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    Sound Artifacts of Cheap Ground Loop Isolators?

    So, I found out when trying to EQ my headphones and using pure frequencies to test it, that mine sounds very much like the one in the article linked above: https://sound-au.com/articles/audio-xfmrs.htm There is a massive boost around 30 Hz and below that is very, very distorted.
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    Sound Artifacts of Cheap Ground Loop Isolators?

    Oh, I see. This article basically answers all of my questions about what they are and what they can affect, thank you very much! Along with the measurements posted of a much more expensive device as a representation of a "good transformer," thanks, this is pretty much exactly what I wanted to...
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    Sound Artifacts of Cheap Ground Loop Isolators?

    So, I'm using RCA to connect to my amp, but I get hum. I stuck a cheap $10 amazon ground loop noise isolator in and it's definitely a big improvement, since I don't hear any hum anymore. But, I'm wondering if they introduce any audio artifacts. I could go a balanced chain, but that seems like a...
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