Please keep us posted on what you find out. I also live in the SF Bay Area and will someday run a dedicated audio AC line. I also plan to run a dedicated ethernet line. Didn't know that good house grounding for audio was a thing until I read about Fremer's grounding odyssey.
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FWIW, Fremer’s existing Earth Grounding was not his problem with the degraded sound he was hearing from his audio system. The problem was the insertion of the new ATS switch into the normal AC power system that feed his audio system equipment. ( New ATS, Automatic Transfer Switch, for his new whole house back up generator power system for his home.)
I would imagine a whole new electrical service helped improved the sound from his audio system even more. The elaborate low earth to rod resistance earth connection, (deep driven into the earth ground rod), does nothing for the sound of his audio system. The electrical service earth connection, grounding electrode, is mainly for lightning protection. The Earth does not possess some magical mystical power that will suck nasty noise from an audio system. Major Electricity Upgrade From the Roof Down Produced ... |
Almost no home system requires more than 15A. A properly installed 15A can supply 20A continuously for about an hour. Other than class A, nothing draws anywhere near that much power. It’s a bad idea to run multiple circuits for a HiFi, doubly dumb if they are not on the same leg. Earth Safety should be as close together as possible for minimum chance of ’ground’ issues. On a 20A circuit w ≈700wpc [175wpc tube] and a voltmeter on the input never budges at any volume. Ditto on a ’scope. |
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