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Enclosure Design & Construction
Enclosure question for Massive Hippo 84 in 1.1 cuft @ 35hz
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<blockquote data-quote="erdna14" data-source="post: 8302912" data-attributes="member: 662584"><p>Long time lurker, first time poster so bear with me.</p><p></p><p>Vehicle : 2006 Ford Focus ZX4 ST</p><p></p><p>Location in the vehicle: Driver side trunk facing passenger side (Factory enclosure location)</p><p></p><p>Space available (Length x Width x Height): 8x20x20</p><p></p><p>Subwoofer make and model: Massive Hippo 84</p><p></p><p>Subwoofer Size: 8"</p><p></p><p>Number of Subwoofers: 1</p><p></p><p>Type of Port (Kerfed, Slot, Aero, etc.): slot</p><p></p><p>What type of music do you like?: dubstep &amp; rap mostly</p><p></p><p>Is your goal SPL or Everyday Music?: everyday music</p><p></p><p>Tuning Freq (Hz): 35hz</p><p></p><p>Volume : 1.13 cuft after displacements</p><p></p><p>Questions:</p><p></p><p>I've run I to an issue with my design. I'm really trying to stick within the dimensions listed as I'm trying to maximize trunk space. Having just got rid of a massive 4.75 cuft enclosure, I'm really liking having trunk space and don't want to lose it.</p><p></p><p>My issue is with the port that I have designed. The easiest way to build the enclosure puts the sub and port on different planes (sub towards passenger side, port towards rear or front of vehicle). I know that's not ideal, but how detrimental would it be SQ wise? And is there a better way to port the enclosure without having to change the design completely?</p><p></p><p>Box specs:</p><p></p><p>Front/back - 20" x 18.5"</p><p></p><p>Top/bottom - 20" x 8"</p><p></p><p>Side 1 - 18.5" x 6.5"</p><p></p><p>Side 2 - 16.875" x 6.5"</p><p></p><p>Port - 6.5" x 15.4"</p><p></p><p>Port Ratio - 4:1</p><p></p><p>Vol before displacements - 1.29</p><p></p><p>Vol after displacements - 1.13</p><p></p><p>Here's what I'm working with at the moment:</p><p></p><p><a href="http://s97.photobucket.com/user/sniggol_erdna/media/20140531_182512.jpg.html" target="_blank"><img src="http://i97.photobucket.com/albums/l232/sniggol_erdna/20140531_182512.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p><a href="http://s97.photobucket.com/user/sniggol_erdna/media/20140531_182605.jpg.html" target="_blank"><img src="http://i97.photobucket.com/albums/l232/sniggol_erdna/20140531_182605.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Resonant frequency of the car is right around 55hz, FWIW.</p></blockquote><p></p>
[QUOTE="erdna14, post: 8302912, member: 662584"] Long time lurker, first time poster so bear with me. Vehicle : 2006 Ford Focus ZX4 ST Location in the vehicle: Driver side trunk facing passenger side (Factory enclosure location) Space available (Length x Width x Height): 8x20x20 Subwoofer make and model: Massive Hippo 84 Subwoofer Size: 8" Number of Subwoofers: 1 Type of Port (Kerfed, Slot, Aero, etc.): slot What type of music do you like?: dubstep & rap mostly Is your goal SPL or Everyday Music?: everyday music Tuning Freq (Hz): 35hz Volume : 1.13 cuft after displacements Questions: I've run I to an issue with my design. I'm really trying to stick within the dimensions listed as I'm trying to maximize trunk space. Having just got rid of a massive 4.75 cuft enclosure, I'm really liking having trunk space and don't want to lose it. My issue is with the port that I have designed. The easiest way to build the enclosure puts the sub and port on different planes (sub towards passenger side, port towards rear or front of vehicle). I know that's not ideal, but how detrimental would it be SQ wise? And is there a better way to port the enclosure without having to change the design completely? Box specs: Front/back - 20" x 18.5" Top/bottom - 20" x 8" Side 1 - 18.5" x 6.5" Side 2 - 16.875" x 6.5" Port - 6.5" x 15.4" Port Ratio - 4:1 Vol before displacements - 1.29 Vol after displacements - 1.13 Here's what I'm working with at the moment: [URL="http://s97.photobucket.com/user/sniggol_erdna/media/20140531_182512.jpg.html"][IMG]http://i97.photobucket.com/albums/l232/sniggol_erdna/20140531_182512.jpg[/IMG][/URL] [URL="http://s97.photobucket.com/user/sniggol_erdna/media/20140531_182605.jpg.html"][IMG]http://i97.photobucket.com/albums/l232/sniggol_erdna/20140531_182605.jpg[/IMG][/URL] Resonant frequency of the car is right around 55hz, FWIW. [/QUOTE]
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Enclosure question for Massive Hippo 84 in 1.1 cuft @ 35hz
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