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Turntable HUM

Hi, Looking for help. Just set my TNT/ET II. Connected to a Counterpoint SA500. and hae loiads of HUM. I have shorting plugs in the MM input of the 5000. I have ran a ground wire from the motor of the TNT to the ground on the Chassie of the 5000 and still HUM...Does not matter wheather the motor is on or not. I even changed the phono tubes and still HUM. Any Sugestions would be greatly appreciated.

Thanx
sixstrorch

Showing 1 response by jameswei

jameswei
883 posts
 
I assume you are using an SDS power conditioner. The old VPI PLC generated gobs of hum. The only way to remediate it was to place it physically far away from the turntable, preamps, and phono cables.

Could your rig be close to a high voltage power line? Maybe in the wall? If you are replacing a turntable and your old turntable had no hum, then this is probably not an issue.

I don't know the ET II or the SA500 well enough to have a coherent thought. Good luck.
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