Can somebody help??
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Silver Member Username: Pike11012w6v2s, Indianapolis... Post Number: 289 Registered: Oct-05 | I have a box that is 38.5" X 14.5 X 15. I am going to to put 2 kicker c12's in it. These are home cabinets that I am changing the mtx woofers out with some c12's to get a little bit more low freq. extension for a home setup (not going in a car). I have two cabinets 2 subs per cabinet. The kicker website says that a single sub should be 2.75 cf tuned to 32hz. I was wondering if I do two 4" ports how long should they be? And also with the box being bigger than the kicker specs will it still work. I can put a divider in each box to cut down the cf, but I don't want to start cutting the boxes apart if I don't have to. Thanks in advance. |
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Silver Member Username: Bump05We Stay Fly, 18 SX USA Post Number: 387 Registered: Aug-06 | i would go flared ports...i think cannan sells them and realmofexcursion does too and they have a calculator that tell u how long they should be for whatever tuning u want |
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Silver Member Username: Pike11012w6v2s, Indianapolis... Post Number: 290 Registered: Oct-05 | Yeah, I bought some 4" flared ports from partsexpress.com I just don't know how long to make them. I have tried to use the calculators, but I just want to make sure its right before I go and start gutting the boxes. |
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Silver Member Username: Bump05We Stay Fly, 18 SX USA Post Number: 391 Registered: Aug-06 | ok what do u wanna tune them too and ill find out |
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Silver Member Username: Pike11012w6v2s, Indianapolis... Post Number: 291 Registered: Oct-05 | The kicker specs say 32, but should I tune it lower since it is for a home setup? Also, do you think that box is to big? Do you think the subs will sound "empty" or bottom out? |
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Silver Member Username: Pike11012w6v2s, Indianapolis... Post Number: 292 Registered: Oct-05 | spl? btw are u selling your sx? |
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Silver Member Username: Bump05We Stay Fly, 18 SX USA Post Number: 400 Registered: Aug-06 | well im taking offers so yea guess so...and im trying to still find out about port length just been busy |
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Silver Member Username: Bump05We Stay Fly, 18 SX USA Post Number: 401 Registered: Aug-06 | Volume of Box in Cubic Feet: Tuning frequency Port diameter Number of Ports Straight Length Port required 14.71 Flare Length Port required 15.71 heres the website i got 3.75 cubic feet but u can check it over http://www.psp-inc.com/psp-inc.com/cgi-bin/port_length_calculator.cgi |
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Silver Member Username: Bump05We Stay Fly, 18 SX USA Post Number: 402 Registered: Aug-06 | oh and thats the length with 2 ports for the box |
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Silver Member Username: Pike11012w6v2s, Indianapolis... Post Number: 293 Registered: Oct-05 | Cool, I really appreciate the help!! I just want to make sure that both flared are supposed to be 15.71 or do I cut it in half and do both 7.5? Sorry, for all of the questions. Just starting out at this stuff. |
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Silver Member Username: Pike11012w6v2s, Indianapolis... Post Number: 294 Registered: Oct-05 | I mean since I'm using two 4" ports do they both have to be 15 or do they have to be 7.5? |
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Silver Member Username: Bump05We Stay Fly, 18 SX USA Post Number: 405 Registered: Aug-06 | no..its calculated at 3.7 cubic feet tuned to 32hz 15.71 is the length for both so both flares will be 15.71 long  |
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