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About the MA1 MkIII
The Atma-Sphere MA-1 MkIII is a high-end monoblock power amplifier renowned for its output transformerless (OTL) tube design, delivering 140 watts per channel into 8 ohms. It features a fully balanced differential circuit, patented Circlotronic direct-coupled output stage, and dual-mono chassis construction. The MA-1 MkIII is hand-wired point-to-point, uses premium components such as V-Cap Teflon coupling capacitors and custom resistors, and is stable with all input and load conditions. Its automatic biasing, built-in VU meter, and classic open chassis design make it both user-friendly and visually striking. The amplifier is celebrated for its clarity, speed, and lifelike sound reproduction, making it a reference choice for audiophiles seeking the purity of OTL tube amplification.
Specifications
Key Specifications
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