What Size Alternator Do I Need For Car Audio

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What is a good alternator for car audio?

A 250 or 300 ampere aftermarket high output alternator should provide enough power for all your car's systems and your high-powered stereo too. via

How big of an alternator do I need for a 2000 watt amp?

To figure out how much capacity or amperage the alternator must deliver, determine how much extra power the audio system demands on top of the current system. For example, if you installed a 2,000-watt amp, assuming a nominal voltage of 13.5V, you'd add roughly 150 amps of demand to the electrical system. via

How big an alternator do I need?

Your alternator should be capable of delivering rated output equal to the maximum acceptance rate of your house battery bank. In other words, the alternator's rating should be equal to 25 percent (lead acid) 30 percent (gel) or 45 percent (AGM) of your total battery capacity. via

Is a bigger amp alternator better?

Amperage is basically the amount of electrical current your alternator can supply. That is, your alternator will only supply the amount of amperage a particular component demands—and no more. So high-output alternators will not harm your components or charging system, no matter how high you go with the amps. via

How big of an alternator do I need for 3000 watts?

3000 watt / 12V is equal to 250A. A 250A alternator is needed to keep up with it. Since your engine would have to work just as hard as any portable 3KW generator to keep up with the amplifier, you would need a large fuel tank. via

Can a sound system ruin an alternator?

it smothes out voltage spikes, making it easyer on your battery and alternator. you when the sub draws it will drian your cap first then go off your battery. via

How many watts can a 120 amp alternator handle?

thats an average between output surges. Thats just sort of a relative rule of thumb. The other sorta relative rule of thumb is that 10 amps can translate to somewhere in the neighborhood of 100 watts... so a 120 amp alternator could do 1200 watts. via

What is the best high output alternator brand?

  • Editor's Pick: Powermaster Alternators. If you're thinking about adding any electrical accessories to your vehicle, you are going to want to consider upgrading your alternator from stock to a high-amp unit.
  • Rare Electrical Alternators.
  • Eagle Alternators.
  • A-Team Performance Alternators.
  • DB Electrical Alternators.
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    How many amps does a 2000 watt car amp draw?

    For example, a 2000W RMS amplifier will potentially draw up to 240 amps of current depending on the design and efficiency of the amplifier. via

    Can an alternator be too powerful?

    No, you will not overcharge a battery with a higher amperage alternator. The battery provides a variable load to the alternator. Let's say the battery is at 11.4 volts and nominal is around 12.5. When you start the motor, the alternator will provide the max amperage to your battery for it to reach say 85% capacity. via

    How do I know what amp alternator I need?

    Look for a diagram under or near your fuse box cover. It will have individual amperage numbers (sometimes along with volts) already set by the manufacturer. Add up those numbers to find what amperage your alternator needs to feed the car's electrical system. Verify this number with the part manufacturer, if necessary. via

    How many amps does a alternator put out at idle?

    Most late model alternators produce 120 to 155 amps or more. Current output increases with engine speed, from around 20 to 50 amps at idle up to the unit's maximum output at 2,500 RPM or higher (refer to a service manual for the exact charging output specifications for your vehicle). via

    Is a 160 amp alternator good?

    The high amp alternator will give you more replacement juice if you are running any high amp load appliances. The 160 amp is known to be used on emergency vehicles that are at a standstill and still running lots of 12v power thru said appliances. via

    What happens if you put a higher amp alternator on my car?

    A higher amperage alternator will not pose any problems to the vehicle's electrical system. Amperage will flow to only those components that can use the energy and supply as much amperage as the component can consume. via

    Does it hurt to put a higher amp alternator on my car?

    The good news is that replacing a factory alternator with a high output alternator, in and of itself, isn't going to damage the rest of the electronics in your car, even if the new alternator is much, much bigger than the old one. via

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