Atma-Sphere Music Systems, based in Saint Paul, MN, has been handcrafting high-end vacuum tube music amplifiers since 1976. Known for their unique circuit design approach and multiple patents, Atma-Sphere is renowned for creating the first reliable Output TransformerLess (OTL) amplifiers. Their amplifiers and preamps are made-to-order, with each component hand-selected and often custom-manufactured, resulting in products that offer unmatched capacity to reproduce music with intrinsic reliability.
With a reputation for excellence, Atma-Sphere's amplifiers have received numerous awards and accolades over the years, including the Soundstage.com Hall of Fame Award and The Absolute Sound Golden Ear Award. Their range of products includes the S-30, M-60, MA-1, MA-2, and MA-3 amplifiers, as well as the UV-1, MP-1, and MP-3 preamplifiers. With a commitment to quality and craftsmanship, Atma-Sphere continues to be a leader in the world of high-end audio amplification.
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