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psw650

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    Sub PSW650 Polk Audio primary transformer coil burnt. 110v.

    Sub PSW650 Polk Audio primary transformer coil burnt. 110v. If your power grid is 110v (USA) and the sub is not working at all probably your primary(input) coil of the transformer has been burnt. Just use a simple tester to check the resistance on a receptacle of a Sub. The regular resistance...
    • alex_jd
    • Thread
    • 110v burnt fix polk audio psw650 sub transformer
    • Replies: 1
    • Forum: Speakers
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