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    What I should upgrade next

    I have 2 SA-12s on a 2800 AD DB drive amp with 0/1 gauge wiring. JVC Head unit. Also with a soundstream B20 bass processer. The box is custom made for SA-12s 1.75 cubic ft. I have about 500$ and trying to get louder. I do have a stock alternator but it does produce 15v. I had to get a new battery after I installed a capacitor. Please leave suggestions. Thanks







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    Re: What I should upgrade next

    box seems a bit small to me, I think those subs like 2 - 2.25 each.

    Your alternator should not be putting out 15 volts, are you sure that was measured correctly?

    Is the big 3 done?

    What voltage are you running with the system up?




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    What I should upgrade next

    Quote Originally Posted by ilikeradios View Post
    box seems a bit small to me, I think those subs like 2 - 2.25 each.

    Your alternator should not be putting out 15 volts, are you sure that was measured correctly?

    Is the big 3 done?

    What voltage are you running with the system up?
    My stock alternator puts out 15v on my capacitor and I think the stock wiring for the big 3 is 6 gauge. The voltage drops to about 13.9v when hitting hard. 08 Ford Focus.




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    Re: What I should upgrade next

    There's your problem. Your big 3 should be 1/0, not 6 gauge.

    Get rid of the capacitor after the big 3 wiring is fixed. Waste of $$ for those.

    What vehicle and how much room you have?



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    What I should upgrade next

    Quote Originally Posted by Boomin_tahoe View Post
    There's your problem. Your big 3 should be 1/0, not 6 gauge.

    Get rid of the capacitor after the big 3 wiring is fixed. Waste of $$ for those.

    What vehicle and how much room you have?
    My alternator is in the back left of my engine so it's not very accessible. Room where?


    Sent from my iPhone using Tapatalk




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    Re: What I should upgrade next

    Quote Originally Posted by Imperial _Ghost View Post
    My alternator is in the back left of my engine so it's not very accessible. Room where?


    Sent from my iPhone using Tapatalk
    Oh really? So how did you manage to get 6 gauge in there then?


    Room for more subs, if you have any.



    97 4 dr. Tahoe
    Optima redtop
    Alpine 9835
    Polk Audio MM6501 comps
    Soundstream Rubicon 1.2500D & 4.500 amps
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    Knukonceptz/Royal Excelene wiring

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    What I should upgrade next

    Quote Originally Posted by Boomin_tahoe View Post
    Oh really? So how did you manage to get 6 gauge in there then?


    Room for more subs, if you have any.
    It came stock with the wiring, and it's compact car but I did mange to get a 4 cubic foot box in there at one time




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    Re: What I should upgrade next

    Again, what vehicle is it? Yeah big 3 is a must. That STOCK wiring, as what it's called, isn't gonna cut it.

    Don't care if it's compact. There's a will, there's a way. Anything is possible.



    97 4 dr. Tahoe
    Optima redtop
    Alpine 9835
    Polk Audio MM6501 comps
    Soundstream Rubicon 1.2500D & 4.500 amps
    2 Sundown Audio X 15's Tuned @ 30Hz.
    Knukonceptz/Royal Excelene wiring

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    Re: What I should upgrade next

    Quote Originally Posted by Boomin_tahoe View Post
    Again, what vehicle is it? Yeah big 3 is a must. That STOCK wiring, as what it's called, isn't gonna cut it.

    Don't care if it's compact. There's a will, there's a way. Anything is possible.
    08 Ford Focus


    Sent from my iPhone using Tapatalk




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    Re: What I should upgrade next

    I'd at least take the time to do your big 3 in 1/0 you don't want to skimp on the electrical, & if you managed a 4cf box then you should have enough room as stated there going to like a box that's bigger because recommended is 1.5-2.0cf per woofer.



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    Re: What I should upgrade next

    Better design for those subs. That box you have now is prefab. Hit up @CSCStang for a design for those.

    These newer cars/trucks....getting to be a pain intheass to work on.



    97 4 dr. Tahoe
    Optima redtop
    Alpine 9835
    Polk Audio MM6501 comps
    Soundstream Rubicon 1.2500D & 4.500 amps
    2 Sundown Audio X 15's Tuned @ 30Hz.
    Knukonceptz/Royal Excelene wiring

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    Re: What I should upgrade next

    Quote Originally Posted by Boomin_tahoe View Post
    Better design for those subs. That box you have now is prefab. Hit up @CSCStang for a design for those.

    These newer cars/trucks....getting to be a pain intheass to work on.
    I have a 1.75 box for them now that was designed for them, the black box was the old one. This is the only video I have of the new box tuned at 35. Also in my opinion this box is louder.




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    Re: What I should upgrade next

    Quote Originally Posted by Imperial _Ghost View Post
    I have a 1.75 box for them now that was designed for them, the black box was the old one. This is the only video I have of the new box tuned at 35. Also in my opinion this box is louder.
    Is that 1.75cf the total size of your box or is it per sub? If that's the total cf for the box it's to small.



    2003 Lancer ES
    H/U- Pioneer 880prs
    Mids/Highs- ????
    Sub Stage- DC Xlm2 12s(soon to be FI BTL Neo's)
    Mids/Highs Amp- Crescendo 1000C4
    Sub Amp- 2 Ampere 3800.1s
    Wiring- Welding 2/0, Welding 4g & Welding 8g
    Alt-????
    Batteries- 4 Xs Xp3ks & 1 Lithium
    Enclosure- 3.33Cf tuned to 34hrtz

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    What I should upgrade next

    Quote Originally Posted by Austin175 View Post
    Is that 1.75cf the total size of your box or is it per sub? If that's the total cf for the box it's to small.
    It's 1.75 per sub




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    Re: What I should upgrade next

    Min 1.5 PER driver. so that should be 3 cu ft for both subs. That 1.75 cu ft ported box still too small.



    97 4 dr. Tahoe
    Optima redtop
    Alpine 9835
    Polk Audio MM6501 comps
    Soundstream Rubicon 1.2500D & 4.500 amps
    2 Sundown Audio X 15's Tuned @ 30Hz.
    Knukonceptz/Royal Excelene wiring

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