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How to wire a capacitor to amplifier - Rockford Fosgate Car Audio & Video

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Aftermarket Car Stereo Installation Help
That has guides to what you're asking as well as a few others you might find interesting.

Posted on Feb 08, 2012

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I have Boss ar2400 4 channel amplifire.. I had connect two 15" kicker subs in bridge circuit. When i run the system it gets overheat in half an hour and goes into the protection mode. How can i solve this...


Problem is one of four things:
  • Impedance (ohm resistance) of the speakers you are using is below the amplifier's rating for operating in bridge mode;
  • You are driving the speakers at a volume exceeding the maximum power output of the amplifier;
  • The gauge of the wires you are using to connect the amplifier to the speakers is too small;
  • The gauge of the power supply wires is too small, and/or you are not using a large enough reserve capacitor at the power input
Possible solutions:
  1. If your Kicker subs are rated at 4 Ohms, and you are using them in monoblock configuration with the speakers wired in parallel (all + terminals to the + bridge output and all - terminals to the - bridge output), try either configuring your bridge circuit in a paired bridge, where a pair of amplifier outputs are bridged, each bridged pair driving a single speaker; or if your Kicker subs are rated at 2 Ohms, use a monoblock bridge driving the speakers in series (+ bridge output to + of one speaker, - of that speaker connected to the + of the other speaker, and = of that speaker connected to - of the bridge output);
  2. Turn the amplifier output down (but this is likely NOT the issue)
  3. Use speaker wire that is no smaller than 8 gauge for your application. 4 or 2 gauge wire would be slightly better but not worth the additional expense;
  4. Your power supply wire should be equal in size or larger than your speaker connector wire. Use no smaller than 8 gauge for your application. Also, use a capacitor no smaller than 2 Farads wired across the power supply input to the amplifier to compensate for pulse surges and car power dips. For your application a large capacitor will work better than an auxiliary battery or gel cell.

May 26, 2014 | Car Audio & Video

2 Answers

Loud hum in one channel and sound is weak


The audio amplifier has its input partially shorted, because either the filtering capacitors are gone and will have to be replaced or the signal wire is not firmly plugged in. Open the tv, follow the wires from the speakers to the amplifier and there check the capacitors and the connections, including the solderings - use a magnifying glass.

Oct 04, 2011 | RCA Scenium HD65W20 65" Rear Projection...

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I just bought a punch 500 a2 amp. i hook up my ground, then try to hook up the power cable and it sparks. my punch 250 was hooked up minutes prior to this so i know my wiring is good. what the heck is the...


The spark could be from the capacitors in the amplifier charging. Make sure the main fuse from your battery is still good and also check all the fuses on the amplifier. Verify all the wiring is correct and make sure none of the wires from inside the positive cable are poking out and touching the vehicle or amplifier chassis. If you have a 1k ohm resistor, you can put it in series with the amplifier power line to slowly charge the capacitors. You can do that by following the directions from the link below. After doing all that, remove the 1k resistor, hook it all up and try it again. If it still doesn't work, make sure your remote wire coming from the head unit has a voltage on it when the head unit is on. You can get a cheap volt meter from a hardware store or wal-mart.

http://www.ehow.com/how_7203337_charge-capacitor-car-stereo-system.html

May 21, 2011 | Rockford Fosgate Punch 500a2 Car Audio...

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How do i wire a 500k micro farad compacitor ot my exsiting amp? need a wire diagram or detailed instructions thanks


The capacitor has two terminals. One is + and one is - . Your Amplifier has three terminals on the power connector. One is connected by a Black wire connected to the body or - of the battery, the second is a Blue wire connected to the remote wire of the Head unit ( for remote ON/OFF of the Power Amp ). The third is the Red wire connected to the + terminal of battery through a big Fuse .
Connect the Capacitor + to the terminal with the Red wire and Connect the Capacitor - to the terminal with the Black wire. Make sure you use heavy cables to do the connection and try to keep the length of the interconnecting cables as short as possible ( to minimize losses ). In other words try to connect the Capacitor as close as possible to the Power Amplifier for maximum efficiencybobhifi_26.jpg.moz-screenshot.pngmoz-screenshot-1.png

Mar 31, 2011 | Car Audio & Video

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I've wired my system through my capacitor then to my amplifier. When I turn on my vehicle the capacitor drains and my amp. goes into protection mode. I believe it's wired correctly but I don't understand...


How did you connect the capacitor? it must be in paralel with the amp..you can also try to mesure in the amp and capacitor, the tension in the positiv and negative connection, it must be 14,4vdc when the car is working..if not, check the batery, fuse and ground connection until you get 14,4vdc. hope this help.

Oct 02, 2010 | Kenwood Car Audio & Video

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I hooked up 2 capacitors into my amp and every time I put power to it the amp shuts off and 10 seconds later a red light comes on for 5 seconds and the amp don't turn on, basically it goes into protect...


Well, I have no idea why you would have two capacitors on a 500 watt amp but, did you charge the capacitors? Have you tried the amp without the capacitors? What size power wire are you using?

Sep 20, 2010 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

How do you hook your compacitor to your amp


take your main power/ground leads,put them on the capacitors terminals,then take how ever many feet of wire needed to go to your amp,put the ground on ground and power on power.

Jul 10, 2010 | Scosche Industries EFX Amplifier Wiring...

1 Answer

Diamond wire diagrams for capacitors 3 0 farad


i think you mean you want to know how to wire 2x 3.0 farad 12V capacitors into a 24V truck??????? let me know i can help with this,ben

Aug 13, 2009 | Car Audio & Video

1 Answer

Reconnecting two amplifiers adn farad capacitor


run a fused + wire from your battery to the + of the cap ground the - of the cap to a good grounding place on your car run a wire from the + of the cap into a one in two out disburtion block make sre it is a fesud one.then run one wire from each or the two out side of the dis block to each amp then ground both amps to a good ground.what type of amps do you have

Mar 19, 2009 | Kenwood Car Audio & Video

1 Answer

Help


From what did the wire become disconnected (amp, battery, cap...)?


Jun 18, 2008 | Audiofonics ADF-241 Car Audio Amplifier

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