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Reload Thread: Avalanche|4 12"s|Seems Legit right?

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    Avalanche|4 12"s|Seems Legit right?

    Helping a friend install 4 12s in his avalanche.
    For now just the subs the box and the amps will be done.
    Mids and highs will be done later.
    2 5000.1 RE amps
    4 12" RE Sx pros
    Well here is some progress, it will be done by July 17th for a competition.
    Gonna add some extra batts and the big 3
    A new alt and better bats will be installed later.
    Attached Thumbnails Attached Thumbnails Avalanche|4 12"s|Seems Legit right?-image.jpg   Avalanche|4 12"s|Seems Legit right?-image.jpg  
    Last edited by Roppolo; 07-07-2013 at 04:07 AM.







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    Re: Avalanche|4 12"s|Seems Legit right?

    So here is some progress. It's giving me a hard time uploading pics tho.




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    Re: Avalanche|4 12"s|Seems Legit right?





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    Re: Avalanche|4 12"s|Seems Legit right?



    ---------- Post added at 05:00 PM ---------- Previous post was at 04:59 PM ----------





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    Re: Avalanche|4 12"s|Seems Legit right?





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    Re: Avalanche|4 12"s|Seems Legit right?

    Now that's a heavy box. Front is double faced with rings.




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    Re: Avalanche|4 12"s|Seems Legit right?






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    Re: Avalanche|4 12"s|Seems Legit right?

    Any tips or advice will be appreciated. This is my first big build.




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    Re: Avalanche|4 12"s|Seems Legit right?

    Nice work. As a tip, which becomes more important when competing, is to reduce the number of chambers in the box. Having many chambers helps the subs load equally, and it also provides great strength, but it also increases the reactive load on your amp. Higher load translates to less power out of the amp. In certain situations a higher load may be desirable, such as if the amp was going into protect because the load was too low. For most people however, they benefit on the meter when they can reduce that reactive load and hence get more power out of the amp.



    4x 12" HDC3's
    1x Hifonics Maxximus (rated 10,000@1ohm)
    2x Powermaster D3100
    8x runs of 0 gauge
    1x stock alt

    155.2 dB legal (vehicle off and @50Hz) in a Ford exploder

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    Re: Avalanche|4 12"s|Seems Legit right?

    no clue where your meter location is, but you will have problems building pressure in a single spot with all of those ports and different placement of them... will sound loud, but wont meter loud most likely




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    Re: Avalanche|4 12"s|Seems Legit right?

    Thanks for the responses. This is my first box build. We built the box to where each chamber had about 2 cu ft of air space. That's whats the subs required for the best performance. We just designed the ports off another sub box. I'm guessing a meter reads the db? If so where should it be placed? And any clue what db you think I might be able to hit? Also I have no clue to tell what the box is tuned to. Is that bad lol

    ---------- Post added at 05:15 PM ---------- Previous post was at 05:14 PM ----------

    ^^^^^ I meant to press quote sorry.




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    Re: Avalanche|4 12"s|Seems Legit right?

    For competition tuning frequency is very important. Do you have access to a meter?



    4x 12" HDC3's
    1x Hifonics Maxximus (rated 10,000@1ohm)
    2x Powermaster D3100
    8x runs of 0 gauge
    1x stock alt

    155.2 dB legal (vehicle off and @50Hz) in a Ford exploder

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    Re: Avalanche|4 12"s|Seems Legit right?

    Yes I do like a volt meter ?




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    Re: Avalanche|4 12"s|Seems Legit right?

    No, SPL meter.... Like a TermLab.

    You could measure your port, box, etc. Plug the numbers into WinISD and get a rough estimate on your tuning.
    LinearTeam



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    Re: Avalanche|4 12"s|Seems Legit right?

    Looks like you should of done more research before.



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