Yamaha will have best build (and probably parts) quality by far and will have a warmer, fuller and more robust sound. I’d put the Cambridge and Rotel more in the “white wine” sonic category, and both have had their share of reliability problems with Cambridge probably being the worst just going by the number of people here who’ve had problems with their gear. Personally I’d take Rotel over Cambridge generally speaking for both build quality and sonics FWIW. Hope that helps.