Alex Rosner
American sound engineer and designer
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Early life
Career
Rosner got started building Hi-Fi systems while a student in electrical engineering.[3] He built stereophonic discotheques at the 1964-65 World's Fair.[3] This was the world's first stereophonic system.[4]
Rosner opened his business, Rosner Custom Audio, in 1967.[2] He had a long collaboration with David Mancuso.[3] Rosner prototyped the first mixer in 1965, as a way to transition between vinyl records.[5] He designed systems for Directoire, the Ginza, the Limelight, Max's Kansas City, Shepheard's, Tambuorine, and Tamburlaine.[3] Rosner's systems survive at Riverside Cathedral and St. John the Divine churches in New York.[2]