Custom alternator for audio sound
To avoid the dreaded red light of despair in the suddenly silent night, you will need to upgrade your electrical charging system. High Output Alternators provide amperage that your stock alternator cannot produce. If the Big Three Wiring Upgrade failed to alleviate your electrical issues in your car or truck, then upgrading the alternator might be your next step toward a high performing car audio system. Did increasing the current flow through the system solve problems like headlight dimming or did it make them worse? This is because your amplifier is trying to draw more amperage than your stock electrical system can create. This means your headlight dimming could worsen after upgrading your electrical charging systems wiring.
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240 amp high output alternator Ford Crown Victoria
A high output alternator is a perfect upgrade for many late model vehicles. A stock alternators can generate only so many amps, and output depends on engine speed. Replacing the stock alternator with a high output alternator can provide the extra amps that many vehicles need, especially those with aftermarket high output radios and other electronics.
At idle, when the alternator is turning slowly, output is reduced and may not be able to keep up with the demands on the charging system. Consequently, the battery has to make up the difference. The reserve capacity of the battery is like a bank account. It stores amps so that the electrical system can withdraw amps when electrical loads exceed the charging system output.
Cranking the engine pulls amps out of the battery. So do high electrical loads when the engine is idling. The amps are put back into the battery when the vehicle is driven and the charging system is able to generate more amps than what are needed to keep things running. Trouble is, the vehicle may not be driven long enough to make up the difference. Short trips of 15 minutes or less - especially in stop-and-go traffic - may not be enough to keep the battery fully charged.
This may cause hard starting or a no-start condition if the battery does not have enough power to crank the engine - especially during cold weather. Chronic undercharging can also shorten battery life by allowing the battery plates to become sulfated. And low voltage can play havoc with onboard electronics, and the fuel injection and ignition systems.
In addition, high loads on the charging system are hard on the alternator and may cause premature alternator failure. Alternators run hot, and the higher the amp load on the charging system, the higher the internal operating temperature of the alternator. Stock alternators should be capable of handling normal amperage loads under normal operating conditions.
But vehicles that spend a lot of time idling, or are driven for only short distances or mostly at night may tax the alternator to its design limit. And when other aftermarket accessories are installed on a vehicle, such as a killer sound system or auxiliary lighting, it may create a higher load than the stock alternator can handle. Teenagers and twenty-somethings love loud music. The louder the beat, the better.
They wanna feel the music. Megawatt amplifiers and a trunk full of subwoofers can crank out more decibels than a jumbo jet during take-off.
They cannot get enough. In fact, there now are groups all across the country who are into decibel dBA drag racing and spending thousands of dollars on high-output sound systems and charging system upgrades to power the audio equipment. The basic objective of a dBA drag racing event is to see who can make the most noise.
Sound levels are measured with an SPL meter placed inside the vehicle. The SPL meter microphone converts sound waves into a voltage signal that is processed and displayed as a decibel reading. The sound levels that are being recorded at many of these events are often in excess of dBA, with some going almost as high as dBA! At this point, you might be thinking, "Wow, that could probably damage your hearing," and you would be right.
Noise levels above dBA for any period of time can cause permanent hearing damage. Prolonged exposure to noise levels above 90 dBA which is the OSHA limit for an 8-hour work shift for shop employees can even cause hearing loss. So, the justice here is that many of these people who annoy others with their loud boom boom music will probably go deaf as a result of their audio overindulgence.
As audio output goes up, so does the energy required to produce the sound waves. It takes about 16 amps of electrical power for every watts of audio output. If a vehicle is equipped with a watt amplifier, the stock alternator can therefore easily handle the 16 amps needed to power the sound system. But if it has a watt system, it will pull more than fives times as much juice from the charging system 80 amps when the driver cranks up the volume.
At that level, the load may exceed the amp rating of the stock alternator. If the vehicle has a 1,watt system, the charging system will have to produce amps to keep the decibels pumping - which is way more than any stock alternator can produce.
It takes power to make power, and for every 25 amps that an alternator produces, it saps about one horsepower from the engine to drive it. A stock amp alternator running at maximum output will need about four horsepower from the engine.
