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Whats the best way to connect unbalanced signal sources to balanced inputs?

April 26, 2017balanced best Connect inputs signal sources unbalanced

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Whats the best way to connect unbalanced signal sources to balanced inputs?

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The traditional method is to use balanced cable and connect the cold to the screen at the unbalanced end. However, this can sometimes result in ground loop hum problems, so it is safer to connect the unbalanced end of the cable as follows. Connect the screen to the ground pin via a resistor of between 100(omega) and 500(omega) or leave it disconnected altogether. Connect the cold core of the cable to the connector pin normally used to connect the screen. Connect the hot core to the connector pin normally used to connect the hot conductor.