As promised, here's my review. For this review I had two goals: compare the performance of the Yulong’s various inputs against each other, and compare the Yulong against the DV337 amp. The following equipment was involved:
Yulong DAH-1 Mark Amp/D/A converter (Yulong)
Darkvoice 337 amp with stock tubes (DV337)
Musical Fidelity 192Khz upsampling DAC (MF DAC)
Laptop (for USB)
Sony MDR-CD3000 headphones
For phase 1, I created a setup where the Yulong was...