Twenty-three years ago, in 1993,
Charles Hansen cofounded Ayre Acoustics, Inc., in Boulder, Colorado. On Ayre's website, Hansen is named as Research Director for Ayre, and it seems an apt description. Along with experimenting in and developing audio-electronics hardware and software, Hansen has strongly hewn to certain design principles, among them fully balanced operation, an absence of loop negative feedback, and solid-state circuitry. Ayre's current flagship preamplifiers and amplifiers, the twentieth-anniversary R Series, have received reviews and accolades, while at the other end of the budget spectrum, Hansen's design work was a key element of Neil Young's widely publicized and crowdfunded PonoPlayer project.
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