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<blockquote data-quote="Lakota" data-source="post: 5678641" data-attributes="member: 559574">Generally you gain sound pressure from a smaller box.&nbsp; If you ever go to a SPL competition you will notice that most the of loud guys run tiny boxes.&nbsp; However, with this smaller box you also tend to lose efficiency and the flatness of the response.&nbsp; A flat response is what allows music to sound nice since the loudness is pretty much the same over a band of frequencies.If going with aeroports, I generally recommend 3 or 4 4&quot; ports for a 15.&nbsp; 1 or 2 6&quot; aeroports will also work for a 15.&nbsp; The more port area you have, the longer the port needs to be.&nbsp; Each port should be the same length as the others.&nbsp; You can use the calculator on psp-inc.com to get a rule of thumb for tuning.&nbsp; I tend to have a lot of port area and port length on my boxes and I recommend to not skimp on port area to save money.I tried to make this post as simple as I could, continue to ask questions if needed.</blockquote>

[QUOTE="Lakota, post: 5678641, member: 559574"] Generally you gain sound pressure from a smaller box. If you ever go to a SPL competition you will notice that most the of loud guys run tiny boxes. However, with this smaller box you also tend to lose efficiency and the flatness of the response. A flat response is what allows music to sound nice since the loudness is pretty much the same over a band of frequencies. If going with aeroports, I generally recommend 3 or 4 4" ports for a 15. 1 or 2 6" aeroports will also work for a 15. The more port area you have, the longer the port needs to be. Each port should be the same length as the others. You can use the calculator on psp-inc.com to get a rule of thumb for tuning. I tend to have a lot of port area and port length on my boxes and I recommend to not skimp on port area to save money. I tried to make this post as simple as I could, continue to ask questions if needed. [/QUOTE]

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