TAS Legacy: The Infinity Reference Standard (IRS) Loudspeaker

Like Infinity’s previous flagship loudspeakers, the goal of the formidable seven-feet, six-inches-tall, four-tower, Infinity Reference Standard (IRS), introduced in 1980, was to reduce “the musical distance between the live performance and its reproduced illusion.” Its sole design objective was to “achieve the world’s highest level of musical accuracy, and to develop the new technology needed to attain that objective.” Originally conceived as a statement of what a large line-source dipole without any design compromises could achieve, the IRS attained surprising commercial success, and served as HP’s long-time reference (and was ultimately replaced by Nudell’s own Genesis I loudspeaker system). That …