Amp in protect mode help!

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Old Jan 9, 2013 | 09:38 PM
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Amp in protect mode help!

my amp goes into protect mode everytime i turn my gain or volume up and if i go in my trunk it smells like acid... i have 2 alpine type x 12's powered by a hifonics 2500 watt class d monoblock with a shitty capacitor... what is my problem i hope the capacitor
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Old Jan 10, 2013 | 12:47 AM
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shorted wires
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Old Jan 10, 2013 | 06:09 AM
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^...how do you have the speakers wired? Is your amp 1ohm stable?
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Old Jan 10, 2013 | 10:15 AM
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i have it bridged down to 1 ohm and yes it is 1 ohm stable... would shorted wires make an acid smell
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Old Jan 10, 2013 | 11:08 AM
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i narrowed it down to 1 of my subwoofers is the problem the thing is its not like a burning smell coming out it smells like acid... i know what a burning smell is i fried some p3 fosgates and they smoked lol
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Old Jan 10, 2013 | 11:36 AM
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take a pic of the smell.
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Old Apr 11, 2014 | 09:24 AM
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id put my money on the capacitor those things are a waste
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Old Apr 11, 2014 | 09:26 AM
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you're replying to a thread thats a year old....
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Old Apr 11, 2014 | 09:35 AM
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Originally Posted by justnspace
you're replying to a thread thats a year old....

who cares oh wait you do since your saying something about it get over it
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Old Apr 11, 2014 | 09:39 AM
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Old Apr 11, 2014 | 09:42 AM
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1) Capacitors are not a waste. The principle of bulk caps and decoupling caps applies to ALL of the electronics that you use. So if you think caps are a waste, might as well protest them by never using anything with a circuit board ever again. They work and there is a very good reason to use them on certain designs, especially mobile audio.

2) Replying to some really old thread is like showing up to a party after everybody left. You're just talking to yourself. Then some random guys show up and make fun of you for being so late.
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Old Apr 11, 2014 | 09:45 AM
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Originally Posted by the_tl_man09
who cares oh wait you do since your saying something about it get over it
the OP you answered isnt coming back. or has resolved his problems

so, why talk to him if he's not coming back?
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Old Apr 11, 2014 | 10:08 AM
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Originally Posted by Vlad_Type_S
1) Capacitors are not a waste. The principle of bulk caps and decoupling caps applies to ALL of the electronics that you use. So if you think caps are a waste, might as well protest them by never using anything with a circuit board ever again. They work and there is a very good reason to use them on certain designs, especially mobile audio.

2) Replying to some really old thread is like showing up to a party after everybody left. You're just talking to yourself. Then some random guys show up and make fun of you for being so late.
Ok let me restate what i mean. yes caps in circuits of course are beneficial you need them. But to throw an oversized capacitor in your trunk hoping it will boost your audio system is a waste. He better off going with a big three upgrade and gettin a higher amperage altenator. if your electrical system can't make the power a 1 farad 2 farad or however many farad cap wont do nothing but put more demand on the altenator. its one more thing it has to charge.
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Old Apr 11, 2014 | 10:14 AM
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You're completely wrong in the way you're thinking about it. They work. I won't waste my time explaining why. Read this:

http://www.physicsforums.com/showthread.php?t=595808
http://www.edaboard.com/thread20079.html

Same principle.
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Old Apr 11, 2014 | 10:15 AM
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Originally Posted by justnspace
the OP you answered isnt coming back. or has resolved his problems

so, why talk to him if he's not coming back?
true im new to acurazine. excuse my lack of knowledge on here
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Old Apr 11, 2014 | 10:20 AM
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Originally Posted by Vlad_Type_S
You're completely wrong in the way you're thinking about it. They work. I won't waste my time explaining why. Read this:

http://www.physicsforums.com/showthread.php?t=595808
i dont care what that thing says. i had a cap put in my car long ago. a fosgate cap. it didnt do anything. it holds a charge for a quick burst of energy if im playing some lil jon with constant bass that cap will drain and the energy is gone now its up to the battery and altenator to provide the power. big three alone solved my electrical issues with no cap. but if you think it works all power to ya but big three solved my problems. idk what amps you run but for 2100 watts cap just didnt help but like i said if it works for u all power to just didnt help me
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Old Apr 11, 2014 | 10:27 AM
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for this cap debate
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Old Apr 11, 2014 | 10:42 AM
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^ riiiiiight ahahahahahaha :P My buddy had a cap in his car and that sucker blew up. all i could say is i told you so lmao
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Old Apr 11, 2014 | 10:49 AM
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^sounds like you guise are doing something wrong....
maybe you should stick to non-electrical modding.
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Old Apr 11, 2014 | 10:49 AM
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Originally Posted by the_tl_man09
i dont care what that thing says. i had a cap put in my car long ago. a fosgate cap. it didnt do anything. it holds a charge for a quick burst of energy if im playing some lil jon with constant bass that cap will drain and the energy is gone now its up to the battery and altenator to provide the power. big three alone solved my electrical issues with no cap. but if you think it works all power to ya but big three solved my problems. idk what amps you run but for 2100 watts cap just didnt help but like i said if it works for u all power to just didnt help me
Alright bruh, it's like this.

The big 3 upgrade prevents unnecessary power consumption by wire runs whose resistance produces a significant voltage drop at large current levels. When you're running 2000W+, you definitely need this.

The purpose of the cap is to assist in voltage regulation. A large sudden current draw causes a sudden voltage drop over cable runs because the car's voltage regulator can't compensate for the voltage drop in time, and thus quick, high power draws cause voltage fluctuations. Capacitors fight voltage changes, and so when this sudden high load is applied, the capacitor will temporarily provide energy to the circuit until the regulator keeps up again: it doesn't fully charge/fully discharge every time your bass hits. The purpose is voltage regulation so that the 12V nets ALL over your car remain stable.

Both of these things serve a purpose. Big 3 is for efficiency, cap is for voltage regulation.
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Old Apr 11, 2014 | 10:52 AM
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Originally Posted by the_tl_man09
^ riiiiiight ahahahahahaha :P My buddy had a cap in his car and that sucker blew up. all i could say is i told you so lmao
If you connect an electrolytic capacitor with reverse polarity, it blows up. Not the capacitors fault. The polarity is clearly indicated on the part.

http://en.wikipedia.org/wiki/Electrolytic_capacitor
educate yourself son


Most electrolytic capacitors are polarized and require one of the electrodes to be positive relative to the other; they may catastrophically fail if voltage is reversed. This is because a reverse-bias voltage above 1 to 1.5 V[4][5][6] will destroy the center layer of dielectric material via electrochemical reduction (see redox reactions). Following the loss of the dielectric material, the capacitor will short circuit, and with sufficient short circuit current, the electrolyte will rapidly heat up and either leak or cause the capacitor to burst, often in a spectacularly dramatic fashion.
Damn, yo! Dat cap done blown up cuz! Yo we can't be usin dem muhfuqas in deez systems no mo' dat shii ain't NO good!"

Last edited by Vlad_Type_S; Apr 11, 2014 at 10:56 AM.
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Old Apr 11, 2014 | 10:53 AM
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Originally Posted by justnspace
^sounds like you guise are doing something wrong....
maybe you should stick to non-electrical modding.
i didnt install it he had it installed and some stereo shop lol. i dont mess with caps no more when i did have one i had it put in at electronic express cuz at the time i was a def noob at it. ive heard about so many horror stories with caps. alot of my buddies do the competition stuff and they dont run caps at all they just have 6 batteries and like 3 altenators. doin to much
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