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  1. #1

    FM Interference from CD player?

    I'm using a generic T-antenna for FM reception in the living room and noticed that if I prop the antenna away from the CD player as much as possible, the reception improves. I remember reading somewhere that CD players cause interference with RCA interconnects in higher end equipment (this setup isn't). The CD player is an Onkyo DX-C380 plain vanilla player, but I am wondering if this is the reason. There is also a power strip back there, so that may also be causing the interference.

    The problem is that I can't really move the receiver any further away so there is still some proximity where the antenna connects to the FM input. Will using a short but thicker/shielded BNC cable between the antenna and the receiver help?

  2. #2
    Color me gone... Resident Loser's Avatar
    Join Date
    Mar 2004
    Nueva Jork

    Is the problem...

    ...poor reception or interference?...really two different things...CDPs and other digital devices (or those that contain digital processors) carry the warning tag re: FCC requirements, blah, blah, blah...

    I would define interference as some sort of audible hash through your FM reception...poor reception as drift, loss of stereo, auto-muting, that sort of thing...

    Perhaps it's simply coincidence that you are finding a stronger signal by relocating your dipole...a 6ft. coax jumper, probably terminated in a balun and then connected to the "T" might improve things, so could a simple strand of wire in the other direction...a little experimentation can work wonders...

    jimHJJ(...sometimes we can't see the forest for the trees...)
    Hello, I'm a misanthrope...don't ask me why, just take a good look around.

    "Men would rather believe than know" -Sociobiology: The New Synthesis by Edward O. Wilson

    "The great masses of the people...will more easily fall victims to a great lie than to a small one" -Adolph Hitler

    "We are never deceived, we deceive ourselves" -Goethe

    If you repeat a lie often enough, some will believe it to be the truth...

  3. #3
    Suspended markw's Avatar
    Join Date
    Dec 2001
    Noo Joisey. Youse got a problem wit dat?

    It's possible, but...

    ....why would you need the CD player on when listening to the FM?

    And, repositioning the antenna some distance away should help. It just may be the metal around the components as opposed to the stuff inside. FM is funny that way...

  4. #4
    Quote Originally Posted by markw
    ....why would you need the CD player on when listening to the FM?
    The Onkyo CD Changer has no remote on/off, so it's on all the time. They are all inside of a cabinet, so moving things around is a bit of pain.

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