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Thread: Any car stereo experts ?

  1. #1
    Join Date: Apr 2015

    Location: Southampton, United Kingdom

    Posts: 332
    I'm Paul.

    Default Any car stereo experts ?

    I've got a problem with my car stereo .. or should that be ICE these days ??

    Anyway, it's a 2005 Nissan Primera - nothing flash, I'd rather spend my money on other things.
    The damned thing has always made a weird metallic scraping or buzzing noise intermittently on MW.
    I listen to talkSPORT and 5Live for the football chat and match commentary and it is so bloody annoying.

    It's a strange noise that is made worse by holes in the road, changes of gear (it's an auto, but you know what I mean) or braking, so I wonder if it's some kind of issue with grounding or something connected to the body of the car somehow ?

    The other curious thing about it is that the interference/buzzing/scraping sound changes pitch depending where I am on the dial.
    What I mean by that is talkSPORT is a completely different tone to 5Live, while the three separate tuning spots for talkSPORT (1053/1089/1107 in my area) all have a different pitch too.

    I've never had this issue in any other vehicle.
    Crap reception : of course, this is MW after all, but never this odd accompaniment.

    Anyone got any ideas ?
    Linn Sondek LP12, Ittok, A&R P77 > Musical Fidelity XLPS v3 Phono Stage
    Sony CDP-XE520 CD Player > SMSL Sanskrit DAC
    Pure DAB tuner
    Tisbury Mk.1 pre-amp > 2 x Meridian 205 monoblock power amps > Rega Jura Mk.2 speakers
    Grado SR80 headphones

    www.paulridgeblog.com

  2. #2
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 3,494
    I'm Alan.

    Default

    In my heyday I used to fix car stereos for a living, long time ago now, before I got a 'proper' job

    Anyway I have a couple of suggestions:

    Attach a separate earth lead from the case of the stereo to a suitable chassis connection, or better still directly back to the negative terminal on the battery.
    The existing 'earth' is probably just through the fitted loom, not that great.

    Check that your antenna mounting is making good contact to the chassis, you may have to scrape back to bare metal.

    These fixes usually got rid of unwanted interference.

    Cheers, Alan

  3. #3
    Join Date: Apr 2015

    Location: Southampton, United Kingdom

    Posts: 332
    I'm Paul.

    Default

    Quote Originally Posted by Firebottle View Post
    In my heyday I used to fix car stereos for a living, long time ago now, before I got a 'proper' job

    Anyway I have a couple of suggestions:

    Attach a separate earth lead from the case of the stereo to a suitable chassis connection, or better still directly back to the negative terminal on the battery.
    The existing 'earth' is probably just through the fitted loom, not that great.

    Check that your antenna mounting is making good contact to the chassis, you may have to scrape back to bare metal.

    These fixes usually got rid of unwanted interference.

    Cheers, Alan
    Magic !
    Thanks, Alan - you're a gent
    Linn Sondek LP12, Ittok, A&R P77 > Musical Fidelity XLPS v3 Phono Stage
    Sony CDP-XE520 CD Player > SMSL Sanskrit DAC
    Pure DAB tuner
    Tisbury Mk.1 pre-amp > 2 x Meridian 205 monoblock power amps > Rega Jura Mk.2 speakers
    Grado SR80 headphones

    www.paulridgeblog.com

  4. #4
    Join Date: Jul 2014

    Location: Shropshire

    Posts: 1,669
    I'm Anto.

    Default

    To be fair ,they usually a whine on Talksport , most of the time
    I only ride 'em, I don't know what makes 'em work

  5. #5
    Join Date: Apr 2015

    Location: Southampton, United Kingdom

    Posts: 332
    I'm Paul.

    Default

    Quote Originally Posted by Oddball View Post
    To be fair ,they usually a whine on Talksport , most of the time
    I usually turn over if Mike Parry or Mick Quinn are on .. like scratched records, those two

    That said, Hawksbee and Jacobs is the best thing on the radio, bar none
    Linn Sondek LP12, Ittok, A&R P77 > Musical Fidelity XLPS v3 Phono Stage
    Sony CDP-XE520 CD Player > SMSL Sanskrit DAC
    Pure DAB tuner
    Tisbury Mk.1 pre-amp > 2 x Meridian 205 monoblock power amps > Rega Jura Mk.2 speakers
    Grado SR80 headphones

    www.paulridgeblog.com

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