Headphone Amplifiers iBasso

6th Gen KORG Nutube - An Engaging, Unique Vacuum Tube Sound Provided by KORN and Noritake, the 6th GEN Nutube operates exactly as a conventional triode vacuum tube and creates the same characteristic rich overtones that are sought after in triode tubes. At the same time, the Nutube achieve substantial power saving, miniaturization, and quality improvements when compared with a conventional vacuum tube. The AMP13 competes voltage amplification through the vacuum Nutube, while giving AMP13 An Engaging, Unique Vacuum Tube Sound, delivering excellent linearity. 3.5mm+3.5mm - Unique Dual Single-Ended Outputs The voltage amplification capability of the Nutube 6P1 is limited. Two stages of