If the vehicle is equipped with two or even three high-output amp alternators, the charging system may need 18 to 24 horsepower at peak output. Another rule of thumb is that alternator output should equal about 25 percent of total battery capacity. A dBA racer with a amp-hour battery pack would need at least a amp alternator to keep his batteries charged. For continuous charging, the alternator output should be percent of maximum load.
Decibel drag racing is obviously an extreme example of the demands that can be placed on a charging system. The charging needs of the average motorist is far less than those for extreme audio events, but they may exceed the output of their stock alternators.
There are a growing number of everyday applications that can benefit from upgrading to a high output alternator. One such application would be trucks and SUVs that are used for off-roading and are equipped with mega candlepower off-road lighting.
Another would be vehicles equipped with snow plows. The current drawn by the auxiliary lights may be more than the stock alternator can safely handle. For these kinds of applications, replacing the stock alternator with a high-output alternator may keep the lights burning brightly and prevent premature alternator failures.
Another application for a high output alternator would be an emergency vehicle, such as a police car. Vehicles that are equipped with emergency lighting and communications equipment can place a high load on the charging system at idle when the special equipment is being used.
Under these conditions, the stock alternator may not hold up very well. Alternators in many police vehicles last only about a year. Upgrading to a high output alternator can help the alternator last longer while providing the extra amps that may be needed when electrical loads are high. When your alternator fails, what do you do? Replace it with a new or remanufactured unit? Hopefully, you install an alternator that has the same or higher amp rating as the original.
Higher is often better, especially when a vehicle has a high-wattage audio system, auxiliary lighting or other amp-hungry accessories. If it seems likely that high amp loads on the charging system caused the original alternator to fail, you should install a high output replacement alternator.
A high output alternator will cost more, but it should save you money in the long run by extending alternator and battery life. High output alternators are available from a number of suppliers. Some are brand new units, while others are remanufactured units that have been rewound to produce more amps. High-output alternators are typically rated at to amps. The better units can produce 70 to amps at idle, which is double the output of most stock alternators. Higher outputs are achieved by rewinding the stators and rotors, tightening up clearances and using an undersize pulley to spin the alternator faster.
This really helps at idle, and boosts the charging output throughout the rpm range. Most have heavy-duty diodes that can handle more current and heat, and better bearings to improve durability. Some also have special heat-resistant ceramic coatings and insulation on critical parts. Chrome-plated, anodized and brightly painted housings are also available for those who want to dress-up their engine compartment.
Some of these units are direct bolt-on replacements for the OEM alternator. Others require some modifications to install changing or relocating brackets and splicing wires. In either case, the wiring harness that handles the alternators output must be beefed up with heavier-gauge wiring. Some suppliers of high output alternators provide an upgraded wiring harness with their alternator, and will NOT honor any warranty claims unless the wiring harness is also installed with the high output alternator.
Most charging systems that are working properly should produce a charging voltage of around 14 volts at idle with the lights and accessories off. Always refer to the vehicle manufacturer specifications. Many Asian vehicles, for example, have higher charging voltages closer to 15 volts. When the engine is first started, the charging voltage should rise quickly to about two volts above base battery voltage, then taper off, leveling out at the specified voltage.
The exact charging voltage will vary according to the battery state of charge, the load on the electrical system and temperature. The lower the temperature the higher the charging voltage, and the higher the temperature the lower the charging voltage. Charging output can also be checked with an adjustable carbon pile voltmeter and ammeter. The carbon pile is attached to the battery and adjusted to obtain maximum output while the engine is running at 2, rpm. Charging amperage is another number that can reveal the condition of the alternator.
With the engine idling and no load on the charging system lights and all accessories off, and battery fully charged , the amperage output should be relatively low typically less than 10 amps.
With the headlights and heater blower fan on and the engine running at 2, rpm, the output should jump to a higher reading, typically 25 to 30 amps or more. Warning: Never disconnect a battery cable while the engine is running to "test" the alternator. Doing so can cause high voltage spikes that can damage the alternator as well as other electronics. Another way to check alternator output is with an oscilloscope. Observing the "ripple voltage" pattern will tell you at a glance whether or not all the alternator windings are functioning.
