"...compared to the darTZeels', the Ypsilons' images were somewhat more gracefully rounded, more three-dimensional, and texturally more supple."
Ypsilon's Aelius is a most unusual amplifier, offering measured performance that in many ways is typical of a classic tube amplifier, but with an ability to drive low impedances usually associated with solid-state designs. Its sound quality will very much depend on the input tube fitted. Like MF, I preferred the NOS Siemens C3g. — John Atkinson
Download the Ypsilon Aelius II Review by Stereophile (PDF).
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