Two ports
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 187 Registered: Dec-05 | How would you put two ports in a box? calculation wise i mean.. say two 3" ports tuned at 35Hz, in a 1.65 cu.ft. box, a single port in that box would have to be 3x7.25 for 35Hz, so how would you add a second port? |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 188 Registered: Dec-05 | bump |
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Gold Member Username: RovinTrinidad & T... Post Number: 6782 Registered: Jul-05 | see if this will help u http://mobile.jlaudio.com/support_pages.php?page_id=165 |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 189 Registered: Dec-05 | Thanks Rovin.. that helped alot.. each port has to be 15.79" long... gonna see how 2 ports in the box makes the R sound.. just because we have a snow day and i'm bored and i noticed some port noise on the really low notes.. i'll let ya know how it goes.. |
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Gold Member Username: RovinTrinidad & T... Post Number: 6783 Registered: Jul-05 | Also if u intend 2 build a new slot port box u can use this http://www.accelerator-pedal.com/ported-box.asp?Ew=30&Eh=14&Dia=4&Xmax=8.6&Vd=.5 &NumW=2&Vb=2.76&Fb=28.91&Qts=0.400&Vas=2.45&Fs=24.2&CE=1.5 |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 190 Registered: Dec-05 | Is ^^ box for 2 Rs? the new ports sound pretty good, heres some pics   |
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Gold Member Username: RovinTrinidad & T... Post Number: 6795 Registered: Jul-05 | no in my above link i was messing around with random nos what kinda flanged ports r those - u got that in the hardware store & what size ?....... |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 191 Registered: Dec-05 | Them are PVC ports i flared/flanged out myself.. they work pretty good but its really hard to get 2 to look the same.. both 3" |
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Gold Member Username: RovinTrinidad & T... Post Number: 6798 Registered: Jul-05 | looks good man - u used a heat gun & what 2 make that shape ?......... . |
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Gold Member Username: RovinTrinidad & T... Post Number: 6805 Registered: Jul-05 | damn - it didnt bump... |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 194 Registered: Dec-05 | Sorry bout that... I used a torch actually, no heat gun.. works the same really.. then form them on a bowl, first i used the corner of my work bench to flare them out enough to push them down on the bowl, then pushed them down on the table to flange em.. little burn spot on that bottom one, but oh well.. |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 195 Registered: Dec-05 | Sorry bout that... I used a torch actually, no heat gun.. works the same really.. then form them on a bowl, first i used the corner of my work bench to flare them out enough to push them down on the bowl, then pushed them down on the table to flange em.. little burn spot on that bottom one, but oh well.. |
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Silver Member Username: JbumpNebraska City, Nebraska USA Post Number: 196 Registered: Dec-05 | Damn it, i hate stupid school apple computers.. |
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