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<blockquote data-quote="ancorp" data-source="post: 7653398" data-attributes="member: 633405">I have it firing upwards. I don&#039;t think I can build a box that can have the woofer face towards the trunk lid, and also have it be of a large size, but perhaps it&#039;s doable with some careful planning and measuring. I prefer to face my subs towards the rear of the car, but figured the most important factor is corner loading no?The port is on the side, close to the corner of the car. The port is smaller then recommended by DD. It&#039;s a 6.5&quot; diameter port.DD recommends 64 inches for 4 cubes. This is a bit under 4, and is not seeing that much power so I figured it&#039;s not a big deal.I DID have enough port area before (two 6.5&quot; tubes, resulting in around 66 inches of port) but the tubes were almost the length of the whole enclosure inside, resulting in about a 40hz tune, and only 3cf of space left inside. Seems a bit less peaky with a smaller port tuned a little lower, leaving almost an extra cubic foot of airspace for the sub. Don&#039;t really notice any port noise either so I don&#039;t think I&#039;m choking the sub...</blockquote>

[QUOTE="ancorp, post: 7653398, member: 633405"] I have it firing upwards. I don't think I can build a box that can have the woofer face towards the trunk lid, and also have it be of a large size, but perhaps it's doable with some careful planning and measuring. I prefer to face my subs towards the rear of the car, but figured the most important factor is corner loading no? The port is on the side, close to the corner of the car. The port is smaller then recommended by DD. It's a 6.5" diameter port. DD recommends 64 inches for 4 cubes. This is a bit under 4, and is not seeing that much power so I figured it's not a big deal. I DID have enough port area before (two 6.5" tubes, resulting in around 66 inches of port) but the tubes were almost the length of the whole enclosure inside, resulting in about a 40hz tune, and only 3cf of space left inside. Seems a bit less peaky with a smaller port tuned a little lower, leaving almost an extra cubic foot of airspace for the sub. Don't really notice any port noise either so I don't think I'm choking the sub... [/QUOTE]

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