For more than 15 years Unison Research products have been admired and appreciated around the world. From the very beginning Unison's purpose was to provide enjoyment throught listening to music. To that deceptively simple goal they bring a lifetime of experience in both valve and solid-state electronics design - and a genuine passion for making equipment that gives it lasting pleasure. Look inside any Unison Research amplifier and you will find renowned build quality, careful attention to detail and a very high standard of material content. Many of the key components such as the mains and output transformers which are vital for good sound quality are made in-house.