Should I port this?

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John64

Member - Posts: 30

Joined: March 25, 2005

Location: United States

Posted: December 19, 2006 at 7:26 AM / IP Logged

Hey guys, I just finished a nice sealed enclosure for my Alpine SWR 1521D, I have it wired to 4 ohms on my Alpine MRV 1507 (bridged). The enclosure turned out to be around 2.8 cubes after all displacement. It sounds real nice, but I would love to see what it can do ported. What would your recommendations be for port size and length? I would like to do 2 ports. The sub is facing the rear, but the ports would have to face the passengers. Your input is welcome.

Sub specs are:

Fs:23hz

Vas:98L

Qms:9.84

Qes:.4

Qts:.38

X max:16.5mm

X peak: 33mm

Should I port this? -- posted image.

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John64

Member - Posts: 30

Joined: March 25, 2005

Location: United States

Posted: December 19, 2006 at 7:40 AM / IP Logged

Sorry, pasted wrong item in.^^^^^^^^^^^^^^^^^^^^^^^

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jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: December 19, 2006 at 9:23 AM / IP Logged

If you were going to port the box, I would say have it fire up alone with the woofer. Thats one powerful amp you have there, but carful not to over drive the sub!

2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR

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2007 World Record

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mike12volt

Copper - Posts: 98

Joined: September 17, 2006

Location: United States

Posted: December 20, 2006 at 9:12 PM / IP Logged

Alpine One of these subs would have the specs. you need. Those are just a newer version of the one you have.

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Should I port this?

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