Question about Nakamichi PA-2002 Car Audio Amplifier

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1990 Lexus LS400 Nakamichi Car Stero Amp problems

I recently went to have my aftermarket system "professionaly" installed in my car and they car audio store told me that i had a problem with my amplifier for that system... that is not the amp i am asking about but shortly after they ran my wires and told of this, my sound for my radio started to cut out and then went out all together. If you turn the volume up all of the way you can faintly hear the radio. So anyways I took in back to the place to hear what they had to say and they said that my factory amp for the nakamichi premium sound system had quit working or gave out. Now I didnt value what they had to say fully because of the poor work they had done running the wires from my aftermarket system, but as i looked around on the web it seems that it is very possible that my facory amp could have just took a turn for the worse (it is 17 years old). So what i am asking is how do you test a 1990 Nakamichi car stereo amp to see if indeed that is the problem? I have decided not to take my car back to that car audio place all together because of the poor customer service along with the equally poor work they did. Any useful feedback would be greatly appreciated, seeing as how i dont have any tunes at the time. Thanks alot, Kyle.

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  • 3 more comments 
  • Anonymous Mar 05, 2008

    low sound with volume turn all the way up

  • Anonymous Mar 19, 2008

    Tweeters & sub woofer seem to work fine, but low/no sound from the other 4 speakers when the volume is all the way up.

  • lexus4jess Dec 10, 2008

    I have the same problem.So the amp to a dump?Low volume.Can the Amp be tested?Thanks for the help

  • irvcpa Jan 06, 2009

    My sound went out today just as described. Normal operation for a while, then I heard a popping sound and the volume faded away. Now I have only a faint sound coming from the speakers at the rear of the car.

  • vineel1176 Mar 16, 2009

    I have a 1990 ls400.Can i hook up a aftermarkey sub to my factory amp?
    If no than can i hook a small amp to the factory amp wires and than run it to my aftermarket sub?
    vineel1176@yahoo.com please email me thanks

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  • 113 Answers

If the amp is damage it needs to be repaired or replace but the age of any amp doesn't matter, all are compatible to work.

Posted on Aug 08, 2007

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