What would I need?

[fearthepand 10+ year member]

OK i'm just starting to get into car audio and I was wondering if I hooked up A 500w amp up would my altenator be fine or would i need a capacitor? This is my first time with most of this stuff so I thought I would get some input from some of you guys.

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[AndyB 10+ year member]

I think you wold be fine, depending on your alternator and car.

 

[negativezeroz 5,000+ posts]

what amp is it ?

 

[Expy2000]

I am running my Nine.1 and Nine.4 all the time FEAR at high volumes..

1200@1 ohm and 150@ 4 ohm.. no dimming.. on my 135 amp alt..

So you should be **** fine.. give your specs..

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[fearthepand 10+ year member]

The amp is a Legacy im not sure the model type. The car is a 96 monte carlo

 

[AndyB 10+ year member]

youll be alright. To make sure, hook it up, then let us know if there is any dimming.

 

[negativezeroz 5,000+ posts]

lol...dont even worry about it...u'll be fine...

 

[Decipha 10+ year member]

sell the amp for the first offer, remember never buy legacy, caps are usless

get it got it good

 

[jsloan10 10+ year member]

Stock electrical systems can usually handle up to 500watts RMS without any upgrades.

You said you have a Legacy amp, what is the actual RMS rating in its manual?. Legacy plasters made up peak power rating on the front of their amps, the actual RMS output is much lower, check your manual for the actual RMS rating.

You don't need to replace the amp, it will work fine, you just need to uderstand the true capabilitys of the amp in order to use it properly.

 

[fearthepand 10+ year member]

alright thanks alot guys

 

[fearthepand 10+ year member]

the manual off the internet says that it is 110w RMS. I got this amp from a friend and he lost the manual so I have to believe the internet one

 

[fearthepand 10+ year member]

jsloan10 could you give me any more advise as how to use the amp properly?

 

[Decipha 10+ year member]

You said you have a Legacy amp, what is the actual RMS rating in its manual

I have developed a formula to find out the rms wattage of a legacy amp.

(RATED WATTS / 5) / CHANNELS = RMS WATTAGE (at a 2 ohm load) if the amp is capable of a 2 ohm load, some legacy's aren't, but most are.

plug it in

(400 / 5) / 4 = 20 watts rms per channel at a 2 ohm load, probably 10 watts at 4 ohms. I'm being completely honest. A friend of mine had a 400 watt legacy amp that was only pushing 6.72 volts AC when i tried to adjust the gains, and that was at full blast !

 

[theCybe 5,000+ posts]

gross //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Decipha 10+ year member]

My Legacy 2000 Blue Diamond (Legacy's Top End) only pushes 25.8 volts AC when i measured it with a 45 hertz 0 db tone with the gains at full blast. I think thats only 166 watts if i remember correctly but thats pretty shiity for bein rated at 2000 watts.