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Silver Member Username: Adam_sPost Number: 116 Registered: Aug-04 | OK well I just bought a 15" rl-p and now I am going to build a ported box for it. I really dont know how to calculate anything for the ports. I am planning on going with flare ports most likely just looking for some help on figuring out length, diamater, and how many to achieve the tune I am looking for. |
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Gold Member Username: StnorrisIA US Post Number: 1153 Registered: Apr-06 | http://www.psp-inc.com/psp-inc.com/cgi-bin/port_length_calculator.cgi |
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Silver Member Username: ShawnomakSask Canada Post Number: 323 Registered: May-05 | Heres another site. I use it alot: http://www.subwoofertools.com/forum/ported-box.asp? |
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Silver Member Username: Adam_sPost Number: 118 Registered: Aug-04 | Volume of Box in Cubic Feet: 3.5 Tuning frequency 31hz Port diameter 4" Number of Ports 1 Straight Length Port required 7.14 Flare Length Port required 8.14 this is what I entered and got those figures....its seems kinda short because when I was going to build a slot port it was a lot more port volume....is this actually correct?? i really dont know much about porting. |
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Silver Member Username: Adam_sPost Number: 119 Registered: Aug-04 | bump |
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Silver Member Username: Adam_sPost Number: 120 Registered: Aug-04 | bump...please I dont know what im doing here and need to figure it out b4 the sub comes |
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Silver Member Username: Adam_sPost Number: 121 Registered: Aug-04 | bump.....does this look correct Volume of Box in Cubic Feet: 3.5 Tuning frequency 31hz Port diameter 4" Number of Ports 1 Straight Length Port required 7.14 Flare Length Port required 8.14 this is what I entered and got those figures....its seems kinda short because when I was going to build a slot port it was a lot more port volume....is this actually correct?? i really dont know much about porting. |