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    Zylo's Avatar
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    Amp for 15/18 RE XXX, ~500W RMS

    Looking at spending no more than $800-900 on an amp for either a 15" or 18" RE XXX in a small sealed box.

    Any suggestions?

    I will be listening at around 500W RMS most of the time, as I want to hear when I am older but ~1000W output is good for showing off every once in a while

    I was originally planning on a JL Audio 1000/1, but I don't think it is 1 ohm stable.

    Any suggestions and manufacturer links?

    I want something efficient, not a class A/AB/C

    Thanks,

    Zylo







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    crossfire vr1000d seems to be pretty good for that... it's rated 250 @ 4ohms @ 12 volts but on 14.4 volts it's actually near 500 RMS.. and over 1000w @ 1 ohm.. (good to have once in a while to *** around)



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    Originally posted by jjoven1225
    crossfire vr1000d seems to be pretty good for that... it's rated 250 @ 4ohms @ 12 volts but on 14.4 volts it's actually near 500 RMS.. and over 1000w @ 1 ohm.. (good to have once in a while to *** around)
    14.4V? How would I get 14.4V in my car?




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    Re: Amp for 15/18 RE XXX, ~500W RMS

    Originally posted by Zylo
    Looking at spending no more than $800-900 on an amp for either a 15" or 18" RE XXX in a small sealed box.

    Any suggestions?

    I will be listening at around 500W RMS most of the time, as I want to hear when I am older but ~1000W output is good for showing off every once in a while

    I was originally planning on a JL Audio 1000/1, but I don't think it is 1 ohm stable.

    Any suggestions and manufacturer links?

    I want something efficient, not a class A/AB/C

    Thanks,

    Zylo

    JL's amp IS 1ohm stable, and don't even have to worry about calculating ohms, cause it'll adjust itself..1000W at 4 ohms, to 1 ohm, don't matter....

    800~900 bucks for an amp???? wow, that's a lot of money to blow...

    Zapco C2 9.0's, or Orion HCCA 275, PPI stuff's always excellent too... or tarantula series, looks awesome...

    but if you're on a budget like me, and want 1300w RMS @ 2ohms/1ohm cheap, the JBL 1200.1 goes for an average of US$275 (etronics, ikesound, etc)... I'll be getting mine in less than a month...whoppie!~



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    Originally posted by Zylo
    14.4V? How would I get 14.4V in my car?
    to get 14.4volts, you'd need a high-powered alt, and maybe a voltage regulator like accuvolt... but I don't know if they can hold up to 14.4 CONSTANT when there are serious bass notes...

    if your electrical system is sufficient, then a cap to "stiffen" the voltage...1F per 1000W.

    Read...IF your electrical system is SUFFICIENT... a weak charge will make the cap produce weak stiffened current... i.e., caps should be after the alt upgrade, dont' go buying a cap first.



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    Originally posted by paikiah
    to get 14.4volts, you'd need a high-powered alt, and maybe a voltage regulator like accuvolt... but I don't know if they can hold up to 14.4 CONSTANT when there are serious bass notes...

    if your electrical system is sufficient, then a cap to "stiffen" the voltage...1F per 1000W.

    Read...IF your electrical system is SUFFICIENT... a weak charge will make the cap produce weak stiffened current... i.e., caps should be after the alt upgrade, dont' go buying a cap first.
    well i just noticed this paikiah but on my *tuscani* my alt only produces 13.5 volts? WTF?
    anyway back to the question. most AMERICAN made cars stock alts run at ~ 14.4 volts. so you theoreticlly will have your 14.4 volts with the car running. but then like paikiah said the voltage will drop a touch whenever you turn any electrical drawing ...anything...in your car on...headlights headunit winshield wipers...you get the point. but basicly you will have ~ 14.4 with the car running.

    you may want to check the plate stamped on your alt to see what its actual output voltage is. GM, Ford and Chrystlar products i would assume run at 14.4. I just noticed the alt on my 2003 Hyundai Tiburon(commonly the Tuscani where its made in korea and where paikiah is at ) only runs at 13.5 volds



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    Originally posted by paikiah
    to get 14.4volts, you'd need a high-powered alt, and maybe a voltage regulator like accuvolt... but I don't know if they can hold up to 14.4 CONSTANT when there are serious bass notes...
    an average alt should still provide 14.4v just not at a high load.



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    Originally posted by avistar23
    an average alt should still provide 14.4v just not at a high load.
    actually, high or low output, alts give out an average of 13.8volts as optimum, if I'm not mistaken... i made a mistake on my inital post...

    the voltage regulator, i dunno how it works, but is supposed to be very different and WILL give a constant spike of energy in order to maintain voltage...dunno about the ampheres, but voltage...



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    the regualtor is too keep constan voltage no matter what load i think.. until it reaches maxium amperage but in most caces the altenator its self maxes before the rectifier and regulator i think.


    EDIT: i think all alts should provide 14.4V
    does any one have theory on common emitter amp specifically the theory behind them and formulas.



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    Re: Re: Amp for 15/18 RE XXX, ~500W RMS

    Originally posted by paikiah
    JL's amp IS 1ohm stable, and don't even have to worry about calculating ohms, cause it'll adjust itself..1000W at 4 ohms, to 1 ohm, don't matter....

    800~900 bucks for an amp???? wow, that's a lot of money to blow...

    Zapco C2 9.0's, or Orion HCCA 275, PPI stuff's always excellent too... or tarantula series, looks awesome...

    but if you're on a budget like me, and want 1300w RMS @ 2ohms/1ohm cheap, the JBL 1200.1 goes for an average of US$275 (etronics, ikesound, etc)... I'll be getting mine in less than a month...whoppie!~

    $275 is a nice price, but the reason I am willing to spend the extra moola on an amp is because I want it to last a lonnnngggg time And look really cool, too!

    That is really cool that the JL adjusts itself I may just have to pick it up!! That's really kick ***!! Plus, it would look really cool under some plexi with some blue neons Where is a good place to buy/get pricing on the JL amps???

    I'll probably be buying in about 3-4 months. The subs and amps are my college graduation present to myself




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    Originally posted by avistar23
    the regualtor is too keep constan voltage no matter what load i think.. until it reaches maxium amperage but in most caces the altenator its self maxes before the rectifier and regulator i think.


    EDIT: i think all alts should provide 14.4V
    does any one have theory on common emitter amp specifically the theory behind them and formulas.
    alts almost never provide 14.4v unless u pressing on gas peddle (even w/o a system). With a system probably slime to none chance the alt will ever run over 14v unless u get an upgraded H/O alt. And most american cars run at 13.8 v like paik said




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    my dads car is 14.3 in park no pedal.



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