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Subwoofers with 30hz performance.
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<blockquote data-quote="Art Welter" data-source="post: 25236" data-attributes="member: 52"><p>Re: Subwoofers with 30hz performance.</p><p></p><p></p><p>Tim,</p><p></p><p>After looking at data Josh Ricci’s provided on his 25 Hz Fb 21” cabinet </p><p></p><p>( Data Bass.com )</p><p></p><p><a href="http://www.data-bass.com/blog" target="_blank">http://www.data-bass.com/blog</a></p><p></p><p>a second time I realize the response below Fb changes very little relative to the upper response at high power if an adequate port size is used.</p><p></p><p>That said, below Fb, most speaker designs will exceed Xmax at less than full rated power, so a HP filter must be engaged to keep excursion (and distortion) from becoming excessive at full rated speaker power.</p><p></p><p>Therefore the LF response with a properly set HP will be a bit less than a raw response chart taken at a fraction of full power.</p></blockquote><p></p>
[QUOTE="Art Welter, post: 25236, member: 52"] Re: Subwoofers with 30hz performance. Tim, After looking at data Josh Ricci’s provided on his 25 Hz Fb 21” cabinet ( Data Bass.com ) [url]http://www.data-bass.com/blog[/url] a second time I realize the response below Fb changes very little relative to the upper response at high power if an adequate port size is used. That said, below Fb, most speaker designs will exceed Xmax at less than full rated power, so a HP filter must be engaged to keep excursion (and distortion) from becoming excessive at full rated speaker power. Therefore the LF response with a properly set HP will be a bit less than a raw response chart taken at a fraction of full power. [/QUOTE]
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