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Buzz from 1 Speaker (AM Talk Radio Station Only)

Discussion in 'Gen 4 Prius Audio and Electronics' started by ATHiker, Nov 8, 2016.

  1. ATHiker

    ATHiker Senior Member

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    I have been ignoring this for some time, but since my warranty will expire in a couple months II need to decide whether or not to address.

    I get an intermittent buzz -- sort of a "blown speaker" sound -- from my front right speaker.

    The odd thing is that this is audible only when I listen to AM Talk Radio (which I happen to do only on one station). The FM stations -- talk or music -- don't have this problem and even the HD version of that AM station is fine (since the HD signal gets dropped frequently I don't use it much however).

    Since the problem is intermittent and my story a bit bizarre I hesitate bringing this to a dealer-- taking things apart to look for a loose screw could do more harm than good, right?

    For a while I was thinking the issue could be with th station's transmission, but it is one of the iconic 50,000 Watt broadcasters and this has been going on for months.

    Any thoughts?
     
    #1 ATHiker, Nov 8, 2016
  2. alanclarkeau

    alanclarkeau Senior Member

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    It does sound a bit odd. I've a suspicion that AM radio is the least worry of car designers. I don't think I've listened to AM on mine - I download podcasts and listen to them on CD or USB.

    Have you listened to that AM station on another radio - at home or in another car? You could contact the Radio station.
     
    #2 alanclarkeau, Nov 8, 2016
    RCO likes this.
  3. MD Hel

    MD Hel Junior Member

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    Is it through the stock speakers? I had a lot of issues when I replaced my speakers with crackling noises from the front tweeters, especially the left front. I had to rewire everything to fix it. I think there might be some transistors or crossovers in the original wiring.
     
    #3 MD Hel, Nov 21, 2016
  4. ATHiker

    ATHiker Senior Member

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    Four Touring
    Yes, and it is getting worse -- which is probably a good thing if I take it to a dealer.

    Do you know if the dash would need to be removed to access the front speaker? I don't relish a dealer installing some new scratches and squeaks.

    I hate to think the cure will end up being worse than the disease, and FM sounds great.
     
    #4 ATHiker, Nov 22, 2016
  5. alanclarkeau

    alanclarkeau Senior Member

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    Could it be an antenna problem?
     
    #5 alanclarkeau, Nov 22, 2016
    ATHiker and RCO like this.
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