need a cap?
11-20-2007, 07:22 PM
#11
50 Watt CAFz'r
Join Date: Feb 2007
Posts: 98
Why you don't need a capacitor - Realm of Excursion: Forum
there's the link. Enjoy the learning experience.
there's the link. Enjoy the learning experience.
so when my headlights are dimming a cap wont necessarily help that... when really if i went and bought a 200-300a alt, yellow top (1-2 depending) and big 3 i'll be good to go
11-20-2007, 10:05 PM
#12
alternator will keep everything topped up , but a cap will store energy and release it when it is called apon, but at the same time when your battery is driving your car and the heater is blowing the stress on the alt has to try and work double time charging your bat and your cap one after each other. This may happen not saying it will but your ALTERNATOR will say goodnite but then again your only running 1000 watts thats nothing dude !!
good luck
good luck
11-21-2007, 09:00 AM
#13
0 Watt CAFz'r
Join Date: Apr 2007
Posts: 38
^^ Basically what he said the cap does supply the power for the audio system when its needed..... but its only for a few milliseconds it is basically a non factor. it just makes your alternator work harder so your better off putting that
money towards the big three a bigger alt or a better battery
money towards the big three a bigger alt or a better battery
11-23-2007, 02:08 AM
#14
0 Watt CAFz'r
Join Date: Oct 2007
Posts: 43
I am pretty sure the whole reason behind a Cap is to sustain a constant power! Not to power your entire system! Variations in voltage will cause distortions, thus lowering your output and SNR levels. Basically you are using the cap as a power conditioner.
Not to mention the benefits of not having that surge of demand on the other very costly elecrical components of your vehicle. Lets face it cars now a days draw enough hydro to power a small country.
My opinion is if you have a Nice Car with a Nice audio sytem. Get it all. Alt/Batt/Cap for the price of a cap now a days what is it gunna hurt?
Not to mention the benefits of not having that surge of demand on the other very costly elecrical components of your vehicle. Lets face it cars now a days draw enough hydro to power a small country.
My opinion is if you have a Nice Car with a Nice audio sytem. Get it all. Alt/Batt/Cap for the price of a cap now a days what is it gunna hurt?
11-23-2007, 02:08 PM
#16
0 Watt CAFz'r
Join Date: Apr 2007
Posts: 38
I am pretty sure the whole reason behind a Cap is to sustain a constant power! Not to power your entire system! Variations in voltage will cause distortions, thus lowering your output and SNR levels. Basically you are using the cap as a power conditioner.
Not to mention the benefits of not having that surge of demand on the other very costly elecrical components of your vehicle. Lets face it cars now a days draw enough hydro to power a small country.
My opinion is if you have a Nice Car with a Nice audio sytem. Get it all. Alt/Batt/Cap for the price of a cap now a days what is it gunna hurt?
Not to mention the benefits of not having that surge of demand on the other very costly elecrical components of your vehicle. Lets face it cars now a days draw enough hydro to power a small country.
My opinion is if you have a Nice Car with a Nice audio sytem. Get it all. Alt/Batt/Cap for the price of a cap now a days what is it gunna hurt?
If you read that link I posted it will explain why.
11-23-2007, 06:52 PM
#17
50 Watt CAFz'r
Join Date: Nov 2004
Posts: 321
Don't buy a cap. Go buy a bigger alt, I bought a cap about 8 years ago, I still have it as a "decoration" on my shelf... just sits there reminding me of don't believe everything you read. If your amp needed that much capacitance don't you think the manufacture would have put them in?
Good old vegas vacation but this time instead of betting your buying a cap
Blackjack Dealer: Why don't you give me half the money you were going to use, then we'll go out back, I'll kick you in the nuts and we'll call it a day!
Edit: only GOOD thing about some select caps is the d@mn digital voltmeter.
Good old vegas vacation but this time instead of betting your buying a cap
Blackjack Dealer: Why don't you give me half the money you were going to use, then we'll go out back, I'll kick you in the nuts and we'll call it a day!
Edit: only GOOD thing about some select caps is the d@mn digital voltmeter.
Last edited by CanadianBronco; 11-23-2007 at 06:56 PM.
11-23-2007, 09:21 PM
#18
Straight up...it won't hurt your system, it may help in some very specific circumstances, but certainly not enough to buy one. Save the money, add to it and buy a better alternator, do your big 3, and make sure you have a good battery, and wiring! I've tried them, tested them on my own systems many times and they are really not worth the money.
11-23-2007, 09:47 PM
#19
Clearly some of you don't have a clue what you are talking about. For starters all those quotes by RC in the realmofexcursion thread were in regards to 'supercaps' around 15+ farads...
RC has made many other posts in many other threads about caps; and to make some of the comments I've read in this thread about caps in general based on that thread alone is idiotic.... lets not forget RC and DN were the first to introduce 12v caps into mobile audio... do you think they would have done so if they were useless to begin with ??
The bottom line as far as I am concearned is that any cap over 3-5F is probably useless because of ESR and ESL.... but the 1F cans have merit and will stabilize voltage.....
Its up to you to decide if they are worth the cost
RC has made many other posts in many other threads about caps; and to make some of the comments I've read in this thread about caps in general based on that thread alone is idiotic.... lets not forget RC and DN were the first to introduce 12v caps into mobile audio... do you think they would have done so if they were useless to begin with ??
The bottom line as far as I am concearned is that any cap over 3-5F is probably useless because of ESR and ESL.... but the 1F cans have merit and will stabilize voltage.....
Its up to you to decide if they are worth the cost
Last edited by Haunz; 11-23-2007 at 09:52 PM.
11-23-2007, 10:58 PM
#20
0 Watt CAFz'r
Join Date: Apr 2007
Posts: 38
Clearly some of you don't have a clue what you are talking about. For starters all those quotes by RC in the realmofexcursion thread were in regards to 'supercaps' around 15+ farads...
RC has made many other posts in many other threads about caps; and to make some of the comments I've read in this thread about caps in general based on that thread alone is idiotic.... lets not forget RC and DN were the first to introduce 12v caps into mobile audio... do you think they would have done so if they were useless to begin with ??
The bottom line as far as I am concearned is that any cap over 3-5F is probably useless because of ESR and ESL.... but the 1F cans have merit and will stabilize voltage.....
Its up to you to decide if they are worth the cost
RC has made many other posts in many other threads about caps; and to make some of the comments I've read in this thread about caps in general based on that thread alone is idiotic.... lets not forget RC and DN were the first to introduce 12v caps into mobile audio... do you think they would have done so if they were useless to begin with ??
The bottom line as far as I am concearned is that any cap over 3-5F is probably useless because of ESR and ESL.... but the 1F cans have merit and will stabilize voltage.....
Its up to you to decide if they are worth the cost
