Alpine Type R Subwoofer Box Help
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New member Username: Heinzlmeir4Post Number: 1 Registered: Oct-08 | I have 2 12" Alpine Type R subs, running off of a Alpine MRP-M1000 amp (1100rms). I currently have a prefab ported box but i want to build myself a custom ported box, but i need some ideas, how many cubic feet should the box be for 2 and what should i tune the port at? I like deep loud bass lots.I just need some help with my box design |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 562 Registered: Jan-08 | I have 2 12" r's also. I built a box to 3.8cu at 35hz before sub displacement. Its loud and destroys low notes. It also sounds good on any type of music. If you have the room go with 4cuft(after sub displacement) @35hz. Do you need any links to help you design? |
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Platinum Member Username: Rovin1 15 = 149.5 DBsTrinidad & T... Post Number: 14219 Registered: Jul-05 | 2cuft each is good but id rec a 32-33hz tuning with at least 12sq" of port\cuft ...or use 1 4" aeroport\sub ... |
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Gold Member Username: Drant19DUB-C, TX Post Number: 1277 Registered: Aug-07 | 2-2.5cuft per sub @ 32Hz |
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New member Username: Heinzlmeir4Post Number: 2 Registered: Oct-08 | yeah some links would be prime thanks |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 563 Registered: Jan-08 | http://www.reaudio.com/speaker_box/LPort_Box_Calc.html http://www.carstereo.com/help/Articles.cfm?id=31 http://www.the12volt.com/caraudio/boxcalcs.asp theres a few helpful ones and if you need to learn how to carpet it... http://www.icixsound.com/iv/view_video.php?viewkey=5a2e075a1a4a6e1b9770 |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 564 Registered: Jan-08 | Its really up to you. If you have the space go with 4-5cuft. And if you want to lean more towards SQ and get lower bass tune to 32hz If you want more of an SQL set up but still with low bass go with 35hz. Either way you cant go wrong. |
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New member Username: Heinzlmeir4Post Number: 4 Registered: Oct-08 | what is the main differnece between SQL and SQ like im only 16 years old and this is my second system, kinda new into this stuff. like i listen to rap, currently my prefab box is 2.8 cubic feet tuned at 38hz, i want it to be louder and hit harder |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 565 Registered: Jan-08 | make the box bigger and you should see a gain. SQL is sound quality loud and SQ is sound quality. SQ pretty much means more accurate bass. If you think the bass you are playing right now sounds pretty accurate for the type of music you listen to(other than not loud enough)and if you are happy with how low it gets then use the 38hz tuning and just make a larger box. If you want lower/more accurate bass then tune lower. Usually you will lose some SPL when you tune lower. |
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New member Username: Heinzlmeir4Post Number: 5 Registered: Oct-08 | so if i want it to be louder and hit harder, i should go with like a 32hz? |
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Platinum Member Username: Rovin1 15 = 149.5 DBsTrinidad & T... Post Number: 14228 Registered: Jul-05 | no more like 35hz ... |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 567 Registered: Jan-08 | Its hard to tell... at least for me. you'll get louder just by giving the subs the right amount of airspace. Generally: 32hz will give you more sound quality and lower bass 38hz will lose some sound quality and low bass, but it will be louder. What is the difference between hitting harder and louder? |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 568 Registered: Jan-08 | That why I like the middle ground of somewhere between 34-37hz you get a little bit of both. |
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New member Username: Heinzlmeir4Post Number: 6 Registered: Oct-08 | so like a 4.5 cubic feet box tuned to around 35 34 hz would be around prime for what im looking for? |
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Silver Member Username: DuckaHoughton and/or Macomb, MI United States Post Number: 569 Registered: Jan-08 | From what you have said yeah, I would go with that. If you build the box right you will be happy. |
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Platinum Member Username: Rovin1 15 = 149.5 DBsTrinidad & T... Post Number: 14230 Registered: Jul-05 | ^agreed ... |
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Bronze Member Username: Heinzlmeir4Post Number: 13 Registered: Oct-08 | thanks alot |
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