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<blockquote data-quote="kerpit" data-source="post: 7298284" data-attributes="member: 631730">I have a 19 foot open bow boat and i installed the sub (alpine type r 1242d) a few years ago in the very front of the bow facing upwards right under a seat. I blocked off the front area from the side storage compartments so it would be a sealed enclosure. It seemed to me that the seat cushion right on top of the sub cone was really inhibiting the sound so i raised the seat so there is a 3/4 gap between the seat cushion and the sub and it made a decent difference. This year i was wanting to create this space which is 1.7 cubic feet volume i measured by filling with water, a ported enclosure at 33 hertz. Where will most of the sound be emitted from the sub? Does sound actually come from the port or only used as a resistance to cone movement? I just want to get the most out of this space, i have no other areas to place a sub. Or is there a way to reflect sound from the under side of the seat instead of it muffling it? What would you guys do with this space?[ATTACH]26524129[/ATTACH]thanks for any input!-Brian</blockquote>

[QUOTE="kerpit, post: 7298284, member: 631730"] I have a 19 foot open bow boat and i installed the sub (alpine type r 1242d) a few years ago in the very front of the bow facing upwards right under a seat. I blocked off the front area from the side storage compartments so it would be a sealed enclosure. It seemed to me that the seat cushion right on top of the sub cone was really inhibiting the sound so i raised the seat so there is a 3/4 gap between the seat cushion and the sub and it made a decent difference. This year i was wanting to create this space which is 1.7 cubic feet volume i measured by filling with water, a ported enclosure at 33 hertz. Where will most of the sound be emitted from the sub? Does sound actually come from the port or only used as a resistance to cone movement? I just want to get the most out of this space, i have no other areas to place a sub. Or is there a way to reflect sound from the under side of the seat instead of it muffling it? What would you guys do with this space? [ATTACH=CONFIG]26524129[/ATTACH] thanks for any input! -Brian [/QUOTE]

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