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Enclosure Design & Construction
Box for two E15K's
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<blockquote data-quote="Gauntlet" data-source="post: 106369" data-attributes="member: 545529"><p>I'm getting 2 Elemental Design 15 K-series subs for christmas and am now looking into a box for them. This is my first box building experiment, so I have a few questions, bear with me.</p><p></p><p>These are the dimension I have to work with. The box can be smaller than the #'s listed, but no bigger:</p><p></p><p>Width: 37 inches</p><p></p><p>Height 14.5 inches</p><p></p><p>Depth: 30 inches</p><p></p><p>I obviously cant build a standard box, as my 15's will be unable to fit with a height of only 14.5 inches. My plan is to build a box where the subs mount on the top of the box, and the magnet faces straight down. This is where I need your guys help //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p><p></p><p>First off, I want to make the box ported using a slot port or aeroports. On the Elemental website, they say recommended cubic feet for a 15 in ported applications is 2-4. So would a box for 2 15's need to be somewhere around 6 cubic feet? (6.5 cuft, since the subs take up .25 displacement each). If this is correct, I need dimensions that will fit into my application and come out to 6.5 cuft. This is what I came up with, someone tell me if its correct/wrong (accounts for width of 3/4" MDF as well):</p><p></p><p>Width: 37 inches</p><p></p><p>Height: 11.5 inches</p><p></p><p>Depth: 28 inches</p><p></p><p>Now onto the port. I'm not positive what frequency I want to tune it to - I was thinking somewhere around 25hz, but i'm not sure. I want to have as much SPL without the SQ suffering that much. Like 60% SPL and 40% SQ. Any recommendations on what frequency I should use? And how do I go about figuring out the dimensions for the slot port/aeroport, once I have the frequency I want to tune it to?</p><p></p><p>And what are the pros and cons of using slot ports vs. aeroports?</p><p></p><p>Thanks a lot!</p></blockquote><p></p>
[QUOTE="Gauntlet, post: 106369, member: 545529"] I'm getting 2 Elemental Design 15 K-series subs for christmas and am now looking into a box for them. This is my first box building experiment, so I have a few questions, bear with me. These are the dimension I have to work with. The box can be smaller than the #'s listed, but no bigger: Width: 37 inches Height 14.5 inches Depth: 30 inches I obviously cant build a standard box, as my 15's will be unable to fit with a height of only 14.5 inches. My plan is to build a box where the subs mount on the top of the box, and the magnet faces straight down. This is where I need your guys help [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] First off, I want to make the box ported using a slot port or aeroports. On the Elemental website, they say recommended cubic feet for a 15 in ported applications is 2-4. So would a box for 2 15's need to be somewhere around 6 cubic feet? (6.5 cuft, since the subs take up .25 displacement each). If this is correct, I need dimensions that will fit into my application and come out to 6.5 cuft. This is what I came up with, someone tell me if its correct/wrong (accounts for width of 3/4" MDF as well): Width: 37 inches Height: 11.5 inches Depth: 28 inches Now onto the port. I'm not positive what frequency I want to tune it to - I was thinking somewhere around 25hz, but i'm not sure. I want to have as much SPL without the SQ suffering that much. Like 60% SPL and 40% SQ. Any recommendations on what frequency I should use? And how do I go about figuring out the dimensions for the slot port/aeroport, once I have the frequency I want to tune it to? And what are the pros and cons of using slot ports vs. aeroports? Thanks a lot! [/QUOTE]
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