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I recently purchased a kenwood stereo integrated amplifier model #: KA-5040R and when i got it home the right channel wouldn't work, please tell me whats wrong and if i could fix it my self. ps: this is also a problem with my yamaha RX-450 receiver. please help.

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  • leo_levesque May 06, 2010

    Yeah I used all the same equipment except that I tried it with a different turntable, also I've tried it with a different amp and everything worked perfectly except for the quality of the amp. I also tried it every way possible and its very obvious that the problem is the right channel on both amps. Although, with the kenwood amp the sound is just muffled and distorted but you can't hear a thing from the right speaker when it's hooked up to the yamaha.

  • leo_levesque May 06, 2010

    well the kenwood isnt a receiver its an amp so i plugged my ipod into the aux inputs and its doing the same thing, also i dont have any other speakers or headphones but i switched the left and right speaker around and its doing the same thing to the other speaker so im sure its the right channel on the amp, i just got back from using an air compressor to remove all the dust from the kenwood amp and it works a lot better but the right speaker is still only half the power of the left speaker.
    I did the same with the yamaha and theres absolutely no sound at all coming from the right channel and its a much lesser amp then the kenwood, so im giving up on that one.

  • David Dunn
    David Dunn May 11, 2010

    Hmm, what's common between the two receivers? Do you use the same source(s) or speakers?

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  • 8,546 Answers

If you're using all of the same equipment how do you know the two amps are the problem? Have you swapped speakers?

We need to treat each integrated amp/receiver as a separate problem for now. Let's start with the Yamaha and tell us all the sources that don't work. Let's not introduce anything into the equation.

Start with onboard FM. What do you hear or observe?

Try a CD player next (on both) and see what happens.

How about headphones?

Posted on May 06, 2010

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