Question about Legacy LA2259 Car Audio Amplifier

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Legacy 4000w amp acting funny with subs

I have a legacy rebel 4000w and i am connecting *** with my 3 12' pioneer premier speakers, but for some reason after it is all hooked up it cuts on for two seconds and then blows a fuse.. i am seeking help 2 fix my problem cause i have no money for a new sound system please let me know if u know wht to do or if am running the wires wrong

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  • Anonymous May 07, 2009

    i coonect five subs and it just cut off for a second

  • Dave DeGain
    Dave DeGain May 11, 2010

    The legacy amp, it is a 2 chanel bridgable amp. But what is the impeadance rating for it in bridged mode? If you have all 3 subs in parallel and bridged, you have a very low impeadance, under 2 ohms. That is almost like a dead short to the amp. If all of your wiring is correct and the right guage wire is being used, the most likely problem is the speaker hook up.

    Try putting it in stereo mode and connect just one speaker per channel and see if it turns on. If so, you just found your problem. Improper speaker connections. The legacy amp is a very low cost amp and claiims to be 4000 watts. That is a little too good to be true, don't you think? Remember that you get what you pay for, and car amplifiers are no exception. Not all amplifiers are rated properly. Play it safe with this one and it might last you for a while. But try and push the most power out of it that you can and it will burn up on you. The speaker impeadance that you connect to the amp is very, very, very important.

    By connecting it in stereo mode and using one speaker per channel, you will have a 4 ohm load on each channel and it will get alot of power out of it. I would never try to push this particular amp to the extreme, you will not be happy with the end result.

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Do you still need help wit this amp? If so, please provide the needed information. If not, just ignore this post.

Posted on Oct 16, 2008

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  • Contributor
  • 29 Answers

You either have a short, or the speakers are too powerfull for it, or the most likely problem is that your fuse is like 15 amps, but the amp is like 20 amps, so check the amps and if they are near 13 or higher, put in a higher rated fuse. :)

Posted on Jun 18, 2008

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Having your subs in well-designed and constructed enclosures will make as much or more difference in their output than how you connect them to an amp.

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