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FI Q: 15 ported or 18 sealed
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<blockquote data-quote="Fi Car Audio" data-source="post: 2048187" data-attributes="member: 569083"><p>I always suggest to set it below tuning frequency by a few Hz. The corner frequency of the filter is already a few dB down. Setting the SSF right to the tuning will reduce output at tuning. Enclosures do not completely unload the sub a hair below the tuning frequency... it is gradual for a few Hz. I try to blend the increase in cone excursion/lack of enclosure/port control with the SSF so that it blanaces things out more. Yes, you are pushing things a little more and relying on the customer to set things right in order to make sure you dont have issues... but setting SSF to tuning simply kills off "safe" output.</p></blockquote><p></p>
[QUOTE="Fi Car Audio, post: 2048187, member: 569083"] I always suggest to set it below tuning frequency by a few Hz. The corner frequency of the filter is already a few dB down. Setting the SSF right to the tuning will reduce output at tuning. Enclosures do not completely unload the sub a hair below the tuning frequency... it is gradual for a few Hz. I try to blend the increase in cone excursion/lack of enclosure/port control with the SSF so that it blanaces things out more. Yes, you are pushing things a little more and relying on the customer to set things right in order to make sure you dont have issues... but setting SSF to tuning simply kills off "safe" output. [/QUOTE]
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FI Q: 15 ported or 18 sealed
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