Capacitor not enough?
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=36801
Printed Date: May 14, 2024 at 4:24 PM
Topic: Capacitor not enough?
Posted By: noakes75
Subject: Capacitor not enough?
Date Posted: August 04, 2004 at 8:44 PM
i just got done hooking up 1/2 my system in my thunderbird and ran into some problems. the head lights where dimming quite bad along with my interior lights. also my engine would actually lose RPMS when the bass would hit. not only that but the music would go in and out when turned up. so i did what i thought was good, and went out and bought a 2 farad capacitor and hooked it up, problem presisted, but got better. so once again i thought id do the right thing. went to advance auto and bought a yellow top. hooked it up, problem was still there, once again better. i dont know what to do now. im kinda lost. i thought maybe it could be my CD played, its a rather cheap one, until i send in my blaupunket sanfransico CD 72 for repairs. my system is 2 kicker CRV 15s, a 3000 watt power acousic amp, with 4 gauge goin back. any help would be nice, cuz this is gettin ridculous. thanks
Replies:
Posted By: Ravendarat
Date Posted: August 04, 2004 at 9:21 PM
You need a bigger altenator, that simple. Get a bigger altenator and your problems will be fixed, its your only practical solution.
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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer
Posted By: noakes75
Date Posted: August 04, 2004 at 10:44 PM
fare enough, i think my factory one is 80 amp, what would be a good growth?
Posted By: Alpine Guy
Date Posted: August 04, 2004 at 10:53 PM
120 amps plus is the minimum
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2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.
Posted By: noakes75
Date Posted: August 04, 2004 at 10:54 PM
where do i go to get one of these? and will this fry all my facorty realys or anything?
Posted By: noakes75
Date Posted: August 04, 2004 at 11:00 PM
was i even on the right track with the cap and the batterie, or was it a waste of money?
Posted By: Ravendarat
Date Posted: August 05, 2004 at 12:07 AM
You were on the right track but should have started with the altenator not finished with it. As far as where to get one, there are a number of online stores or just a local parts store can probally get one for you as well. You will just have to check around. As far as how big, If your factory is 80 amps and you have your power acoustic amp, check the fuse rating on the amp. If it has 80 amps worth of fuses in it than I would probally be looking at 140-160 amp altenator. The factory generally dont leave much room for upgrades on their charging system but in the same breath and amp that has a max draw of 80 amps isnt gonn be drawing 80 amps under normal play, probally more like 60 amps, which is why I said around the 140-160 mark. Also if you go with like 160 it leaves you a little room to upgrade. With that said, if you cant find anything bigger than say 120, dont sweat it because with the Yellow Top and the cap that is gonna help out your charging system anyways.
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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer
Posted By: xtreamcc
Date Posted: August 05, 2004 at 12:13 AM
wow, 80 ampers and u were pushing 3000 watts? How the hell does your car start? I'm with Raven on this, you need something around 140 ampers to be pushing the true potential of your system. I'd also recomend upgrading that wiring of yours to 1/0 AWG, other wise your gona be choking off the power to the amp on long bass notes which will cause distortion.
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"Shiny chrome when used in conjunction with bikini models is particularly effective in inducing brain deficit disorder"
02 Jeep Grand Cherokee
Monster System on its way.
Posted By: stratusfear69
Date Posted: August 05, 2004 at 12:29 AM
i doubt it makes 3000W. If so, 4 gauge is not enough and u're straining it. the amp alone would need 200A fuse, does it? noakes75 wrote:
a 3000 watt power acousic amp,
Posted By: Ravendarat
Date Posted: August 05, 2004 at 12:46 AM
I wasnt to concerened about that being a legit rating, hence why I didnt bother tellig him to upgrade his wire. Im betting on that amp drawing around 80 amps, and if Im right than 4 gauge is suffiecent.
