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Grounding Speakers

My Tannoy DC8Ti speakers have a ground connector.  Can someone give me a good idea as to why I should use it?  Full disclosure - I had them grounded to my pre amp before.  I just received, assembled, and reinstalled my gear on a new Butcher Block four shelf rack.  My other rack has 3 shelf, so I’m reconfiguring the layout.

My turntable is grounded to my phone pre Amp.  My power amp also has a ground connector.  Should I ground the speakers to the pre amp, power amp, or to a dedicated earth ground?  And is there any reason to use the power amp ground?
128x128oldschool1948

Showing 1 response by lalitk

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lalitk
5,091 posts
 
@oldschool1948,

Tannoy owner here, I have not tried the earth connection on the amplifier as I am currently using Nordost Star Grounding scheme for my entire system. My Tannoy’s are currently grounded to Nordost QKORE6 ...this does provide enhanced mid-range clarity and quieter background. I believe the idea behind the ground connection on Tannoy’s is to reduce unwanted radio frequency interference.

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