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<blockquote data-quote="cotjones" data-source="post: 5353468" data-attributes="member: 573988">Now it&#039;s time for the rapeing...The after amplification wires are one thing, but before that....your amp itself has to draw the current required to produce the wattage at given volatge.You can find the amp draw of a 100% efficiency amplifier with the equationwatts/volts= ampsNow lets look at your system...your amps are right around 88% efficiency.To give 2200 watts they would draw right about 159amps.thus 2 of them would draw 318 ampsMeaning your fuse at the battery would need to be between 300 and 325 Amps to avoid an instant burn.However, your stock alt on that 99 silverado only gives 105 amps.Your truck probably takes AT LEAST 40% so that means that in order to get that 4400 watt total, you are magically pulling 260 amps out your ***.</blockquote>

[QUOTE="cotjones, post: 5353468, member: 573988"] Now it's time for the rapeing... The after amplification wires are one thing, but before that.... your amp itself has to draw the current required to produce the wattage at given volatge. You can find the amp draw of a 100% efficiency amplifier with the equation watts/volts= amps Now lets look at your system... your amps are right around 88% efficiency. To give 2200 watts they would draw right about 159amps. thus 2 of them would draw 318 amps Meaning your fuse at the battery would need to be between 300 and 325 Amps to avoid an instant burn. However, your stock alt on that 99 silverado only gives 105 amps. Your truck probably takes AT LEAST 40% so that means that in order to get that 4400 watt total, you are magically pulling 260 amps out your ***. [/QUOTE]

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