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General Car Audio
Capacitors, their NOT what some people claim..
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<blockquote data-quote="gstokes" data-source="post: 8283065" data-attributes="member: 660947"><p>Here's more proof that a stiffening capacitor is WORTHLESS aka Waste of Money and does not provide an endless source of backup voltage, the capacitor discharges when line voltage falls below threshold but that boost the cap gives the amplifier lasts milliseconds and then the capacitor has to charge again and it's charging through a resistor so it may take seconds for the cap to recharge, the moral of the story is "stiffening capacitors are snake oil" and for the most part are totally worthless and if you think a bunch of tiny 1pF capacitors will discharge and recharge faster than a 1F cap and provide some kind of benefit then you're still wrong, as i said earlier a capacitor will provide milliseconds of line voltage but then it's spent and has to recharge, because of the internal resistance it can't possibly recharge as fast as it discharges so <strong>the capacitor wallows in a continuous loop of diminishing returns</strong>, if you had 10 quick drum hits that caused line voltage to drop below threshold the capacitor will fill the void OF THE 1st DRUM HIT, the next 8 are on their own and the cap might be recharged in time for number 10.</p><p></p><p>Here's the really ugly stuff: After the capacitor discharges it has to recharge and recharging the capacitor requires current flow, the current that is recharging the capacitor is needed at the amplifier but now not only is the cap discharged and not able to fill a void in line voltage but some of the available current that the amplifier would love to have at it's disposal is being used by the capacitor so it can recharge and provide another milliseconds of line voltage, classic case of double jeopardy.</p><p></p><p>I have not only proven that a capacitor cannot provide any kind of benefit but also proved that it can actually do more harm than good.</p><p></p><p>Installing a stiffening capacitor and thinking it provides some kind of benefit is akin to swallowing a placebo and thinking it will make you live longer, not going to happen, whether it's a thousand 1uF capacitors or 1 big electrolytic it don't matter, it's not going to happen for this one simple reason.</p><p></p><p>The capacitor cannot recharge as fast or faster than it discharges..</p><p></p><p>Scroll down to: Capacitor and DC Voltage, <a href="http://www.bcae1.com/capacitr.htm" target="_blank">Capacitor</a></p><p></p><p>~Myth Busted~</p></blockquote><p></p>
[QUOTE="gstokes, post: 8283065, member: 660947"] Here's more proof that a stiffening capacitor is WORTHLESS aka Waste of Money and does not provide an endless source of backup voltage, the capacitor discharges when line voltage falls below threshold but that boost the cap gives the amplifier lasts milliseconds and then the capacitor has to charge again and it's charging through a resistor so it may take seconds for the cap to recharge, the moral of the story is "stiffening capacitors are snake oil" and for the most part are totally worthless and if you think a bunch of tiny 1pF capacitors will discharge and recharge faster than a 1F cap and provide some kind of benefit then you're still wrong, as i said earlier a capacitor will provide milliseconds of line voltage but then it's spent and has to recharge, because of the internal resistance it can't possibly recharge as fast as it discharges so [B]the capacitor wallows in a continuous loop of diminishing returns[/B], if you had 10 quick drum hits that caused line voltage to drop below threshold the capacitor will fill the void OF THE 1st DRUM HIT, the next 8 are on their own and the cap might be recharged in time for number 10. Here's the really ugly stuff: After the capacitor discharges it has to recharge and recharging the capacitor requires current flow, the current that is recharging the capacitor is needed at the amplifier but now not only is the cap discharged and not able to fill a void in line voltage but some of the available current that the amplifier would love to have at it's disposal is being used by the capacitor so it can recharge and provide another milliseconds of line voltage, classic case of double jeopardy. I have not only proven that a capacitor cannot provide any kind of benefit but also proved that it can actually do more harm than good. Installing a stiffening capacitor and thinking it provides some kind of benefit is akin to swallowing a placebo and thinking it will make you live longer, not going to happen, whether it's a thousand 1uF capacitors or 1 big electrolytic it don't matter, it's not going to happen for this one simple reason. The capacitor cannot recharge as fast or faster than it discharges.. Scroll down to: Capacitor and DC Voltage, [URL="http://www.bcae1.com/capacitr.htm"]Capacitor[/URL] ~Myth Busted~ [/QUOTE]
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