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Noise on amp with boss pedals

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  • 30-09-2010 1:49pm
    #1
    briancarr82
    Registered Users Posts: 313 ✭✭


    Hi I have a boss ds 1 and a chromatic tuner! These are on a daisy chain power supply!
    There is a humming off my amp that gets worse when I press down on the chromatic tuner!
    When I turn the tone up on the ds1this gets worse, not sure wot the problem is! Any ideas, new to all this!!!!!!!!


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    #2
    shizz
    Registered Users Posts: 1,506 ✭✭✭shizz


    Sounds like a ground loop hum. Can you power the two off batteries and see if the hum is still there?


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    #3
    briancarr82
    Registered Users Posts: 313 ✭✭briancarr82


    they're not battery powered,

    they're on a daisy chain 9v power supply

    it's fine now until i turn on the tuner, it gets worse

    can anything be done?


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    #4
    rustyregan
    Registered Users Posts: 89 ✭✭rustyregan


    What kind of amp is it? (i.e. tube or solid state?) If it's a tube amp, possibly one of the tubes is loose. This would be clear if one of the tubes isn't lighting up. You can just push it back in, taking care not to touch anything else, in order to avoid electric shock.

    If you can't figure it out, I'd advise you bring it, and the pedals to an amp repair person and they'll let you know what the problem is fairly quick. (http://www.boards.ie/vbulletin/showthread.php?p=59673644). They won't charge for just looking at it, I'm pretty sure.

    Good luck with it anyway.


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    #5
    shizz
    Registered Users Posts: 1,506 ✭✭✭shizz


    briancarr82 wrote: »
    they're not battery powered,

    they're on a daisy chain 9v power supply

    it's fine now until i turn on the tuner, it gets worse

    can anything be done?

    Yes but they can be powered by them. Just give them ago and see if the problem is still there


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    #6
    punchdrunk
    Registered Users Posts: 3,355 ✭✭✭punchdrunk


    your problem is the daisy chain!!
    your not using isolated power


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    #7
    novarock
    Registered Users Posts: 1,132 ✭✭✭novarock


    is it a boss branded power supply? Not using a boss one has caused me trouble in the past..


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    #8
    zafo
    Registered Users Posts: 276 ✭✭zafo


    punchdrunk wrote: »
    your problem is the daisy chain!!
    your not using isolated power

    Boss pedals usually work just fine with a daisy chain and I know for a fact that the ds 1 and tu 2 will work perfectly fine on a daisy chain from a decent power supply (boss one works well for me). I'd say the problem might be the power supply itself, especially so if it's a cheap unregulated one.

    I agree with whoever said try it with batteries and see if the noise still persists. Also is the ds 1 turned on when the tuner is on, that could also be a source of noise, if so try putting the tuner after the ds 1 and see if it makes any difference.


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