This is a FEEL HP2000 high end Hybrid tube – FET Headphone amplifier, Chinese made and High Quality.
New Tubes and power supply recapping.
Have a Great Day 🙂
http://www.head-fi.org/t/266118/review-and-comparison-of-23-home-headphone-amps-add-travagans-red
reel to reel tape recorders magnetic audio tape| custom audio modification