A turntable is a passive device. It has nothing to do with signal processing or amplification. Same goes for a tonearm. If you want to operate in balanced mode, you simply connect your cartridge to any suitable phono stage that incorporates balanced circuitry. Nearly all cartridges can deliver a balanced signal, if connected to a balanced phono stage such that the “ground” pins from the cartridge carry instead the negative phase of the signal. By convention the “hot” pins carry the positive phase. Positive goes to pin 2 of an XLR. Negative phase to pin3. Pin 1 is for chassis ground but the phono signal floats.
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