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Silver Member Username: Kpa2727Post Number: 108 Registered: May-07 | i'm trying to figure out port length on a single bandpass for a 12 inch alpine type - r. it's a dual voice coil 4 ohm wired to 2 ohm. the fs is 29 hz the vas is 45 l {1.6ft} to the third. the box give me to ports each a foot in length. so i'm trying to find out how long to make each one to match my woofer. the link to the box is here http://www.qlogic.ws/products/q_enclosures_detail.jsp?classID=55&categoryID=228& groupID=7929 |
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Silver Member Username: Kpa2727Post Number: 121 Registered: May-07 | not to be obnoxious but ::bump:: i really need to solve this one quickly !! |
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Gold Member Username: SouthernrebelMonroe, Louisiana DD 9515d~~]... Post Number: 5031 Registered: Mar-04 | Sorry to say it man, but i would burn that box and build a ported box. Try ~2cuft net tuned to 35hz for dialy...prolly sound 100% better than that prebuild bandpass. W/ that bandpass box, you are going to get a big peak in SPL at ~55-60hz and nearly nothing in the 30hz-50hz range. But if you are going to keep that bandpass, just leave the ports 12" long for daily. |
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Silver Member Username: Kpa2727Post Number: 123 Registered: May-07 | well i can return it but best buys gonna kill me lol i returned so much shite. but if i go with a q logic wats going to really slam it home? |
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Gold Member Username: SouthernrebelMonroe, Louisiana DD 9515d~~]... Post Number: 5033 Registered: Mar-04 | a hammer. |
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Silver Member Username: Kpa2727Post Number: 124 Registered: May-07 | ha---ha, but seriously i don't have any real box builders around here and money as u can see is tight bassiclly for a year i been playing with best buy's store credit. so my only real option is a q logic atm. |