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Audioman - This is Real

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    Onkyo A-7 - Setting bias on a vintage amplifier
    6:17

    Onkyo A-7 - Setting bias on a vintage amplifier

     278  views 4 comments
    Vector Research VR-5000 under repair
    4:55

    Vector Research VR-5000 under repair

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    Variac voltage control demonstration
    4:17

    Variac voltage control demonstration

     176  views