[Elecraft] lost audio

[d r]

i have the K3 and once again a problem has risen. As i was tuning up for FD with a ext speaker plugged in i noticed i lost all RX audio. I thought that the speaker just crapped out on me so i unplugged it and behold still no noise from the internal speaker.. had to run the whole FD with the speaker plugged into the headphone jack on the front, as we were using it inthe GOTA station. wondering if anyone else has had this problem, or know what it is, if it is the audio amp. And how can i check if it is the audio amp? thanks don de wa1bxy

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