Join us for an interesting and informative afternoon with Ralph Karsten, founder and CEO of Atma-Sphere. Ralph will discuss his background, how he got into the HiFi business, his unique approach to amplifier design and the latest product line he’s working on – a class D GaN amplifier.  It should be an fascinating discussion how he’s decided to add such a different design choice in comparison to his OTL tube amplifiers.

From their website:

Atma-Sphere is a small company in Saint Paul,

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