Atma-Sphere Music Systems, Inc

Atma-Sphere is a St. Paul, MN-based company that has been handcrafting high-end vacuum tube amplifiers since 1976, specializing in Output Transformerless (OTL) technology. Known for their innovative circuit designs, they have received numerous awards for their products, including the first balanced-line preamp in high-end audio history.

With a commitment to quality and customization, Atma-Sphere's amplifiers and preamps are made-to-order using hand-selected, often custom-manufactured components. The company's dedication to reliability and performance has established it as a leader in the audio industry, with a reputation for delivering exceptional sound quality.

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