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Markbass Blackline Little Mark 250 buzzing

Discussion in 'Amps and Cabs [BG]' started by Quatzu, Feb 22, 2018.

  1. Quatzu


    Jul 15, 2008
    Detroit, MI
    Amp is 15 months old, has never left the house. Obviously, I tried every combination of bass/cable/pedal/direct-to-amp, etc. I'm getting this consistent "zizz" across the board. A friend mentioned a possible power issue in my loft, which is very feasible, as it's an old building. This just started two nights ago.

    Have a listen (excuse my frustrated exclamation). Any advice would be appreciated:


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