What is the guideline when looking for a audio capacitor for a car system?

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How big of a subwoofer should i put in a ford ranger regualr cab?and how many?

The lower the ESR (.0016 or less) the better. Go with 16 volt, not 24 volt.

Will an American car stereo work in Europe?

It's 0.5 Farad for every 500 watts of power.

How do i hook up 2 amps in my car i already have the sub amp hooked up but i want to add a highs amp?

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2 700 watt rms dvc square subs with a 2400 watt 2ch amp is this ok?

While the article that Javin M provides held true at one time, there are a few things that time has altered. This article was written some time ago and changes have occurred in the manufacturing of capacitors. In the article an ESR of .017 was given, the problem is that caps made today have an ESR of 0.0016 or less which is a far cry from the days of old.

I have a question about my car stereo system.?

What does this mean? It means the calculations and information now change quite substantially and can no longer be held as true.

I have a 600watt amp and a kicker 12"L7 rms 750watts do i need a capacitor? If yes then how many farads?

That series from Richard Clark was written specifically about a type of very large farad capacitor with ESR ratings that made them useless, and it was never meant to apply to all capacitors. You're using it out of context if you're trying to make it support your "why caps don't work" argument. The fact is that Richard Clark was one of the very first people to start using capacitors in competition car audio systems, so I doubt that he'd agree with your arguments here.

Can someone tellme how to put songs for a car sterio in a sd card?

Purchase the book of Richard Clark and David Navone's A2TB Tech Briefs if you want to know what they really think of capacitors: http://www.autosound2000.com . If you're interested in learning more about car audio, this book should be in your library.

Need help determining if an amp will work in my car.?

A cap is only good so far as the audio system isn't trying to pull too much from the electrical system.

Why won't the CD player in my car work?

I know a cap can be beneficial as I'm running one and I measured a definite change in my electrical systems response curve to big bass hits with an oscilloscope, however, this won't be the case for ALL vehicles.

Kenwooddvdcodebreaker?

Approx. 1 farad per 1000watts.
My advice is to not buy the cap and invest in some big wire for:
The Big3 Upgrade.
Do the Big3 Upgrade (power -charge- wire from alt. straight to batt., ground wire from batt. straight to vehicle frame, and ground from frame to engine block) all in 4g or bigger wire.

Is a stock radio compatible with new speakers or a sub?

This will solve problems that caps are sold for (but in fact don not do).

What do I Want?

Why caps don't work.
http://forum.realmofexcursion.com/showth...

What do i do if i hear the noise of the car coming from my radio like and when i pres a botton on the radio t?

Good Luck!

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