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    BlackMaxima's Avatar
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    help with 3way crossover set points

    for my 3 way front stage this is what im thinking about getting


    Tweeter: Scan-Speak Illuminator R3004/6020
    Midrange: Fountek FR135EX
    Midbass: Peerless SLS

    for crossover points this is what im thinking, and then from there ill start tuning and making adjustments

    Tweeter:6500khz to up
    Midrange:160hz to 6500khz
    Midbass:60hz to 160hz
    Subs: 20hz to 60hz (IB in rear deck x2 12inch Idq v3)






    TY



    References: ME,







    Quote Originally Posted by CRAZYCORNUTS18 View Post
    the JL 500/1 is good and JL actually puts out like 185% so that would be good
    Quote Originally Posted by Buffalohed View Post
    My mom is the ultimate SPL woofer.
    Cheapest too.
    Quote Originally Posted by dpom View Post
    i was wondering if this site was legit, im not sure if im allowed to post it or not so let me know if i can.
    (www.caraudio.com)




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    Re: help with 3way crossover set points

    Locations?




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    Re: help with 3way crossover set points

    Quote Originally Posted by James Bang View Post
    Locations?
    Locations will be

    Midbass: in the doors
    Midrange: in a kicks sealed
    Tweeter: in pillars


    I might change the mids from Fountek FR135EX to Hi-Audio Prolific

    here is the link
    http://www.haudioincus.com/Acappella-Series.php



    powered by:
    1) ArcAudio KS 300.4 (90X4 for the twets and midrange)
    1) ArcAudio KS 300.4 bridged ( 350x2 for the midbass)
    1) ArcAudio KS KS 1000.1 for the subs



    References: ME,







    Quote Originally Posted by CRAZYCORNUTS18 View Post
    the JL 500/1 is good and JL actually puts out like 185% so that would be good
    Quote Originally Posted by Buffalohed View Post
    My mom is the ultimate SPL woofer.
    Cheapest too.
    Quote Originally Posted by dpom View Post
    i was wondering if this site was legit, im not sure if im allowed to post it or not so let me know if i can.
    (www.caraudio.com)

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    Re: help with 3way crossover set points

    That's an expensive tweet and you're not planning on crossing it over low. IMO, I'd look at a more affordable tweet, maybe the Peerless HDS or something.




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    Re: help with 3way crossover set points

    Affordable is subjective. There's a huge size diff.

    Anyhow. With the listed mids and tweets you have a wide range between them that you can cross them. That's a very low FS tweet and the fountek extends very high (fullrange iirc.)

    With those locations, the higher the midrnage plays, the more problems you might have with stage height, however, some argue that the mids should play the whole vocal range.

    Those xover points you listed sound like a good starting point, though I would probably cross the tweets lower.

    No one can really give you specific xover points to use. Its best to tinker and adjust, trial n error, to see which sounds best and suits you.

    As long as your speakers are playing safely within their limits, then you're fine.
    Last edited by James Bang; 01-06-2010 at 12:15 AM.




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    Re: help with 3way crossover set points

    thanks james


    I just want to have a starting point and then from there ill start to tuning it

    ill just start with this

    Tweeter:2000khz to up
    Midrange:160hz to 2000khz
    Midbass:60hz to 160hz

    BTW james i got a tread on DIY mobile audio
    http://www.diymobileaudio.com/forum/...-help-plz.html

    if you wanna come and check it out



    References: ME,







    Quote Originally Posted by CRAZYCORNUTS18 View Post
    the JL 500/1 is good and JL actually puts out like 185% so that would be good
    Quote Originally Posted by Buffalohed View Post
    My mom is the ultimate SPL woofer.
    Cheapest too.
    Quote Originally Posted by dpom View Post
    i was wondering if this site was legit, im not sure if im allowed to post it or not so let me know if i can.
    (www.caraudio.com)

  7. #7
    James Bang's Avatar
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    Re: help with 3way crossover set points

    Quote Originally Posted by BlackMaxima View Post
    thanks james


    I just want to have a starting point and then from there ill start to tuning it

    ill just start with this

    Tweeter:2000khz to up
    Midrange:160hz to 2000khz
    Midbass:60hz to 160hz

    BTW james i got a tread on DIY mobile audio
    http://www.diymobileaudio.com/forum/...-help-plz.html

    if you wanna come and check it out
    2khz(i think that's what you mean) would be the lowest I'd recommend for that tweet.

