Founded in 1987 by Giovanni Maria Sacchetti, Unison Research is a leading Italian producer of tube amplifiers, renowned for blending electronic innovation with a passion for music. Sacchetti's early designs, like the TRIODE20 and the internationally acclaimed SIMPLY TWO, paved the way for the brand's success. Today, Unison Research is recognized globally for its elegant craftsmanship and high-performance audio systems, which combine technical expertise with timeless style, providing both auditory and visual pleasure.