Box help! SEAN, JON, JAMES,GLASS, HUNTER,RU!, Sub
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Gold Member Username: SubfanaticWalton, Ky Post Number: 3248 Registered: Dec-04 | ok if i make a box, that is 16 tall, 20 deep, 20 wide, inches of course, how many cubic feet is that, also. Im going to port it to 45 hrtz using 1 1/2 thich pvc pipe, how long shoudl i make each port inside to the box using 2 ports, thankyou |
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Gold Member Username: James1115Wilton, Ct Post Number: 2731 Registered: Dec-04 | well your looking at 2.872 cu/ft as far as the port depth I dont have the program to run that I am pretty sure Sean does. |
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Gold Member Username: InvainMichigan United States Post Number: 2159 Registered: Aug-04 | Where's my name in the thread title??  I'll go kill my self now.... |
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Gold Member Username: James1115Wilton, Ct Post Number: 2738 Registered: Dec-04 | not only that Nick but why did he put his own name on the end of the thread? lololol! |
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Gold Member Username: InvainMichigan United States Post Number: 2162 Registered: Aug-04 | Ha, I didn't even notice that. I guess he just can't stand not seeing his name. |
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Gold Member Username: SubfanaticWalton, Ky Post Number: 3264 Registered: Dec-04 | haha, i actually mean to put joe, not sub lol. But yea i need the port lengths i suck at that sh*t lol |
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Gold Member Username: FishyTamarac Ft.Laud, FL USA Post Number: 1118 Registered: Sep-04 | Need to know what drivers you're using so we can figure out driver displacement. I can give you a ballpark figure from WinISD. Assuming .25 ft^3 driver plus port displacement gives ya 2.62 ft^3 net. lol, well Sub forget the PVC. WinISD says .73" port lengths. In other words just drill ya a pair of 1.5" diameter holes in the mdf. Can you say "port noise"? Why don't you go with something a bit more practical like a pair of 5" long, 3" i.d. ports. -Fishy |
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Gold Member Username: InvainMichigan United States Post Number: 2167 Registered: Aug-04 | Yeah, 1.5" ports would suck. I've heard bad port noise before, and you don't want it. |
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Gold Member Username: Jonathan_fGA USA Post Number: 3838 Registered: May-04 | If you were porting tweeters a 1.5" port would work. |
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Gold Member Username: InsearchofbassPost Number: 1681 Registered: Jun-04 | when you say 1.5 inch thick it makes it sound like its that thickness not usable internal port diameter...your port can be a 9 high by 6.25 wide slot port your boxes depth being your depth youll be good at the 1200 watts if you choose to use it as far as port whistle is concerned this is using 2.62 cf as your box space after .25 displacement for the subwoofer youll be port tuned to 45 hz....what happened to our 6 cubic foot box? in that size box youll peak out at about 53 hz with a 45 hz port tune not your 48 hz you wanted it at |
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Gold Member Username: InsearchofbassPost Number: 1682 Registered: Jun-04 | this is assuming were talking about the eclipse 9152 |
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Gold Member Username: InsearchofbassPost Number: 1683 Registered: Jun-04 | and that your box measurements you gave were external not internal |
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Gold Member Username: FishyTamarac Ft.Laud, FL USA Post Number: 1122 Registered: Sep-04 | Hey Sub Why don't you just d/l WinISD, http://www.linearteam.dk/default.aspx?download=winisd or http://www.linearteam.dk/default.aspx?download=winisdpro learn how to use it, and quit buggin us ok? :P If thats too difficult(post 4:20?) here's a port calculator even Jeff Spicoli could master: http://www.carstereo.com/help/Articles.cfm?id=31  -Fishy |
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