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Enclosure Design & Construction
Help my son and I build our first box
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<blockquote data-quote="brian84corvette" data-source="post: 7137266" data-attributes="member: 586635"><p>port options -</p><p></p><p>a piece of round pvc pipe sanded around the edges to not be sharp is just a round tube port. its size is measured the inner diamater of the pipe.</p><p></p><p>a piece of round pvc pipe with flair edges around both sides is called an aero port ( think like a trumpets horn ) - and generaly gives a much cleaner sounding port - no rough edges to whistle.</p><p></p><p>slot port - is you building a square or rectangle chamber inside the box - that allows the port to be tuned to the depth measurment of how deep it goes by how wide and tall it is. this is generaly what we like to build - but it is a space hog inside the box. if you used a aero port it would take up conciderably less space vs building wood port structure that is .75" thick wood all the way around -</p><p></p><p>if you do go ported - I would recomend to you going aero ports - not shure what diamater size you will want - or how long they will have to be -</p><p></p><p>as this is dependint on what you wish to tune your box frequency to.</p><p></p><p>most "standard" boxes here on the site are tuned between 34hz and 38hz for daily driving by average people who just want to be loud</p><p></p><p>but alot of people actually now are enjoying porting the box to a lower frequency like 27hz up to 33hz wich realley allows the subwoofers to dig realley deep in the bass</p><p></p><p>unfortunately - most rap music type tracks dont play any notes below 34hz - as specialty bass only type music ( find song bass I love you ) will play down to 10/15 hz range and on a proper setup for the extreme lows = it will rip your gutts out on the low bass... its like sitting inside a volcano.</p></blockquote><p></p>
[QUOTE="brian84corvette, post: 7137266, member: 586635"] port options - a piece of round pvc pipe sanded around the edges to not be sharp is just a round tube port. its size is measured the inner diamater of the pipe. a piece of round pvc pipe with flair edges around both sides is called an aero port ( think like a trumpets horn ) - and generaly gives a much cleaner sounding port - no rough edges to whistle. slot port - is you building a square or rectangle chamber inside the box - that allows the port to be tuned to the depth measurment of how deep it goes by how wide and tall it is. this is generaly what we like to build - but it is a space hog inside the box. if you used a aero port it would take up conciderably less space vs building wood port structure that is .75" thick wood all the way around - if you do go ported - I would recomend to you going aero ports - not shure what diamater size you will want - or how long they will have to be - as this is dependint on what you wish to tune your box frequency to. most "standard" boxes here on the site are tuned between 34hz and 38hz for daily driving by average people who just want to be loud but alot of people actually now are enjoying porting the box to a lower frequency like 27hz up to 33hz wich realley allows the subwoofers to dig realley deep in the bass unfortunately - most rap music type tracks dont play any notes below 34hz - as specialty bass only type music ( find song bass I love you ) will play down to 10/15 hz range and on a proper setup for the extreme lows = it will rip your gutts out on the low bass... its like sitting inside a volcano. [/QUOTE]
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