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😲 The UNEXPECTED Evolution of an Audiophile Legend - Ralph Karsten of Atma-Sphere at AXPONA 2026
For 50 years, Ralph Karsten built the world's finest OTL tube amplifiers at Atma-Sphere. Then, he did the unthinkable: he pivoted to Class D. In this exclusive AXPONA interview, we skip the usual eye-candy rooms to sit down with a true audio industry legend. Ralph opens up about his shocking transition to Class D amplification and why it takes ...
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