If excessive hum is heard coming out of a loudspeaker,one of the prime suspects is a shorted diode in the power supply.

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While a shorted diode in the power supply can cause issues with the loudspeaker, excessive hum could also be caused by a variety of other factors such as a faulty filter capacitor, grounding issues, or even a problem with the audio signal itself. It is important to perform proper troubleshooting to identify the root cause of the issue.

If Excessive Hum Is Heard Coming Out of a Loudspeaker,one