Naiu Laboratory is a German-based manufacturer that's been in existence since the late 1990s. It's the brainchild of Mircea Naiu, who also designed the proprietary circuit employed by their only current model, the Ella Mark 3 stereo amplifier. Naiu refers to this technology as Class ND, which is an acronym for "Naiu Digital." Naiu's … Continue reading Naiu Laboratory Ella Mark 3 Class ND Stereo Amplifier