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questions about star grounding in a 2203

Posted: Mon Jul 17, 2017 8:33 pm
by Max888
Hi guys,

I would like to implement star grounding in a 2203, to make it as quiet as possible. An article by Randall Aiken suggests that the secondary CT of the PT will make a good central grounding point.

Now I see that on my Marshall this is connected between the two mains filter caps, and not to ground.
Can I move the PT CT wire to a ground lug or will things go bang then?

Re: questions about star grounding in a 2203

Posted: Wed Aug 02, 2017 8:29 am
by Littlewyan
No you can't ground that wire. Are those mains filter caps in series by any chance? With the PT CT connected to positive on one and negative on the other?