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<blockquote data-quote="knukonceptz" data-source="post: 1851198" data-attributes="member: 548221">I see that statement all the time - but a Cap is a storage device - it does not consume power - it holds what is on hand. Having 1 or 2F will hardly be a strain on any cars charging system compared to the huge draw the amp&#039;s consume. A cap has a very low resistance. ESR of .001xx in most cases- which is less resistive then some folks grounds. So very little voltage is lost when it is charged/discharged, so how can something that does not consume and does not waste power be a strain?Every amplifier has some level of capacitance built in, this is to smooth out the spikes the power supply &quot;sees&quot; You will note they have many small caps in an amplifier due to the low ESR they offer, using many smaller caps is better then one large cap. Adding a single 1F cap close to an amp will help reduce additional spikes and could result in a more effcient (ie cooler running) and cleaner output from an amp.Caps are not the &quot;solve all&quot; device some make them to be, but they certainly are NOT straining a charging system. In fact your isolator theory will cause more strain then the two caps would.The Isolator is electronic, it takes power to operate (about 0.3v-0.5v from the ALT input) So now he has less voltage to both batteries. Adding a second battery by itself would be the best option over a cap or Isolator. Just be sure to fuse both sides of the power wire with your second battery.In my first post I thought you owned both caps aleady, use the money towards a good second battery instead</blockquote>

[QUOTE="knukonceptz, post: 1851198, member: 548221"] I see that statement all the time - but a Cap is a storage device - it does not consume power - it holds what is on hand. Having 1 or 2F will hardly be a strain on any cars charging system compared to the huge draw the amp's consume. A cap has a very low resistance. ESR of .001xx in most cases-[B] which is less resistive then some folks grounds[/B]. So very little voltage is lost when it is charged/discharged, so how can something that does not consume and does not waste power be a strain? Every amplifier has some level of capacitance built in, this is to smooth out the spikes the power supply "sees" You will note they have many small caps in an amplifier due to the low ESR they offer, using many smaller caps is better then one large cap. Adding a single 1F cap close to an amp will help reduce additional spikes and could result in a more effcient (ie cooler running) and cleaner output from an amp. Caps are not the "solve all" device some make them to be, but they certainly are NOT straining a charging system. In fact your isolator theory will cause more strain then the two caps would. The Isolator is electronic, it takes power to operate (about 0.3v-0.5v from the ALT input) So now he has less voltage to both batteries. Adding a second battery by itself would be the best option over a cap or Isolator. Just be sure to fuse both sides of the power wire with your second battery. In my first post I thought you owned both caps aleady, use the money towards a good second battery instead [/QUOTE]

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