“The only thing better than a review that writes itself is a product with a compelling story. Although the latter asks a little more of us here, it’s usually the more enduring pleasure.

So it goes with the new AX-5 amplifier ($9950) from Ayre Acoustics, in which designer Charles Hansen has both revived an overlooked technology from a half-century ago and brought to market a more affordable embodiment of one of his own most well-received products.”

Read the full review here: