I am getting the feedback only when the needle is on the record. I have 2 technics 1210’s connected to a pioneer ddj1000srt and this happens with both turntables. I have moved the speakers as far away from the tables and controller as possible. Speakers are electro voice powered speakers. Turntables are both grounded, no lids attached. I have tried several things beneath the tables for isolation such as pipe insulation, 1 inch concrete bricks, sorbathane to no avail. I have removed the turntables one at a time, also switched inputs and still the same issue. I have tried swapping cartridges. I also tried disconnecting headphones and still the issue occurs. I have spent a ton of time on this and am running out of ideas. I know there is some feedback expected at some point, but this loud at 1/3 master volume is too much.

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