xDuoo DSD DAC Portable Audio Headphone Amplifier (TA-01)

this is the xuo ta-30 tube headphone amp now not only is it a tube headphone app but it has a digital to analog converter built in or dac as we tend to say so you can plug it directly into your computer and hopefully get good sounding music out so the question is for 710 dollars does it sound any good that's what i aim to find out hi-fi go sent me this to x duo ta30 for review so thanks very much to them for sending it over now as a tube amp let me explain how it works if you're not familiar with tube amps for starters of the three tubes that you can see the largest is this chinese 5z 3p which is a rectifier now it's used for power rectification converting ac to dc in the circuit in most amps this might be done by you know there are plenty of electronics to do that but in some tube amps they use tube rectifiers and have the quality of the tube rectifier can influence the sound now i did