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"Hi Clay - Thanks for posting this over here in a new thread. I think more people will find what they are looking for (if this is what they are looking for) in this thread instead of one about the Mini. \n  \nThanks also for posting this info in general. Very cool to read and soak up the information as another data point in an ocean of data points. Not all are created equal. This data seems a bit better than most :~) \n  \n  \n  \n  \n\"Toroid power transformers are inferior in this regard compared to split bobbin transformers, since the windings are right a top each other in a toroid and there is a lot of capacitance between the primary and secondary windings.\" \n  \nThis is very similar to what a very well known engineer at Spectral Audio told me. Toriods are pumped up by manufacturers who you them to be the best thing since sliced bread and made huge as a selling point. However, the more people know about them the more they don't like them. \n  \nAlso, running a MacBook Pro from battery with a bus powered hard drive is looking like a better and better option every day. \n  \n"
<https://audiophilestyle.com/forums/topic/4735-lengthy-primer-on-ac-with-some-thoughts-on-reducing-the-computer39s-impact-on-yours/>