Report 19V Linear PSU for PC in Do It Yourself Posted October 10 16 hours ago, sbelyo said: At day one I couldn't really hear any difference. The second day I left it on all day then listened at night and there was a positive difference. It's subtle but seems to get better a little each day. It was worth the experiment per se. Which "PC" are you powering? I've tried quite a few different power supplies for my PC/server, and the largest difference in SQ seems to occur when better power is given to the very end of the PC signal chain. For example, if using USB out, giving decent power to the USB card. Giving good power to an outboard usb-to-spdif converter makes a large difference also.