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Mackie HR824mk2 monitor buzz repair - where to begin?

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  • fpitas
    replied
    I'd begin by seeing if Mackie had a service PDF available with a schematic and assembly diagram.

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  • Turtle
    replied
    My first guess would be a transformer in the power supply. Is the buzzing sound coming from the woofer/tweeter itself or does it sound like it's coming from the power supply area, on the back?

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  • richddt
    started a topic Mackie HR824mk2 monitor buzz repair - where to begin?

    Mackie HR824mk2 monitor buzz repair - where to begin?

    I own a pair of Mackie HR824mk2 monitors, and one of them started making a continuous buzzing sound. Note that this happens even with no audio cables plugged into it and the power switch off - it begins to happen as soon as the power cable is plugged in. Any ideas what could be wrong? What's the best way to begin diagnosing this for repair? Thanks in advance for your advice!
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