Audio System / PC on different A/C circuits
I'm trying to determine the best way to incorporate my PC into my stereo system. The stereo is running thru a balanced step down converter (I live overseas, but use American spec equipment) with a PS Audio P500. My PC is plugged straight to the wall on a separate circuit.
I'm hesitant to use USB since that would tie the grounds. Currently I'm using toslink out from the PC into a benchmark dac1, but the toslink transmitter is on a long ribbon cable inside the computer and doesn't sound too good. I bought a USB to SPDIF converter, but the grounds are tied even though it's using a pulse transformer on the output. My next step is to try a USB to Toslink converter. I have an M-audio sonica, but am wondering if this is the best implementation for my system. I really do not want to plug my PC into my balanced transformer.
I'm hesitant to use USB since that would tie the grounds. Currently I'm using toslink out from the PC into a benchmark dac1, but the toslink transmitter is on a long ribbon cable inside the computer and doesn't sound too good. I bought a USB to SPDIF converter, but the grounds are tied even though it's using a pulse transformer on the output. My next step is to try a USB to Toslink converter. I have an M-audio sonica, but am wondering if this is the best implementation for my system. I really do not want to plug my PC into my balanced transformer.
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