Unison Research was founded in 1987 by a small group of audiophile enthusiasts led by Giovanni Maria Sacchetti. G.M. Sacchetti was born in 1945 and inherited from his father - an accomplished pianist - both an understanding and passion for music. From a very early age he began to experiment with making amplifiers, which of course in those pre-transistor days were all valve-powered. After completing a degree course in electronics he dedicated himself to teaching for 25 years, whilst at the same time developing and designing all the products for Unison Research.