Lars & Ivan - THA-30 Vacuum Tube Headamp

Highlights: Vacuum Tube (Raytheon 6418) inside Review from AudioTechnique (音響技術) http://www.lars-ivan.com/images/demo/big/406_larsnivan_tha30.pdf Specifications Output Power 140mWx2 or 280mW (16Ω load) ,12mWx2 or 24mW (300Ω load) Headphone Impedance 16Ω ~ 300Ω Total Harmonic...