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Enclosure Design & Construction
How to effectively plug up a port, and/or is it even a good idea in my case?
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<blockquote data-quote="Aleks15Civic" data-source="post: 8379984" data-attributes="member: 660631"><p><strong>I will be running two of these in separate 4.75cu ft enclosures:</strong></p><p></p><p><a href="http://www.sonicelectronix.com/item_43817_Massive-Audio-Hippo-152.html" target="_blank">Massive Audio Hippo-152 15" Hippo Series Car Subwoofer</a></p><p></p><p><strong>I am planning on using two of these as ports per box:</strong></p><p></p><p><a href="http://www.parts-express.com/precision-port-4-flared-speaker-cabinet-port-tube-kit--268-352?utm_source=google&amp;utm_medium=cpc&amp;utm_campaign=pla" target="_blank">Precision Port 4" Flared Speaker Cabinet Port Tube Kit</a></p><p></p><p><strong>Using the following calculator to determine lengths:</strong></p><p></p><p><a href="http://www.psp-inc.com/tools2.html" target="_blank">Products Menu</a></p><p></p><p>Here I tune to 34hz with two ports and get the length of 10.4" per port</p><p></p><p>[ATTACH]26552191[/ATTACH]</p><p></p><p>Here I tune to 24hz with one port and get the length of 10.4" per port</p><p></p><p>[ATTACH]26552190[/ATTACH]</p><p></p><p>At a previous competition, I saw a guy use some massive rubber plug to plug a port and drop the frequency on the go. I was wondering if I can do the same thing here, and if so, where do I buy/how do I make such a plug?</p><p></p><p>34/24hz both sound like pleasing frequencies to me. But I don't want to dive in without hearing your guy's feedback first.</p></blockquote><p></p>
[QUOTE="Aleks15Civic, post: 8379984, member: 660631"] [B]I will be running two of these in separate 4.75cu ft enclosures:[/B] [URL="http://www.sonicelectronix.com/item_43817_Massive-Audio-Hippo-152.html"]Massive Audio Hippo-152 15" Hippo Series Car Subwoofer[/URL] [B]I am planning on using two of these as ports per box:[/B] [URL="http://www.parts-express.com/precision-port-4-flared-speaker-cabinet-port-tube-kit--268-352?utm_source=google&utm_medium=cpc&utm_campaign=pla"]Precision Port 4" Flared Speaker Cabinet Port Tube Kit[/URL] [B]Using the following calculator to determine lengths:[/B] [URL="http://www.psp-inc.com/tools2.html"]Products Menu[/URL] Here I tune to 34hz with two ports and get the length of 10.4" per port [ATTACH]26552191[/ATTACH] Here I tune to 24hz with one port and get the length of 10.4" per port [ATTACH]26552190[/ATTACH] At a previous competition, I saw a guy use some massive rubber plug to plug a port and drop the frequency on the go. I was wondering if I can do the same thing here, and if so, where do I buy/how do I make such a plug? 34/24hz both sound like pleasing frequencies to me. But I don't want to dive in without hearing your guy's feedback first. [/QUOTE]
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How to effectively plug up a port, and/or is it even a good idea in my case?
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