I own two units and I would call their customer service. I just took both a noise sniffer and my scope to the line with my PP on it and mine certainly doesn't do that.
PS Audio PP is adding noise to AC lines
I have a PP300 which does wonders for my digital front end. I would prefer to leave it on all the time since I have a tubed DAC. However, when the PP300 is on, it causes severe interference on my TV on another outlet to a point that I have to turn it off to watch TV. I am also concerned that this noise is being fed back during listening into my other audio equipment that is not plugged into the PP (pre,amp, TT, etc.). I have a Lab Cable on the PP and don't have any problems when no PP is present. Any suggestions.
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