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NDNclosure- 2.5 cubes @ 24hz
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<blockquote data-quote="matt_martin87" data-source="post: 7258170" data-attributes="member: 563889"><p>For as long as I can remember I've dreamed of designing and building a box that was tuned super low. There was just something intriguing about pushing the limits of how low you could tune in a mobile application. Getting loud around 35-60 hz is fine and dandy for some, but I'd rather sacrifice some SPL to feel the rumble of the 20-30hz range.</p><p></p><p>So I built this box. It's 2.5 cuft. tunable at 33hz, 28hz, and 24hz. I used 2 4" PVC pipes instead of conventional aeroports since I was on a budget. The ports stick out of the box enough to add a 90* elbow to each. Without the elbow, it's 33hz, with elbow it's 28hz. Add a 12 inch extension to those elbows and you have an enclosure tuned at 24hz.</p><p></p><p>The sub used is a 12 Fi SSD. Nothing terribly expensive or monstrous. Just enough to handle to 500rms at my disposal.</p><p></p><p>Results of 24hz tuning: //content.invisioncic.com/y282845/emoticons/awesome.gif.4430a219d9aaaa6cadc75e9290979dfb.gif</p><p></p><p>I nearly pooped a little the first time I heard the Bass Mix of In the Air Tonight. Truly, you have to feel it firsthand to believe. I'd highly encourage anyone to build a box tuned this low at least once.</p><p></p><p>Youtube Clip:</p><p></p><p><a href="http://www.youtube.com/watch?v=UJh398CkUw0" target="_blank">YouTube - Down and Dirty at 24hz.</a></p><p></p><p>On with the pics:</p><p></p><p>My canvas</p><p></p><p><img src="http://i9.photobucket.com/albums/a63/mathyouakandn/IMG_0036.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-07_00-18-58_140.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Never enough clamps</p><p></p><p><img src="http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-08_01-19-05_726.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-08_01-19-27_467.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-08_12-41-59_318.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="matt_martin87, post: 7258170, member: 563889"] For as long as I can remember I've dreamed of designing and building a box that was tuned super low. There was just something intriguing about pushing the limits of how low you could tune in a mobile application. Getting loud around 35-60 hz is fine and dandy for some, but I'd rather sacrifice some SPL to feel the rumble of the 20-30hz range. So I built this box. It's 2.5 cuft. tunable at 33hz, 28hz, and 24hz. I used 2 4" PVC pipes instead of conventional aeroports since I was on a budget. The ports stick out of the box enough to add a 90* elbow to each. Without the elbow, it's 33hz, with elbow it's 28hz. Add a 12 inch extension to those elbows and you have an enclosure tuned at 24hz. The sub used is a 12 Fi SSD. Nothing terribly expensive or monstrous. Just enough to handle to 500rms at my disposal. Results of 24hz tuning: [IMG]//content.invisioncic.com/y282845/emoticons/awesome.gif.4430a219d9aaaa6cadc75e9290979dfb.gif[/IMG] I nearly pooped a little the first time I heard the Bass Mix of In the Air Tonight. Truly, you have to feel it firsthand to believe. I'd highly encourage anyone to build a box tuned this low at least once. Youtube Clip: [URL="http://www.youtube.com/watch?v=UJh398CkUw0"]YouTube - Down and Dirty at 24hz.[/URL] On with the pics: My canvas [IMG]http://i9.photobucket.com/albums/a63/mathyouakandn/IMG_0036.jpg[/IMG] [IMG]http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-07_00-18-58_140.jpg[/IMG] Never enough clamps [IMG]http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-08_01-19-05_726.jpg[/IMG] [IMG]http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-08_01-19-27_467.jpg[/IMG] [IMG]http://i9.photobucket.com/albums/a63/mathyouakandn/2011-03-08_12-41-59_318.jpg[/IMG] [/QUOTE]
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