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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer
Posted By: robbyrob717
Date Posted: August 05, 2004 at 12:48 AM
a 140+ alternator, 2farad cap, and a yellow top battery. man your system is gonna be soo nice and never struggle for power (but then again we can always find a way for it too). you're going to have some nice bass. they sell the high power alternators on jcwhitney.com and probably your local advanced auto or pep boys depending on which one and how big it is. but def. at jcwhitney
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94 Pontiac Sunbird 3.1 V6
alpine deck
audiobahn 3.5 fronts w/ tweeters
audiobahn 6.5 rears w/ tweeters
* sold rest of system to save up towards new car. $3000 spent on it.
Posted By: SOUND PRESSURE
Date Posted: August 05, 2004 at 12:51 AM
Get a bigger alternator as raven suggested.
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Sound Pressure
You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!
Posted By: noakes75
Date Posted: August 05, 2004 at 12:45 PM
alright thanks alot. but what happeneds when i put the other 2 15s in my car and another 3000 P.A. amp, and the 4 channel. i realize id need 1/0 awg wire, but what about charging system again. its goin to become anotehr problem. then what can be done?
Posted By: forbidden
Date Posted: August 05, 2004 at 12:59 PM
If you have plans for a bigger system, get a bigger hammer. In the form of the largest alternator that you can.
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Top Secret, I can tell you but then my wife will kill me.
Posted By: 94legend
Date Posted: August 05, 2004 at 1:09 PM
Posted By: noakes75
Date Posted: August 05, 2004 at 2:12 PM
ive found that napa is the only one around my area that makes a higher out-put. its 225 amp. would that be enough? the thing runs just over 600.00 but my friend works there so i get it for 300.00 is this a good deal? or am i gettin hosed?
Posted By: 94legend
Date Posted: August 05, 2004 at 2:17 PM
Good deal OGL PRO!!!!
Posted By: noakes75
Date Posted: August 05, 2004 at 2:20 PM
would that be enough for my future ideas or what? cuz id kinda like to get the best right off the bat.
Posted By: 94legend
Date Posted: August 05, 2004 at 2:24 PM
Well if that is the largest alt you can find in your area. Then so be it. Search the web for larger ones for your car if there is.
I know a guy you can contact if you would like to know more about heavy duty systems. Such as competition and audio works.
check out his work at ww.hzemall.com and email him. his name is Tim Ballie.
Posted By: noakes75
Date Posted: August 05, 2004 at 8:13 PM
ok, this may be a dumb question. so if it is, be easy. but i was talkin to a few ppl and one of them suggested going and getting like a bus altinator or something of that size out a junk yard. is this completly ludicris or not? im not 100% sure if it would work of not. i know you'd have to make some type of brakets for it. but i was just wondering.
Posted By: Herald
Date Posted: August 05, 2004 at 8:39 PM
also remember to upgrade the alt wire
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Posted By: sandsport250
Date Posted: August 12, 2004 at 12:45 AM
kinda goofy question, but i want to know how far you can uprage your alternator from stock before you have to worry about "hurting" the system. like, would 140 amps be to much, or is there too much.
Posted By: noakes75
Date Posted: August 12, 2004 at 9:30 PM
i was wrong about my car. its 130 amp from the factory, will the 225 that my buddy get me be enough? or is there something more that can be done?
Posted By: zane9000
Date Posted: August 12, 2004 at 10:44 PM
Add up the total rms watts of everything your gunna put in (plus about 60 watts for what your car is meant to be running) then divide by 12. That will give you a rough idea about how many amps your system will take. Plan on getting an alt that is a little bigger so you have room to grow if you want. Warren ------------- I had Cheetos and wine for dinenr.
Posted By: stevdart
Date Posted: August 12, 2004 at 10:51 PM
300 bucks for a 225 amp alt sounds like a good deal. You shouldn't have any problems with power after putting that in. If you do, you can probably trace the problem to a bad connection or wiring that hasn't been upgraded.
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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
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