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Rapid pulsing/ throbbing noise
Hello, I recently made my move to SC and finished my set up in my new place.
I encountered a rapid pulsing/ throbbing noise in the phono section in my right channel only. This noise is only at very high volume and the only way I can hear it is to turn my volume up most the way (at about 4:00 position) without a record playing. Now I never listen at that level (max about 12:00 - 1:00) but nonetheless, it's still there and never was before. All I did so far was to change the interconnects and ad an additional grounding wire from my pre amp to phono stage. Any clue as to what might be causing this?
I encountered a rapid pulsing/ throbbing noise in the phono section in my right channel only. This noise is only at very high volume and the only way I can hear it is to turn my volume up most the way (at about 4:00 position) without a record playing. Now I never listen at that level (max about 12:00 - 1:00) but nonetheless, it's still there and never was before. All I did so far was to change the interconnects and ad an additional grounding wire from my pre amp to phono stage. Any clue as to what might be causing this?