    ...no thanks on that diyma stuff.




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    Re: help with 3way crossover set points

    Play around with the lpf on the midbass. You could probably raise it up just a little bit too. You're also going to have to fool around with the slopes. The only one I can definitely say is to put the steepest slope on the tweeter hpf. Also, I've heard many times that a nice slow rolloff from the subs to the midbass helps out the usual difference in output between the subs and midbass. I kinda like it too. The rest depend on you.



    ***My build: 2 SSA Xcons, Sundown, Vifa, TB, Hertz, 880prs, etc.***
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    Re: help with 3way crossover set points

    Any reasoning behind the steepest slope possible for tweets, blue?




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    Re: help with 3way crossover set points

    would it be better to put the woofer in the kick and the midrange in the door? just curious



    “Ignorance more frequently begets confidence than does knowledge" Charles Darwin

    refs---
    http://www.caraudio.com/forum/showthread.php?t=219529&highlight=perfecxionx
    http://www.caraudio.com/forum/showthread.php?t=259748
    http://www.diymobileaudio.com/forum/itrader.php?u=28091
    http://www.caraudioclassifieds.org/forum/itrader.php?u=916
    http://myworld.ebay.com/perfecxionx/

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    Re: help with 3way crossover set points

    Quote Originally Posted by James Bang View Post
    Any reasoning behind the steepest slope possible for tweets, blue?
    Just was I was told over and over (for the lowest recommended xover point). I don't have any tests done on it but its probably due to the mechanical limit of the tweeter right? Also, it seems to me that the octaves in that range cover a wider range of hz so that less overlapping will be the result. Some like it I suppose, I've tried it but went back to steep. If my mid and tweeter were closer (side by side possibly), or if I changed the power going to the speakers, or just a couple other eq adjustments might make me reconsider having a default steep slope. I'm not quite there yet, still a novice.



    ***My build: 2 SSA Xcons, Sundown, Vifa, TB, Hertz, 880prs, etc.***
    http://www.caraudio.com/forum/showthread.php?t=359675

    CA Refs: bought from: Jacka, bones22, civicman07, Zeuslicious, 90accordman, DesertDawg(<---EXCELLENT seller)
    Sold to: 97accordalpine, Jgyolai, brenTgrillzem, nicksredline, lantz, bagged97tacoma, Plottin4success, microhaxo
    ROE Refs: Bought from delvryboy, jnralp00, dcmcki, Mxman38, Excessive Amperage, GoinDef154, blackdragonx118, Assman.

    Currently For sale: Everything

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    Icon6 Re: help with 3way crossover set points

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    Re: help with 3way crossover set points

    lulz, youve been spammed.




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    Re: help with 3way crossover set points

    with tweets having fs of 600-1khz, you can have common xover points of 2.5-3khz+khz and use shallow slopes safely.

    Remember, the slopes messes with the phase.




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    Blue Fury's Avatar
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    Re: help with 3way crossover set points

    Quote Originally Posted by James Bang View Post
    with tweets having fs of 600-1khz, you can have common xover points of 2.5-3khz+khz and use shallow slopes safely.

    Remember, the slopes messes with the phase.
    Amen to that. I was experimenting with this very topic maybe a month ago and it wasn't sounding very nice at all.. more like a ringing on certain frequencies. I quickly stopped that and set it back to what I liked.



    ***My build: 2 SSA Xcons, Sundown, Vifa, TB, Hertz, 880prs, etc.***
    http://www.caraudio.com/forum/showthread.php?t=359675

    CA Refs: bought from: Jacka, bones22, civicman07, Zeuslicious, 90accordman, DesertDawg(<---EXCELLENT seller)
    Sold to: 97accordalpine, Jgyolai, brenTgrillzem, nicksredline, lantz, bagged97tacoma, Plottin4success, microhaxo
    ROE Refs: Bought from delvryboy, jnralp00, dcmcki, Mxman38, Excessive Amperage, GoinDef154, blackdragonx118, Assman.

    Currently For sale: Everything

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