Most likely your power cable is too close to your speaker cables and you're getting the hum of 60hz through your speakers. Try re-arranging your cords.
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Sage knows our mythic history, King Arthur's and Sir Caradoc's
She answers hard acrostics, has a pretty taste for paradox
She quotes in elegiacs all the crimes of Heliogabalus
In conics she can floor peculiarities parabolous -C'hi
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