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Ashdown DI connection issue

Discussion in 'Amps and Cabs [BG]' started by thedoctor257, Aug 4, 2018.


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  1. Aug 4, 2018 #1
    thedoctor257

    thedoctor257

    Oct 2, 2016
    Hi guys,
    New to the form so apologies if this is in the wrong place.

    I've got an Ashdown FiveFifteen Big Boy head connected to a Mag210T cab.

    Ive had it a couple of years and regularly DI it into a PA system for rehearsals. Today during rehearsals there was a horrible loud buzz coming out of the PA speakers. Turns out after a lot of changing cables etc it's my DI output that's causing the noise.

    It's not coming out of my cab, just the PA speakers where its DI'd to.

    Would anyone know what the issue is and if it's a quick fix or am I best taking it to a shop and letting them look?

    Thanks in advance!
     
  5. Aug 4, 2018 #2
    agedhorse

    agedhorse Supporting Member Commercial User

    Feb 12, 2006
    Davis, CA (USA)
    Development Engineer-Mesa, Product Support-Genz Benz
    Is there a ground lift switch on the DI out to lift the pin 1 ground path (eliminating the ground loop)?
     
  10. Aug 4, 2018 #3
    thedoctor257

    thedoctor257

    Oct 2, 2016
    It doesn't look like it. I've attached a picture for you.

    [​IMG]


     
  14. Aug 4, 2018 #4
    thedoctor257

    thedoctor257

    Oct 2, 2016
    20180805_003144.jpg
     
  18. Aug 4, 2018 #5
    Paulabass

    Paulabass

    Sep 18, 2017
    Odd that there's no ground lift. It would be worth owning a short mic cable with pin 1 disconnected.
     
  22. Aug 4, 2018 #6
    agedhorse

    agedhorse Supporting Member Commercial User

    Feb 12, 2006
    Davis, CA (USA)
    Development Engineer-Mesa, Product Support-Genz Benz
    Looks to me like you are missing an important feature.
     
  26. Aug 4, 2018 #7
    thedoctor257

    thedoctor257

    Oct 2, 2016
    Cheers bud I'll look in to it. It's odd cause it's never done it up until today!
     
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