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Unison Research are an Italian manufacturer founded in 1987 by a group of audiophile enthusiasts with a passion for music. They specialise in the design and manufacture of amplifiers, CD players, headphones and other specialist music accessories and equipment. At Vickers HiFi we are proud stockists of the leading brand, Unison Research who offer rich sound and retro inspired designs. Our extensive range includes best-selling products such as the Performance Hand Built Amplifier and their Unico 150 Integrated Amplifier.