Unison Research is the world famous Italian maker of state-of-the-art, hand-finished, superbly crafted hi-fi/hi-end integrated, pre and power valve amplifiers, phono stages and accessories.

Almost twenty years have passed since our first amplifier was built and, since then, we have always been regarded as one of the finest specialized equipment manufacturers in the world.

Our range of models is comprehensive, because we firmly believe that in the heart of every hi-fi lover there is a special passion for valve amplifiers: so we aim to offer both unsurpassed high-end amps and affordable solutions that offer real value for money, with no compromise.