I brought this headphone amp after reading many different reviews and after having a good experience with a cheaper valve amp (Bravo Audio Ocean) and dissapointments with solid state amps up to $350US.   The Amp straight out of the box sounded quite bright with my Audio Technica ATH-A700 and ATH -AD700 and Beyerdynamics BT880 (600 ohm) but within a few hours of burn in  it had started to give that smoother tube sound that I prefer.   I am not running any top end equipment through this as I sold all my HIFI gear a few years ago when the kids...

I was searching for a budget tube headphone amp and this one caught my eye just because of the colour and shape. There was very little in the way of reviews for this I could find other than a utube clip. Having had Cmoy type amps and a few solid state amps in the $100-$200 running off a cowon S9 with various audio technica and sennheiser headphones I could not  get the sound i was looking for. Took a risk and brought this little amp and I am very glad i did. In my view this made my ATH-a700 and ATH-M50s sound significantly better than being...