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Reload Thread: 4 12 inch hifonics hfis 4th order bandpass help.

  1. #1
    marcotheclepto's Avatar
    marcotheclepto is offline CarAudio.com Veteran



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    4 12 inch hifonics hfis 4th order bandpass help.

    gonna do a build for my friend this week in the back of his jimmy.

    36 w
    28 h
    23 D


    If anyone wants to help me work with this that would be great. or if you know these don't work well in 4th order bandpass speak up. wanna start building tomorrow after work. will be daily. offa 800-1200wrms ( no amp yet.) mainly rap music. any suggestions/ experience with these drivers welcome. thanks.


    basically ive got this to work with with a heiggt of 28

    Last edited by marcotheclepto; 12-12-2009 at 02:10 AM.



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819




  2. #2
    mobeious's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    hmmmmm



    Alpine CDA-9833
    (2)sets Cresendo ccx65


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    skitzafit's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.





  4. #4
    marcotheclepto's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    hmmm, dimensions are larger than i can use, but gives me an idea as to the volume i need at least.



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819

  5. #5
    marcotheclepto's Avatar
    marcotheclepto is offline CarAudio.com Veteran

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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    any other opinions? have some more space to squeeze either up or out behind the tire wells.



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819

  6. #6
    marcotheclepto's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    ttt any ideas?



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819

  7. #7
    iamamp3pimp's Avatar
    iamamp3pimp is offline Bass Heads Entertainment



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    marcotheclepto's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    Quote Originally Posted by iamamp3pimp View Post
    I got some ideas.

    I read your PM, let me think about it for a bit

    -Robin
    sounds great man, i appreciate it. height can now be as tall as 28 if necessary.



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819

  9. #9
    marcotheclepto's Avatar
    marcotheclepto is offline CarAudio.com Veteran

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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    ttt



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819

  10. #10
    marcotheclepto's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.




    any ideas of where to go from here? not sure how to calculate the ports tuning with a bandpass box, do i calculate the entire boxes volume or just the volume of the ported section. was told to try for around 3 sealed and 9-10 ported 250 sq in of port at 48Hz port. was told 5 in of port length should be about right, which confused me...


    edit: nvm they menat to type 150
    Last edited by marcotheclepto; 12-12-2009 at 05:27 PM.



    need a box design? click here or email [email protected]
    1997 Buick LeSabre Limited
    wiring:2 runs (2 pos 2 neg) of 0 ga big 3 in 0 ga 50 ft of knu cca, and 36 ft of the wire loudcartunez sells...
    Head unit: Kenwood excelon KDC-X692
    Sub Amp: Autotek Mean Machine 4000D
    Subs: 2 custom 15s built by ssackett
    Sub box: 4th order bandpass 2.52 cubes sealed 5 cubes ported tuned to 59 Hz
    comp amp: CDT SQA4100
    Comps: 2 sets of CDT CL-61i
    Deadening: 50 cld tiles and 20 sq ft of damp pro.
    feedback please post if you have had any transactions.
    http://www.caraudio.com/forum/showth...19#post6113819

  11. #11
    profundus-sanus's Avatar
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    i would go larger on the sealed side.. the hfi's don't have much motor strength so you have to be careful w/ small box's

    i would do 5 sealed 8 ported w/ 150 sq inches of port.. calculate tuning like the ported chamber is a standard ported box.

    so a 150 square inch port in a 8 cubes box tuned to 45 would be 14.75" long

    if your tight on space you can cut the sealed chamber down a little bit
    Last edited by profundus-sanus; 12-13-2009 at 01:27 PM.




  12. #12
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    Re: 4 12 inch hifonics hfis 4th order bandpass help.

    im using six of these woofers. the are good performers. But if u dont have proper space these dont work. I suggest a 1.5 cube sealed per woofer and shoot for 2.25 ported per so if u can do 6 sealed & 9 ported they will shine but a min of 5 sealed 8 ported otherwise just do a standard ported box.




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