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RE: Residual "Buzz" on my P3-24, TT-PSU (???)

Not to worry about using a outlet ground pin.

I know that taking only a ground prong, with no + and - prongs, attach an insulted wire to it and make sure the wire is clean with no frays on this ground prong end would create a ground to the house's grounding set up. I've tried this once to try to enhance a carbon fibre brush as a static remover (aka: much like Maple Shade's record cleaning brush) and I had no safety issues. It did not do much so I just stopped doing that.

I also take care to understand about electricity as such.

The 640p ground post is only a chassis ground like you said and as noted I can get the buzz out by say over 90% this way. I also tried the phono section ground lug on my Onkyo receiver and the same results, only say 90% buzz gone but the residual noise is still ever so noticeable.

As you read when I add myself to the ground wire I attached to the ground of the 640p and touch the TT-PSU the buzz basically goes away. But if I only attach the wire from a screw on the chassis of the TT-PSU without me being a part of this circuit it still remains at the lower level of 90% or so.

As to the Ortofon 2M Blue. Looking at its pins in back the GREEN pin has a clean metal section base. It's the only pin that has this unpainted metal base. The other pins do not have this, they have what appears to be intact black paint on the metal base. The RB301 copper lead is fully snug on these pins and is touching the cleaned off metal base of the GREEN PIN. It makes no difference though if the copper leads of the Rega arm touches all the way back to this clean off silver base or not.

I'll try a real known ground connection and yes we will see if the DL-110 results in a better situation.


Edits: 06/26/12
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