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Old 10-23-2007, 11:43 PM
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questions

so i dont wanna sound stupid or any thing buy how do you tune ports on boxes? and i have a few questions about setting my sub and amp
like i have a 12 inch L5 kicker in a 1.75 cu ft ported box and an
alpine mrd-m605 im not sure how to set the gain or LP filter what ever that may be or the low pass filter selector or the cross over frequency, so if any one could toss me a few pointers please do
. ps im new to the whole fourm thing and sorta new to stereos but i kno more then most my friends and i wish to kno alot more
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Old 10-24-2007, 01:24 AM
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Change the Dimensions of the port - Size of port Vs. length
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Old 10-24-2007, 01:27 AM
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i got that much but like how do you know what frequencies you get it to be?
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Old 10-24-2007, 02:31 AM
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u use a port tuning calculator. search online
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Old 10-24-2007, 02:33 AM
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use a program or do the math --- I suggest a program(its super easy) - heres a good site to get u started! - http://www.the12volt.com/caraudio/boxcalcs.asp#por

Last edited by Gen1_Rx7; 10-24-2007 at 02:42 AM. Reason: just because
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Old 10-24-2007, 02:40 AM
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or http://www.carstereo.com/help/Articles.cfm?id=31
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Old 10-24-2007, 09:05 AM
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sweet thanks, im gonna try doin that for my next box, will it change with the shape of the box or location of the port in the box?
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Old 10-25-2007, 12:10 AM
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are you gonna build a new one with ryan soon?
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Old 10-25-2007, 12:47 AM
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ya man some time i hope, but not just a plain one this time some thing a little unique
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Old 10-25-2007, 09:58 AM
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Originally Posted by codi View Post
ya man some time i hope, but not just a plain one this time some thing a little unique
you need another sub
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