Hey, all, Here's my setup: iPad streaming lossless -> Pure I-20 -> Schiit Gungnir DAC -> Woo Audio WA2 w/very good tubes ->HD-800. Here's my problem: It's a good mid-fi system, but it's incredibly unforgiving--so unforgiving that 95% of my recordings are basically unlistenable. I have 15 or 20...