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Car Audio Help
Enclosure Design & Construction
enclosure(s) for 2 10" low power subs
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<blockquote data-quote="mat3833" data-source="post: 7880823" data-attributes="member: 587645"><p>ok so after using the free box plans and building an enclosure using some scrap 3/4" plywood to test the fit/general sound of the subs in a proper ported enclosure i realized i made a huge mistake. i dont actually have enough room to put the enclosure where i intended to put it, let alone anywhere else in the livingroom. but i went ahead and hooked it up and just set it in a corner to see how it sounded. it sounded pretty decent considering i used plywood, but i think these old subs have more to offer.</p><p></p><p>so now im going to build 2 propper enclosures that will fit where i need them. but i need some help after hours of WinISD and Torres have melted my brain.</p><p></p><p>the space i have to work with is on either side of my entertainment stand, i have 28" tall, 14" wide, and depending on port/woofer placment 15-17" of depth. but i would prefer to stick to 15" to make my life simple.</p><p></p><p>i want to keep a "folded" port design and since these subs arent very big/high excursion i would like to tune low to hopefully get more low-end for the HT. right now using torres i have a box 28X14X15(outside dimensions, using 3/4" MDF) but i cant figure out if i really NEED a 2" slot port or if i can get away with a 1". since these are relativly low powered subs(between the two they will only be getting 80W, and that is almost double the rated power) my brain says a 12.5"X1" port will be enough to avoid chuffing. but these subs seem to have quite a high sensitivity as they get loud enough to rattle the crap on the shelves above the TV.</p><p></p><p>anyways i havent completley figured out port length for a 20hz tune let alone how im going to fold the port. but thats where i figured i could get some help here. im going to post 4 screenshots of Torres, 2 using a 12.5X1 port and 2 with a 12.5X1.5 port.</p><p></p><p>Box1 is an enclosure 28X14X15 with a tuning~20hz and a 1X12.5 port</p><p></p><p>Box2 is an enclosure 28X14X16 with a tuning~20hz and a 1X12.5 port</p><p></p><p>Box3 is an enclosure 28X14X15 with a tuning~20hz and a 1.5X12.5 port</p><p></p><p>Box4 is an enclosure 28X14X16 with a tuning~20hz and a 1.5X12.5 port</p><p></p><p>Box2 seems to be the best since it only has 30" of port, but once again im just not sure. when i model any of these boxes in WinISD it shows a -10DB output at tuning.</p><p></p><p>if someone with a bit of time can help me out with this i would apreciate it alot.</p><p></p><p>Matt</p></blockquote><p></p>
[QUOTE="mat3833, post: 7880823, member: 587645"] ok so after using the free box plans and building an enclosure using some scrap 3/4" plywood to test the fit/general sound of the subs in a proper ported enclosure i realized i made a huge mistake. i dont actually have enough room to put the enclosure where i intended to put it, let alone anywhere else in the livingroom. but i went ahead and hooked it up and just set it in a corner to see how it sounded. it sounded pretty decent considering i used plywood, but i think these old subs have more to offer. so now im going to build 2 propper enclosures that will fit where i need them. but i need some help after hours of WinISD and Torres have melted my brain. the space i have to work with is on either side of my entertainment stand, i have 28" tall, 14" wide, and depending on port/woofer placment 15-17" of depth. but i would prefer to stick to 15" to make my life simple. i want to keep a "folded" port design and since these subs arent very big/high excursion i would like to tune low to hopefully get more low-end for the HT. right now using torres i have a box 28X14X15(outside dimensions, using 3/4" MDF) but i cant figure out if i really NEED a 2" slot port or if i can get away with a 1". since these are relativly low powered subs(between the two they will only be getting 80W, and that is almost double the rated power) my brain says a 12.5"X1" port will be enough to avoid chuffing. but these subs seem to have quite a high sensitivity as they get loud enough to rattle the crap on the shelves above the TV. anyways i havent completley figured out port length for a 20hz tune let alone how im going to fold the port. but thats where i figured i could get some help here. im going to post 4 screenshots of Torres, 2 using a 12.5X1 port and 2 with a 12.5X1.5 port. Box1 is an enclosure 28X14X15 with a tuning~20hz and a 1X12.5 port Box2 is an enclosure 28X14X16 with a tuning~20hz and a 1X12.5 port Box3 is an enclosure 28X14X15 with a tuning~20hz and a 1.5X12.5 port Box4 is an enclosure 28X14X16 with a tuning~20hz and a 1.5X12.5 port Box2 seems to be the best since it only has 30" of port, but once again im just not sure. when i model any of these boxes in WinISD it shows a -10DB output at tuning. if someone with a bit of time can help me out with this i would apreciate it alot. Matt [/QUOTE]
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enclosure(s) for 2 10" low power subs
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