EAR Yoshino 890

The reviewer calls the 890 “empty of artifacts,” “ultra quiet,” and grainless, comparing its purity to great OTL designs. Violin textures are described as delicate and layered, while the presentation remains smooth rather than syrupy.

The review finds utter smoothness from the lowest bass through the top octaves, with no apparent emphasis or discernible coloration. Its delicate, suggestively real instrumental tone and “maximally tuneful” character point to a notably natural and involving presentation.

The 890 reportedly showed no compression at high levels and more apparent headroom than any 6550 or EL34 design the reviewer had encountered over decades. Bass control was nearly on a par with Pass solid-state monoblocks, while its microdynamics were singled out as special.

Right-to-left spread reportedly equalled the reviewer’s monoblocks, while imaging and depth were better. Imaging specificity was called top notch, supported by natural, analog-like textures.

This is a compact but substantial 60-pound pure-Class-A push-pull design using four KT90s per channel, with a stated damping factor above 30. Practical execution is unusually thoughtful: balanced and single-ended inputs, accessible binding posts, bridge mode, automatic output-tube biasing, and only slight operating warmth are all noted.

At its reviewed $5,000 price, the writer considered it less costly than much tube exotica and explicitly called it cost effective. That verdict was supported by performance said to rival costly monoblocks, unusually broad speaker compatibility, and the convenience of obtaining it all in one chassis.