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Is there a way to tell if the x-max rating is one way or peak to peak?
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<blockquote data-quote="Umbra" data-source="post: 8421469" data-attributes="member: 658055"><p>I'm trying to figure out the minimum port diameter needed for some subs (as per this thread: <a href="http:////forums/advanced-sql-spl-discussion/617972-geting-proper-port-area.html" target="_blank">http://www.caraudio.com/forums/advanced-sql-spl-discussion/617972-geting-proper-port-area.html</a>) and I'm not sure if the ratings on the datasheets define x-max as one way or peak to peak. Is there a way to tell? Do you just have to be familiar with how the brand defines it?</p><p></p><p>The particular subs I'm working with are as follows:</p><p></p><p><a href="http://www.rockfordfosgate.com/support/knowledge.aspx?kbsrc=http://rftech.custhelp.com/cgi-bin/rftech.cfg/php/enduser/std_adp.php?p_faqid=273&amp;p_li=&amp;p_topview=1" target="_blank">http://www.rockfordfosgate.com/support/knowledge.aspx?kbsrc=http://rftech.custhelp.com/cgi-bin/rftech.cfg/php/enduser/std_adp.php?p_faqid=273&amp;p_li=&amp;p_topview=1</a> (there's a data sheet once you click through)</p><p></p><p>and</p><p></p><p><a href="http://www.memphiscaraudio.com/products/subwoofers/power-reference-subwoofers/15prx12d4/" target="_blank">15PRX12D4 - Memphis Car Audio</a></p><p></p><p>On a completely unrelated note: how do you account for port displacement? Is it just the physical space the port material takes up? i.e. the MDF or wood you add for a slot port, or the thin PVC or other material used in an aero.</p></blockquote><p></p>
[QUOTE="Umbra, post: 8421469, member: 658055"] I'm trying to figure out the minimum port diameter needed for some subs (as per this thread: [URL="http:////forums/advanced-sql-spl-discussion/617972-geting-proper-port-area.html"]http://www.caraudio.com/forums/advanced-sql-spl-discussion/617972-geting-proper-port-area.html[/URL]) and I'm not sure if the ratings on the datasheets define x-max as one way or peak to peak. Is there a way to tell? Do you just have to be familiar with how the brand defines it? The particular subs I'm working with are as follows: [URL="http://www.rockfordfosgate.com/support/knowledge.aspx?kbsrc=http://rftech.custhelp.com/cgi-bin/rftech.cfg/php/enduser/std_adp.php?p_faqid=273&p_li=&p_topview=1"]http://www.rockfordfosgate.com/support/knowledge.aspx?kbsrc=http://rftech.custhelp.com/cgi-bin/rftech.cfg/php/enduser/std_adp.php?p_faqid=273&p_li=&p_topview=1[/URL] (there's a data sheet once you click through) and [URL="http://www.memphiscaraudio.com/products/subwoofers/power-reference-subwoofers/15prx12d4/"]15PRX12D4 - Memphis Car Audio[/URL] On a completely unrelated note: how do you account for port displacement? Is it just the physical space the port material takes up? i.e. the MDF or wood you add for a slot port, or the thin PVC or other material used in an aero. [/QUOTE]
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Is there a way to tell if the x-max rating is one way or peak to peak?
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