what cap should i buy?
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=9378
Printed Date: August 16, 2025 at 7:46 AM
Topic: what cap should i buy?
Posted By: schnizzy04
Subject: what cap should i buy?
Date Posted: February 11, 2003 at 1:39 PM
I'm not sure what type of capacitor I should buy. I want a good one not a piece of junk that I will waste my money on. I have 2 12" subs that power 350 watts rms each. I also have a set of front and rear speakers that power 60 and 90 rms each. Hooked up to the speakers I have a 900 watt amp for the subs and a 400 watt amp for the speakers. I really would appreciate any advice on choosing a capacitor and how many farads I should get. Thanks alot. 
Replies:
Posted By: auex
Date Posted: February 11, 2003 at 3:33 PM
In my "opinion" a cap is a cap, and I would buy the cheapest major brand you have access to( i would take a pheonix gold over a mobile authority, personnaly, but a cap is a cap). As far as how many farads to get, the general rule is 1 farad to 1000 watts.
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Posted By: fakepete
Date Posted: February 11, 2003 at 4:20 PM
IMO, caps are a waste. They don't really help at all. The money for the cap could be spent elsewhere on the power system with much better results. If you do decide to get a cap, they're all pretty much the same except for the ESR rating(the lower the number the better). As for the size, I agree with the general rule auex stated above.
Posted By: Big Purds
Date Posted: February 12, 2003 at 4:07 PM
save your money and buy an alternator if you are having power issues...if you want to throw your money away on a cap, use your money more wisely and get a hooker, because they will do about the same amount of good for your car...dont forget the rubbers ;)
Posted By: Derrik
Date Posted: February 12, 2003 at 8:12 PM
NO CAP listen to Big Purds... dont want to get into the math but if you need proof..might want to hit the electronic book :)
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