A "good" pattern should look like the top of a picket fence. If any of the humps are missing, it means one or more of the windings is grounded or open, or there is a bad diode. The voltage reading should be the same at both terminals. A difference of more than one volt would indicate faulty diodes and the need to replace the alternator. One alternator manufacturer does not recommend full fielding as a procedure for testing alternator output because full fielding may damage onboard electronics.
For extreme audio enthusiasts, watts is too wimpy to even consider. Some of the most competitive vehicles are loaded with racks of amplifiers that pump out tens of thousands of watts because that is what it takes to win a dBA drag racing event.
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Brand X Alternators
Your factory alternator may be enough, or it might not cut it. For a safety net, you decide on a A alternator. The amperage rating on an alternator is basically just the amount of current that the unit is capable of putting out, not the amount it always puts out. So if all of the electronics in your car, put together, only draw 60A, then your beastly A alternator will only produce 60A. The way that current works is that any given electrical component will only draw as much amperage as it needs to operate. Since amperage is a function of wattage divided by volts, it essentially works based on supply and demand — the alternator only supplies as much amperage as each component demands. The alternator generates enough amperage to meet the needs of the combined electrical system at any given time, and then each component draws its share. In order to determine how much amperage a component is going to draw, you can divide its wattage by the voltage of the system. Every electrical component in your car needs to draw some amount of amperage to function. The issue is that factory alternators typically run right up against the ragged edge in terms of factory component requirements, so installing any power-hungry aftermarket equipment can lead to a lack of enough power to go around.
2 methods High end car audio alternator not used This was $700 clearance discount price
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Car Audio - High Output Alternator or Battery?
Now a day who can imagine any car is running without an alternator! So, what makes this dependency? How is your car audio associated with an alternator? Previously this task was accomplished by a generator, but upon the invention of the silicon diode, an alternator is now the best choice. Let stop anymore introduction and dive to know elaborately about the best alternators for car audio.
High Output Alternator
This 6 phase alternator makes excellent output at idle, and features a standard diameter pulley for improved belt grip. It also has an extremely efficient finned rectifier assembly with 16 diodes for outstanding durability. This means that the alternator will have additional AMPERAGE capability to support increased electrical loads, but the starting voltage set point will still be dictated by the vehicle's engine computer. This limited two year warranty allows the customer to return his or her MechMan alternator for repair for a full two years after the alternator purchase date. This warranty does not cover other parts or equipment on the vehicle, and does not cover labor for removal or installation of the alternator. This warranty is VOID if the MechMan alternator is modified, physically abused, misused, improperly installed, or is not used in the application for which it was designed. The MechMan two year warranty is non-transferrable.
You save. Availability: Most alternators are custom built to order. Standard build time is weeks. If you need an alternator sooner than that, please contact a sales associate to see if any in-stock options are available.
A high output alternator is a perfect upgrade for many late model vehicles. A stock alternators can generate only so many amps, and output depends on engine speed. Replacing the stock alternator with a high output alternator can provide the extra amps that many vehicles need, especially those with aftermarket high output radios and other electronics. At idle, when the alternator is turning slowly, output is reduced and may not be able to keep up with the demands on the charging system. Consequently, the battery has to make up the difference.
Car audio requires a lot of power to run, and the more the power, the more the sound. The part of the car that is responsible for producing all energy is the alternator. The alternator charges the battery, which in turn runs all electrical systems. Often, the factory alternator that came with your car is enough to take care of your power needs, but it may not be big enough to accommodate the required power back-up in between bass notes. The best way around it is to keep the sound system at a level the alternator can accommodate. However, there are a couple of options to consider if you want a powerful sound to go along with a powerful system.
Education Details: Car audio alternator calculator. That is roughly how many amps you need plus. When the engine spins the alternator around, the alternator induces an ac voltage that is converted to dc and used to charge the car 's electrical system.
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