Reply to thread

Message: <blockquote data-quote="helotaxi" data-source="post: 362253" data-attributes="member: 550915"><p>Actually it works quite the opposite.  As you increase the surface area of the port you must increase its length to keep the same tuning.  If you are adding a second port of the same size the length will be close to (but not quite) double the length of a single.  Keep in mind that these ports will now displace 4 times as much air as the original single port inside the box thus making the box smaller and requiring an even longer port to keep the same tuning freq.  Box size is just as important as tuning freq in sub performance so to get the sub to really work correctly, you are going to need a whole new box.</p></blockquote><p></p>

Top