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Reload Thread: 4th Order Bandpass for 3 12in Type-R's by 80inches

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    4th Order Bandpass for 3 12in Type-R's by 80inches

    Just got my designs for a 4th Order Bandpass last night for three 12in Type-R's.

    The rear chamber is 4.3cubes before sub displacement. Not sure what the displacement is on the subs. The port is tuned to 56hz

    I was kinda scared when I first got the plans because I thought the rear chamber would be to small for 3 type-R's at 4.3cubes, but 80inches says that this box will get pretty **** loud and hit the low notes pretty good so I'm pretty excited to start building it this weekend and to get some flex vids

    Box will go in a '95 Explorer

    but here is the box.
    Attached Thumbnails Attached Thumbnails 4th Order Bandpass for 3 12in Type-R's by 80inches-bandpass-box-80inches.jpg  



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    Sounds like it's going to be a huge box.

    4th order is where its at....until you want to try a 6th order, but I don't think I have the room.




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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    hmm 114square inch port + 4thorder bandpass + 3k watts(give or take)= serious serious wanging

    80




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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    should be very nice.




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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    Pfft.



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    i wish i had the room.



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    I sorta want to try a bandpass box, but I don't know if it will be worth it/ if I have the room.



    Refs: Chriscivic, Raven2201, Thespeakerman, dkmesa, dB Dom, Showrides, bow125106, 00maxima, BassAce, Lil_KB, tommyk90, snoopdan

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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    whats the difference between 4th and 6th....im going to do a 4th order with 3 mag 12's



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    80's been busy with those bandpass designs.... I'm looking forward to throwing my L7 in one if I dont change subs completly.



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    Mitch, try it out.


    I design a ton, and I was really impressed with a 4th order (80's) on an L7 with about 500 watts.........



    its fairly small too.



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    box build progress with pics tommorow morning



    ref. - mike75356, TCAB, TheLow

    Orion 2500D For sale...Link:
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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    dbl post



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    Quote Originally Posted by bdawson72 View Post
    whats the difference between 4th and 6th....im going to do a 4th order with 3 mag 12's
    4th has only the front wave of the sub ported
    6th has both the front and rear chambers ported

    NOW i have a question about a sorta 4th order box

    along timeago, my GF got some old RF subs in a 4th order box BUT the front of the sub shared a comon sealed chamber and the rear of the subs had there own ported chambers. whats up with that



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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    Quote Originally Posted by 406er View Post
    4th has only the front wave of the sub ported
    6th has both the front and rear chambers ported

    NOW i have a question about a sorta 4th order box

    along timeago, my GF got some old RF subs in a 4th order box BUT the front of the sub shared a comon sealed chamber and the rear of the subs had there own ported chambers. whats up with that
    thats a inverted 4th order

    80




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    Re: 4th Order Bandpass for 3 12in Type-R's by 80inches

    Alright mp3pimp, I'll try it..I guess a it'll either be good, or just a waste of 25-30 bucks. Nothin to cry over. I'm not impressed at all with the current box. (which is too small and tuned @ 32hz.) I have about 900 watts or so to throw at it also.

    Looks like a bandpass bandwagon has formed lately...

    Count me in.



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