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  1. R

    How to cheaply measure AC power noise

    Good suggestion but the only thing with a headphone jack is the AVR and I don't have a set of wired headphones. Depending how this goes I may be buying a cheap set for testing. I have a little Fosi integrated arriving sometime today I'm going to connect directly to the speakers. I can much...
  2. R

    How to cheaply measure AC power noise

    I've tried 3 different sources, even using the same tracks for consistency. I've used two different preamps, two amps, and even connected my Ifi Neo streamer to an amp directly. The amp conveniently has gain controls. I swapped speakers and even got desperate and changed speaker cables. None...
  3. R

    How to cheaply measure AC power noise

    Hi all - I recently developed what sounds like distortion which is occurring at varying degrees with any track I listen to. Through bypassing and swapping I've ruled out any equipment or cable issues so my next thought was maybe I'm having a dirty power problem. Rather than buying an expensive...
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