Capacitors....worth it?

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Msmith02

Member - Posts: 11

Joined: January 31, 2004

Location: United States

Posted: January 31, 2004 at 1:11 AM / IP Logged

Hey everyone,

Just found this site and just from reading a few of the threads looks like we got quite a few people here who know car audio. First a little info about my system that I have. I have a JL Audio 12w0 in a truck style wedge box (only thing that fits in my truck sadly .... bah) anyways I just picked up a Lightning Audio B300.2 amplifier to put on it. I am wondering if the amp itself will be enough, or should I go ahead and get a capacitor as well and throw that on there? How much do they help the sub? I personally like my sub to BUMP, and it wasn't doing a good enough job with my old amp (an MTX 120W RMS amp). I am thinking the new amp will be good, but I have heard that a capacitor could help. So my question is do you think a capacitor is worth the money and will it make that much of a difference ? Thanks!

Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: January 31, 2004 at 1:24 AM / IP Logged

Well the cap will not make the sub any louder, it will help with peaks in your music as far as your amp goes...I dont think you can go wrong by anymeans getting a cap...depending on how much power your pulling you might not really need it...how much bigger is your new amp?

thats my thoughts on a cap,

good luck

If we learn from each success and

each failure, then we can improve ourselves

Msmith02

Member - Posts: 11

Joined: January 31, 2004

Location: United States

Posted: January 31, 2004 at 1:26 AM / IP Logged

Old amp = 120W RMS bridged..... New Amp = 300W RMS bridged .... but I will also be running both amps now too...old amp is gonna go to the door speakers and the new one to the sub. So a capacitor basically helps when you need an extra boost to the system is that how it works?

eargasm

Member - Posts: 48

Joined: November 16, 2003

Location: Australia

Posted: January 31, 2004 at 1:34 AM / IP Logged

you wont need a cap.

if your total power was approaching 1000watts then definately but you wouldnt notice at this stage.

someone else will correct me if i'm wrong but i think the rule of thumb is 1farad capacitance for every 1000watts. most caps are 1farad or larger these days.

2001 Ford Fairmont

Alpine DVD, screen,

5.1surround processor,

5ch Class-T amp, TV tuner

and centre channel.

Focal 3way Utopia splits.

VDO navigation. Stinger cap.

Soundstream Exact subs.

Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: January 31, 2004 at 1:35 AM / IP Logged

Yes, that is how it works, it stores energy until it is need then it supplies the amp with the energy that is stored, then it recharges itself, something to that effect....

And a good rule to go by is a 1 farad cap for every 1000 watts and .5 for 500

If we learn from each success and

each failure, then we can improve ourselves

Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: January 31, 2004 at 1:39 AM / IP Logged

eargasm wrote:

you wont need a cap.

if your total power was approaching 1000watts then definately but you wouldnt notice at this stage.

someone else will correct me if i'm wrong but i think the rule of thumb is 1farad capacitance for every 1000watts. most caps are 1farad or larger these days.

he is correct,

If we learn from each success and

each failure, then we can improve ourselves

Msmith02

Member - Posts: 11

Joined: January 31, 2004

Location: United States

Posted: January 31, 2004 at 1:52 AM / IP Logged

alright sweet thanks guys....well I will have to see how the new amp sounds tomorrow and go from there I guess....I really wish I could get a bandpass box in my truck, but not enough room *cries* haha

Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: January 31, 2004 at 1:58 AM / IP Logged

Good Luck with everything

If we learn from each success and

each failure, then we can improve ourselves

Teamrf

Gold - Posts: 1,031

Joined: January 13, 2004

Location: United States

Posted: January 31, 2004 at 2:01 AM / IP Logged

Man...if your lights on your car are dimming..get a cap. If a cap doesn't help you need to upgrade your electrical system.

~The Rookie~

Rookie of the year that is...

Don't let the smoke out of your equiptment..it doesn't go back in.

customsuburb

Gold - Posts: 1,813

Joined: January 17, 2004

Location: United States

Posted: February 01, 2004 at 12:40 PM / IP Logged

Your JL sub only likes about 125 watts RMS. Feeding 300 would be feeding what it can handle peak. If you want more bump buy their W3v2 12 or something. I know the W3v2 12" likes 300 watts RMS so it might be somethin to consider.

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