"Most important." That was the phrase I used when I e-mailed the members of Stereophile
's extended family of reviewers and writers to ask for suggestions when I began to compile this list. I didn't want to be more specific because I wanted to cast the net as wide as possible. But there are many factors that make an audio component "important": design innovation, sound quality, sales figures, influence on other designers, influence on the evolving market, influence on system synergy.