Question about Pyramid 2CH 1000W CRYSTAL AMP Car Audio Amplifier

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Amp power my power on the amp is nolong working. I was wonder did the amp just burn out. It was working when I left on Tuesday and when i return last night from out of town, It was fading in and out with the power. Now it just nolonger work

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Open it up and check the board and magnets on the side if it smells funny and looks like black resin its burned out

Posted on Mar 26, 2008

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Posted on Jan 02, 2017

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Ok fuses hmm maybe the wrong size amp but what is sucking the life out of the alterneter


Your fuses have nothing to do with current draw, all they do is keep the wire that they are in line with from melting and starting your car on fire! The problem you have is the same as all the rest of the people who do not plan out their car stereo system. Your stock alternator is made to keep your battery charged while you drive it, with very little extra power needed for the power windows and AC. Most cars have a 80 to 110 amp output alternator, but that's not a continuous draw either. That is a top output while it's recharging things it will get super hot after a while of high output and will burn up the diodes in the regulator eventually. If you have a 100 amp alternator and it has 30 amps of power left over after charging the battery and running your AC it certainly will not be able to power up an amp that has a draw of 60 amps or more. Your alternator never has a chance to catch up to normal charging of your battery even. You'll find your battery will last about 1/2 of the rated life from never getting charged full ever, your alternator will die every summer and your amp will be another one of those that are stacked up on my work bench in need of parts due to burned up power mosfetts from under voltage and over amperage on the rails of your overdriven amp. You will be doing the same as the last ten others with this same problem, you will be shopping for a new HO alternator, new Battery and a new Amp but will not be doing this until after all these things have been replaced 2 or more times. Then you will remember this post I wrote for you telling you that these things need to be done first, before even getting started on building a system. Once you realize the cost of the entire project you would probably start thinking about getting components that will be drawing less current and not have to be replacing everything along the way. It took me 10 years of working with12 volt systems to come to this conclusion and the last 25 years trying to get others to understand the cost involved to do it right.

Mar 31, 2013 | Car Audio & Video

1 Answer

Why does it burn the fossil


internally the amp is shorting out. return & replace amp if you got warranty on it.

Apr 05, 2010 | Kenwood KAC-749S Car Audio Amplifier

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Amp powers up. the right channel works fine left not at all


If you didn't find any burned parts that would mean one of the buffer amplifiers before the power amp could have died. They could either be transistor based or opamp based. They are fairly low power so they will not explode like the output transistors like to do. Contact rockford, they should be able to send you a schematic. Let me know I will try to help you through it.

Dec 14, 2009 | Rockford Fosgate Punch 401S Car Audio...

1 Answer

Amp shuts off when switched from radio to cd


your amps rem wire is hooked to the power antenna wire on your head unit and so when you turn off the radio you would nolonger need an antenna so it powers down and would lower the antenna.Depending on the head unit you should have one output for the power antenna and one for the amp rem......If your head unit doesn't have the rem output you can wire it to the switched wire that powers your head unit but keep in mind the amp will stay on while you have the key in acc or run position even if your head unit is off.
hope this helps!

Jan 16, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

The fuse from the amp to the battery keeps burning


maybe it cannot accomodate too much power running on it...too much current, try another fuse with higher ampere rates

Jan 14, 2009 | Nitro BMW-486 Car Audio Amplifier

1 Answer

Amp no longer turning on


Do the speakers push out or pull in when power is applied?

If not, how did you determine that is has DC on the speaker outputs?

Oct 04, 2008 | Legacy Audio LA1030 Car Audio Amplifier

1 Answer

I need HELP


If you disconnect the RCA cables and the speaker wires from the amp, does the fuse blow?

If not, does the amp heat up if left on for several minutes?

Dec 19, 2007 | Kicker IX404 Car Audio Amplifier

1 Answer

Jensen xa2150 amplifier


Check and see if its dirty inside, dust and smoke are known to cause problems via shorting or not making contact... sometimes your fuses are a bit over the wall so it would be best to replace them... and check if you have a fuse between your battery and the power cable to avoid over powering the amp

Dec 18, 2007 | Jensen XA2150 Car Audio Amplifier

1 Answer

Burnt smell


If something is burnt,something made it burn !! These things dont smoke for no reason. Have the amp checked out, and also have the speakers and all the wiring checked for a partial short. Good Luck

Aug 08, 2006 | Power Acoustik PS2-1600 Car Audio...

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