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  1. Alpine 3539 faulty? (DC between RCA shield and supply ground)

    Old School Car Audio Discussion
    Hello everybody, I'm an italian guy with passion for HIFI. I don't know where to get support so I decided to subscribe to DIYMA forum. Maybe some good people will help me! :) Let's talk about my alpine 3539 car amplifier, just bought used some days ago. The problem is that I measure a DC...