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<blockquote data-quote="Einzee" data-source="post: 7623266" data-attributes="member: 556176">This is my first attempt at actually slowing down and using real calculations to build an enclosure. I am waiting for my UPS shipment (got lost/never delivered). So I ended up getting an Orion 10&quot; dual 4 coils.My question is: Is 1.1 cubes big enough for a ported enclosure? The spec sheet says 1 cube sealed or ported and not to calculate the displacements. I have already built the enclosure and didnt realize it was so small until I put it together.I decided to tune to 28. I ran the calculations for a 2&quot; round port and it calls for almost 8.5 inches length. The 2&quot; port looks incredibly small however, when I run the numbers for a 3&quot; port I end up needing a port that is too long for the enclosure.Question #2&nbsp; Is it ok to install 2 ports and make the total port length to specs. Example, the calc says 10&quot; port... can I put 2 in @ 5&quot; each?Thankyou in advance.</blockquote>

[QUOTE="Einzee, post: 7623266, member: 556176"] This is my first attempt at actually slowing down and using real calculations to build an enclosure. I am waiting for my UPS shipment (got lost/never delivered). So I ended up getting an Orion 10" dual 4 coils. My question is: Is 1.1 cubes big enough for a ported enclosure? The spec sheet says 1 cube sealed or ported and not to calculate the displacements. I have already built the enclosure and didnt realize it was so small until I put it together. I decided to tune to 28. I ran the calculations for a 2" round port and it calls for almost 8.5 inches length. The 2" port looks incredibly small however, when I run the numbers for a 3" port I end up needing a port that is too long for the enclosure. Question #2 Is it ok to install 2 ports and make the total port length to specs. Example, the calc says 10" port... can I put 2 in @ 5" each? Thankyou in advance. [/QUOTE]

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