Re: [Elecraft] K-3 whine when audio gain at zero

Sounds as though digital noise is getting into the analog ground. Make sure all connections between the radio and power supply are clean and tight. Also, check the ground between the radio ground terminal and the power supply ground terminal. Has anything been added to the station in terms o

[Elecraft] K-3 whine when audio gain at zero

Hi, Recall reading about others with this problem, but cannot locate it using search on this thread. Any help with removing this aggravation would be appreciated. My issue is intermittent. Had it briefly before, but mysteriously disappeared. Now it's back. Thanks. 73, Art KZ5D