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no audio in

  1. L

    Mini 2012 audio input

    I have been using my reel to reel Tandberg TD20A with my 2012 Mac mini for the past 11 years, without any problem. Suddenly there is no signal from the audio input. Audio via USB is OK. System preferences/sound/input/line in and output/headphones. All correct as usual. The source sound is OK...