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Fs and you
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<blockquote data-quote="AnthonyO" data-source="post: 8864591" data-attributes="member: 563887"><p>FS does not exist when you put the driver in an enclosure, it is a free air measurement, there is no Fs to "play right through". In a ported box, the Fs (or resonant frequency) becomes the boxes tuning frequency or its Fb. In a sealed box, Fc is the systems resonant frequency.</p><p></p><p>Tuning below Fs is completely fine...it's done all the time. The only issues (or non-issues) I can think of would be the suspension limits & quicker unloading below tuning (less motor control to keep it in line). As long as you don't exceed Xmax to get to your desired tuning & have an appropriately set SSF, all should be fine.</p><p></p><p></p><p>This is from a 2010 discussion on FS over on DIYMOBILEAUDIO</p></blockquote><p></p>
[QUOTE="AnthonyO, post: 8864591, member: 563887"] FS does not exist when you put the driver in an enclosure, it is a free air measurement, there is no Fs to "play right through". In a ported box, the Fs (or resonant frequency) becomes the boxes tuning frequency or its Fb. In a sealed box, Fc is the systems resonant frequency. Tuning below Fs is completely fine...it's done all the time. The only issues (or non-issues) I can think of would be the suspension limits & quicker unloading below tuning (less motor control to keep it in line). As long as you don't exceed Xmax to get to your desired tuning & have an appropriately set SSF, all should be fine. This is from a 2010 discussion on FS over on DIYMOBILEAUDIO [/QUOTE]
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