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Audio Research
Corporation
Audio Research is one of America’s longest-standing high-end audio manufacturers. Founded in 1970 in Minneapolis, the company has remained dedicated to advancing the state of music reproduction through genuine technological and performance breakthroughs.
For over 50 years, Audio Research has designed and built its products in Minnesota, operating from a 48,000-square-foot facility and serving a global network of specialist retailers and distributors.

Luxman
Since 1925, at the dawn of radio broadcasting, LUXMAN has spent a century pursuing one ideal: pure, uncolored sound. That pursuit has earned the brand a reputation as one of the world's true high-end audio specialists — crafting instruments that let listeners feel the artist's true passion, exactly as it was meant to be heard.
Dan D'Agostino
Master Audio Systems
No name is more synonymous with high-end amplification than Dan D’Agostino. With over
35 years of innovation, his designs define power, precision, and reference-level performance trusted by the world’s finest loudspeaker makers.

Pass Labs
Founded in 1991 by designer Nelson Pass, Pass Laboratories is one of America's most respected names in high-end audio. From its origins as amplifier prototypes built in a home workshop, the company has grown into a close-knit team that still hand-builds every product from their Foresthill, California facility — staying true to its founding pursuit of genuine advances in amplifier design.

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