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<blockquote data-quote="Volenti" data-source="post: 5925652" data-attributes="member: 566487">I&#039;ve used between 0.5x SD and 2.5x SD (in non-tapered) successfully for car based TL&#039;s, with 0.5x SD being the lower limit for a usefull TL.Once you start modeling and making these things on a regular basis you find you can pretty much ignore the old TL rules of thumb and design the TL&#039;s (using line area, driver position, positive and negative tapers) to suit many different applications, indeed I rarely make normal ported enclosures anymore since I can tailor TL&#039;s to the same job (only better IMO).The line area that Immacomputer suggested will also work pretty well, and is slightly smoother around 80hz, though it scarifices a DB or 2 at the very bottom end (25hz-35hz) in the process.Reading material; <a href="http://www.t-linespeakers.org/" target="_blank">http://www.t-linespeakers.org/</a> and <a href="http://www.diyaudio.com/wiki/" target="_blank">http://www.diyaudio.com/wiki/</a> should keep you busy for a while //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</blockquote>

[QUOTE="Volenti, post: 5925652, member: 566487"] I've used between 0.5x SD and 2.5x SD (in non-tapered) successfully for car based TL's, with 0.5x SD being the lower limit for a usefull TL. Once you start modeling and making these things on a regular basis you find you can pretty much ignore the old TL rules of thumb and design the TL's (using line area, driver position, positive and negative tapers) to suit many different applications, indeed I rarely make normal ported enclosures anymore since I can tailor TL's to the same job (only better IMO). The line area that Immacomputer suggested will also work pretty well, and is slightly smoother around 80hz, though it scarifices a DB or 2 at the very bottom end (25hz-35hz) in the process. Reading material; [URL="http://www.t-linespeakers.org/"]http://www.t-linespeakers.org/[/URL] and [URL="http://www.diyaudio.com/wiki/"]http://www.diyaudio.com/wiki/[/URL] should keep you busy for a while [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]

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