I recently bought a NAD 3020 integrated amplifier on eBay for $66. The little amp was a smash hit in 1980 and instantly put NAD on the map. While the amp made its reputation as a giant killer, it's not very big--just 16 by 3.75 by 10 inches. And the look is bare-bones basic. The sound is something else again; as soon as I fired it up I remembered why budget-minded audiophiles bought more than a half million 3020s in about three years, making it the best-selling integrated amp of all time.
It was rated at just 20 … Read more