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![]() ![]() Theoretically it is possible, to take the ATX PSU 12V input, use a switching boost converter, throw a ton of filtration on it, then use a linear regulator to drop back down to the target voltage, but nobody does that because computer sound cards are more about snake oil than benefit after a certain point. Unless you only like low volume before distortion. I repeat, there is no sound card powered by an ATX 12V PSU that can do justice to 600ohm cans. Better analog ICs require more than the 12V a computer PSU produces, and more voltage still for high-Z cans. You want digital output, to a DAC, with a linear regulated PSU powered gain stage using at least 18V. for premium cans, there is no sound card that's sufficient. Paying $150 plus problem ID and resolution time just to stay on that treadmill? Okay then! Yes, only a madman would keep updating windows when it just risks breaking things over and over.
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