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sub box design


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blackdynamite33 
Member - Posts: 9
Member spacespace
Joined: June 17, 2010
Location: Georgia, United States
Posted: September 29, 2010 at 9:09 PM / IP Logged  
im desiging a box for my kicker l7 15", it requires between 3 and 6 ft cu. with a port to get the most out of it. I am attempting to tune to 32 hz. the dimensions are the external dimensions that i can use with about  1-2 inches of extra on each side if needed. i beleive i did the math right. Can you critique my design and give any insight on how i can reach my goal? thanks. sub box design - Last Post -- posted image.
whiterob 
Copper - Posts: 351
Copper spacespace
Joined: July 22, 2007
Location: United States
Posted: September 30, 2010 at 1:07 AM / IP Logged  
What is your goal so we can help you reach it? Where are you planning on getting a 8.5" port at? Are you going to use one of the sonotubes or something?
soundnsecurity 
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Gold spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: November 10, 2008
Location: Louisiana, United States
Posted: September 30, 2010 at 11:20 AM / IP Logged  
and you need to leave more space between the end of you port and the wall of the box. if you use an 8.5 inch port you need at least that much between the end of the port and anything else. you will only have 6.5 inches
blackdynamite33 
Member - Posts: 9
Member spacespace
Joined: June 17, 2010
Location: Georgia, United States
Posted: September 30, 2010 at 11:51 AM / IP Logged  

whiterob wrote:
What is your goal so we can help you reach it? Where are you planning on getting a 8.5" port at? Are you going to use one of the sonotubes or something?

Im trying to get the best SPL and SQL for the space, and preferably tuned to 32-38hz, and I was going to hit home depot and see what i can find to build the port, i doubt i will find something already made that big. lol. but im not stuck on using a round port, it was just suggested to me. what are your recommendations?

blackdynamite33 
Member - Posts: 9
Member spacespace
Joined: June 17, 2010
Location: Georgia, United States
Posted: September 30, 2010 at 11:52 AM / IP Logged  
ok. what about using a slot port? would that be more logical to meet the goal?

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