pheint_1
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Posts posted by pheint_1
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Let me throw my confusion into this...
If your total length of port needs to be 22" and your first length is 11.25 (this is from box face to center of adjacent port) then you need each half-port to be 10.75"...now if the back wall is one side of the port, subtract half the width of the port...in your case 1".
The thickness of the walls doesn't come into it.
yea lol im confused now. where did the 1 inch come from? the port area of each bend?
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^^^ yes sir exactly what im trying to do, so port area would be constant after bending to each side? can't really tell by the angle.
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allright thx, man ill give the link a go in the morning as for now im off to bed thx to all the people who helped.
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i just used the question as an example lol still in the learning process.
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so if the port width of the enclosure was 4" when i bend to each side it'll be 2" and if needed a port length of 22 and my first length was 11.25 i would bend to each side 5"+.75 of mdf?
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lets say i have an enclosure fitted for 2 12"s instead of doing the ports on either the left end or right end or dual ports i want to do it in the middle, my question is do i have to keep the same port width when i bend to each side? and the other questions i asked.
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any help would be greatly appreciated, any input????
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when i bend to the sides i have to keep the same port width? and measuring through the center still applies right? oh and i need a length of 22" if i have a depth of 14 and a length of 11.25 (not using baffle as port length) before the bend how much should i add to each side, minus the .75 of the mdf?
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not really a big kung fu fan but i do enjoy watching a film everyonce in a while while seeing that video up there some one mentioned these other two scenes and said they were among the best i can see why though,
http://www.youtube.com/watch?v=yRK_2KCDmtY
no fighting in this one lol but its awesome none the less
edit: couldn't embed the vids sorry idk how to
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damn where can i get kolossus fleks 0 Gauge for 1.63 a foot link please?
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i think spl wise it would be better to fire into cabin.
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if trying to pass time you can also have a look at this site http://shitbrix.com/ , but becareful brix may be shat.
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not really a turotial but idk if it helps this guy in ROE explains a bit of it
http://forum.realmofexcursion.com/enclosures/29729-how-build-professional-looking-box.html
first post like 6 pics down he starts makin the depth cuts and the spacing and all that other good stuff...
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lol i know how the concept of bandpassing works but reason i said that, is that the(pictured above)amp's low pass crossover has a max of 150HZ so i'm thinking that the bandpass feature on it is of no use but then again i dont know i have no experience whatsoever with it, thx for chiming in tho and thx to the other users aswell.
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here's my results but i kind of had to press the headphone into my ear cause there's loud music outside, idk if that's fair..?
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yea sorry not using the amp it was just a question, so lpf 80hz and then hpf 4khz or hpf at 80hz and lpf at 150hz lol?
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...how would it work then??? how would i bandpass the mids? idk this amp confuses me.
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this is how that amp is grouped.
so the bandpass is only on channels 3 and 4. i dont know how accurate 10hz to 15000hz is gonna be on a single knob but you can give it a shot i guess. thats a horrible design flaw IMO.
mids you would generally bandpass from 80hz high pass to 3000-4000 low pass.
edit: wait confusing, i know i used the correct terms but the amp seems to have it backwards.
exactly my point, so the bandpass option is pretty much useless right?
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i dont understand the concept at hand, ive seen other threads regarding the same issue but i can't understand fully, so instead of thread jacking i guessed id make my own thread.
i dont own this equipment i just have a question about it, it has a bandpass option but how would i crossover the mids?
lpf goes up to 150Hz, and hpf goes up to 15khz.
http://images.sonicelectronix.com/images/414319/big/zxi6041k.jpg
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^^^ each? have you metered your setup?
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what would you compare them to bro? Type R's, L7's, L5's, DB Drive Platinums anything around that area, reason being that's almost all they carry locally.
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how did they compare to your now single mmatts?
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allright thx for the input bro, so for the money their not that bad?
Center Port Question
in Subwoofers / Enclosures
Posted
so here's how i see it, when you bend to each side you devide port width by 2, and when you bend port length you also devide the remaining length by 2 also? ex. if your port width is 4 when you bend to each side each will get a port width of 2??? and if the remaining length is 10" each side will get 4.25" right? -.75 of mdf.