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Reload Thread: Running stock alt on 2200 watts

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    Running stock alt on 2200 watts

    Hello,

    I want some opinions. Do you think I could run a AB VFL 4480 (2200 RMS) on an electrical system that consists of: My stock alt - 105A, The Big 3, 2 Runs of 0 Gauge to the back, and 2 100AH batteries in the back, with a stinger 35AH up front.

    Would it stress my alternator too bad?







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    Re: Running stock alt on 2200 watts

    I think you would be okay. I ran my saz-1500d @ 1ohm with a 80 amp alt, big 3, and a dedicated ground and stayed in the 13's most of the time... with the stock battery.




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    Re: Running stock alt on 2200 watts

    Big 3 one run 1/0 for power and one for ground. Duralast platinum up front and no batt in back on a rf t1500bdcp. And a stock 130 amp with very little voltage drop. 13.4 was the lowest I saw. I think u would be golden on ur setup.




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    Re: Running stock alt on 2200 watts

    Quote Originally Posted by Patthehat033 View Post
    Hello,

    I want some opinions. Do you think I could run a AB VFL 4480 (2200 RMS) on an electrical system that consists of: My stock alt - 105A, The Big 3, 2 Runs of 0 Gauge to the back, and 2 100AH batteries in the back, with a stinger 35AH up front.

    Would it stress my alternator too bad?
    Those amps are crazy efficient. I asked mylows10 about what electrical I should have when running one when I was debating on buying it from him, and he said big 3 and a small batt in the back would be plenty.



    Bought from: flastrongman, nitefury 360, luckyderder, Jayzbent, fasfocus00, flaboy22, oldschool4me, Chevy Blazin', Inter007, dross93ranger, 04murdalanche, glitchsta, photocrazy8

    Traded with: mylows10 Sold to/traded with: garychoffman, juanmgarza, 04murdalanche, Markyg66, basswiigee, btolenti, supereikenator, shauncox26, eg9(x2), big scott, bad @SS chevy

    http://www.caraudio.com/forums/itrader.php?u=1018999

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    Re: Running stock alt on 2200 watts

    I ran a single aq 2200d @.5 ohm for couple years on a stock scion alt, like 90 amp, stock battery up front, smallest shuriken in the back with 0 problems. No big 3, just 2 runs of 0 gauge



    2012 rs 9.0 scion xb, 2 obsidian audio 18's, skar audio 1500.1

    refs: Sold to: MYTrunkSlamz, Buck, reflecting

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    Re: Running stock alt on 2200 watts

    Quote Originally Posted by alec14 View Post
    Those amps are crazy efficient. I asked mylows10 about what electrical I should have when running one when I was debating on buying it from him, and he said big 3 and a small batt in the back would be plenty.
    Crazy efficient? Like... how crazy?



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    Re: Running stock alt on 2200 watts

    Recent install with a bc2k at .7 with 1 d3400 up front and 2 xp950's in the back, big 3, and it stays in mid 13's



    Head unit: kdcx-996
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    Rear Stage: (4) PWX 6.5's (2) PWX 10's (2) FT1 supertweeters
    Amps: (2) Crescendo Audio C1100.4's (1) Image Dynamics Q700.2

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    Re: Running stock alt on 2200 watts

    I was reading today on efficiency because I will be installing a saz2500,

    And I thought you had a upgraded alt in your grand am?



    05 gxp
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    Re: Running stock alt on 2200 watts

    Quote Originally Posted by TaylorFade View Post
    Crazy efficient? Like... how crazy?
    Lol, well that may be a bit of an exaggeration, but for having 120A of fusing for 2200W of power, I consider that pretty efficient.



    Bought from: flastrongman, nitefury 360, luckyderder, Jayzbent, fasfocus00, flaboy22, oldschool4me, Chevy Blazin', Inter007, dross93ranger, 04murdalanche, glitchsta, photocrazy8

    Traded with: mylows10 Sold to/traded with: garychoffman, juanmgarza, 04murdalanche, Markyg66, basswiigee, btolenti, supereikenator, shauncox26, eg9(x2), big scott, bad @SS chevy

    http://www.caraudio.com/forums/itrader.php?u=1018999

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    Re: Running stock alt on 2200 watts

    Ive run 2k quite a few times on a stock alt with just big 3 and an agm under the hood. Ive never even had lights dimming.




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    Re: Running stock alt on 2200 watts

    Sorry to hijack but I have a 03 silverado stock 105a with a CT Sounds 1400d I wont let it drop under 12v but different songs will make it go under 12 but I lower it real quick NOW will I be safe with a XS power d3400 as a starter and do the big 3? I am also upgradeing my alt to a 145a think ill be safe for around 2600 rms?



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    -Sub stage amp: Hifonics BRX2400D
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    Re: Running stock alt on 2200 watts

    Quote Originally Posted by alec14 View Post
    Lol, well that may be a bit of an exaggeration, but for having 120A of fusing for 2200W of power, I consider that pretty efficient.
    Yeah I'll say that's efficient!

    120 amps of fuses @ 14 volts is 1680 watts, and that's 100% efficient! To get 2200W RMS it would have to be 130% Efficient!!!!! a new power source LOL.
    If it is 70% efficient it would be 1176 watts RMS, which would be more realistic




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    Re: Running stock alt on 2200 watts

    Quote Originally Posted by Bggd_GMC View Post
    Sorry to hijack but I have a 03 silverado stock 105a with a CT Sounds 1400d I wont let it drop under 12v but different songs will make it go under 12 but I lower it real quick NOW will I be safe with a XS power d3400 as a starter and do the big 3? I am also upgradeing my alt to a 145a think ill be safe for around 2600 rms?
    If you want your battery to last try to keep your voltage above 13.5. The higher you keep your voltage the longer your battery will last.
    I have 3000 watts of amps in my van with it 130 amp stock alt and it rarely drops below 14.2 volts. I have a 80 amp (=1136 watts) inline fuse going to all three amps so it CAN'T pull to many amps. Most people run their systems only pulling just fraction of rated power... I think you should be good a 145 amps
    Last edited by Roland; 11-28-2013 at 02:14 PM. Reason: typo




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    Re: Running stock alt on 2200 watts

    Quote Originally Posted by jteske88 View Post
    I was reading today on efficiency because I will be installing a saz2500,

    And I thought you had a upgraded alt in your grand am?
    Yes you are correct, however... Mechman sold me an alternator that keeps breaking...
    So I have my OEM in my car currently which has had no problems. If Mechman can't figure it out I might just sell the alternator and use my stock one if I don't necessarily need it.

    Quote Originally Posted by Roland View Post
    Yeah I'll say that's efficient!

    120 amps of fuses @ 14 volts is 1680 watts, and that's 100% efficient! To get 2200W RMS it would have to be 130% Efficient!!!!! a new power source LOL.
    If it is 70% efficient it would be 1176 watts RMS, which would be more realistic
    Before this turns into an all out efficiency brawl. This topic has been discussed and just because it is a 120A fuse, does not mean it only pushes 120A of power. The fuse might be able to handle double the amperage for a short amount of time (aka a bass note). According to MyLows the amp has been clamped at 2000-2600 watts.

    But yes the amp is very efficient, and for me it is currently working really well, I have had it for several months now.




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    Re: Running stock alt on 2200 watts

    Hey patt, either way I want a demo lol



    05 gxp
    7.5 cube box tuned to 34htz
    Sundown audio sa-15's
    Sundown 2500v2
    Big Three in 2/0
    All wire klmx 2/0
    Xs power xp2500
    Tm dual inputs

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