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<blockquote data-quote="Brandon G Romanowski" data-source="post: 42363" data-attributes="member: 57">Re: Dual 18&quot; Separate Chambers ??I did read them, very good articles by the way. I&#039;m not intending on cutting any boxes in half <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile&nbsp; &nbsp; :)"&nbsp; data-smilie="1"data-shortname=":)" />&nbsp; I am putting the current subs under the microscope. These subs have two 18&quot;s in a single chamber and a problem with port choking. The rectangle ports that run along the two longest sides of the cabinet have 8 handles taking up some amount of their volume. The ports are also not flared on either end and the dense foam that lines the back wall of the chamber seems to almost plug the port entrances.... those are some observations so far, I am working on what tests and measurements to make so I really have a full picture of how these boxes work.</blockquote>

[QUOTE="Brandon G Romanowski, post: 42363, member: 57"] Re: Dual 18" Separate Chambers ?? I did read them, very good articles by the way. I'm not intending on cutting any boxes in half :) I am putting the current subs under the microscope. These subs have two 18"s in a single chamber and a problem with port choking. The rectangle ports that run along the two longest sides of the cabinet have 8 handles taking up some amount of their volume. The ports are also not flared on either end and the dense foam that lines the back wall of the chamber seems to almost plug the port entrances.... those are some observations so far, I am working on what tests and measurements to make so I really have a full picture of how these boxes work. [/QUOTE]

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