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Help understanding 4TH order tuning
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<blockquote data-quote="galacticmonkey" data-source="post: 7505027" data-attributes="member: 570857"><p>The sealed and ported chamber sizes are going to be the main things affecting your frequency response and the steepness of your rolloffs.</p><p></p><p>If youre going for loud above 30hz, go with a big ported chamber and big port tuned anywhere from 45-50hz.</p><p></p><p>If you want something to play super low (below 30hz easily), go with a ported chamber roughly the same size as the sealed, maybe a little bigger, and do a relatively small port tuned low, like 38-40hz.</p><p></p><p>To give you an idea of what sort of sound the tuning has, I had 4 CVR 12s in my Avalanche in a blowthrough. Was 4 cubic feet sealed, and 7 cubic feet ported. I had an 80in^ port that was tuned at 30hz. My truck peaked at 25hz with both doors open and killed every note from about 15hz-30hz. Anything above 35hz had very little output.</p></blockquote><p></p>
[QUOTE="galacticmonkey, post: 7505027, member: 570857"] The sealed and ported chamber sizes are going to be the main things affecting your frequency response and the steepness of your rolloffs. If youre going for loud above 30hz, go with a big ported chamber and big port tuned anywhere from 45-50hz. If you want something to play super low (below 30hz easily), go with a ported chamber roughly the same size as the sealed, maybe a little bigger, and do a relatively small port tuned low, like 38-40hz. To give you an idea of what sort of sound the tuning has, I had 4 CVR 12s in my Avalanche in a blowthrough. Was 4 cubic feet sealed, and 7 cubic feet ported. I had an 80in^ port that was tuned at 30hz. My truck peaked at 25hz with both doors open and killed every note from about 15hz-30hz. Anything above 35hz had very little output. [/QUOTE]
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Help understanding 4TH order tuning
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