb is likely near 80 Hz, so does not require a very long port. The port could have a continued section going up at the back behind the lower woofer, can't tell from the photos seen. [/QUOTE]
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