One more thought -- you'll have to register on Jensen's website to access this PDF, but it illustrates best methods for tackling some of these issues:
http://www.jensen-transformers.com/wp-content/uploads/2014/08/an004.pdf
jack
http://www.jensen-transformers.com/wp-content/uploads/2014/08/an004.pdf
jack
note: I have been registered at the website and in that time they have only sent one e-mail. It was about Dean Jensen (RIP) receiving an award.
I see. While I have never seen that in a home electrical system, it could be used in a hi-fi system instead of one of those magic grounding boxes.
A .25" x 2" X 10" Copper Ground Bar is gross over-kill for domestic hi-fi. That's for telephone buildings with thousands of miles-long copper lines coming in from overhead poles. I've seen it in large networking installations. I've seen it in small optic-coupled 1-switch racks and knew the specifiers were clueless. (They also specified a 20A plug on a 0.5A switch forcing an electrician's bill for no reason.)
I don't think it has any bearing on turntable buzz due to overhead lights. More likely some bit of metal in the TT is not grounded, and a piece of thin #28 wire is all the bond it needs.
I don't think it has any bearing on turntable buzz due to overhead lights. More likely some bit of metal in the TT is not grounded, and a piece of thin #28 wire is all the bond it needs.
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