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<blockquote data-quote="Spooney" data-source="post: 6366862" data-attributes="member: 584130"><p>making the ports longer will lower the tuning but will also take up some of the airspace.Most likely your prefab is already a little on the small side so making the port longer may not gain you much in the low end.another way to lower tuning is to make your port area smaller.you could take a piece of 3/4&quot; mdf the heigth and length of your port and glue or screw it to one side of the port,thus taking out 3/4&quot; of your width so you would be going from 2.5&quot; x 15&quot; to 1.75&quot; x 15 &quot;&nbsp; or said another way go from 37.5 square inches of port area to 26.25 square inches of port area .That will drop your tuning but lose you some output.You could also seal off the ports all together and just run them sealed which should bring you some lows but again at the expense of lost output. You really just need to build or have somebody build for you a proper enclosure</p></blockquote><p></p>

[QUOTE="Spooney, post: 6366862, member: 584130"] making the ports longer will lower the tuning but will also take up some of the airspace.Most likely your prefab is already a little on the small side so making the port longer may not gain you much in the low end.another way to lower tuning is to make your port area smaller.you could take a piece of 3/4" mdf the heigth and length of your port and glue or screw it to one side of the port,thus taking out 3/4" of your width so you would be going from 2.5" x 15" to 1.75" x 15 " or said another way go from 37.5 square inches of port area to 26.25 square inches of port area .That will drop your tuning but lose you some output.You could also seal off the ports all together and just run them sealed which should bring you some lows but again at the expense of lost output. You really just need to build or have somebody build for you a proper enclosure [/QUOTE]

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