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US$700 is a solid buy and lands a bit under the US$750 median, comfortably inside the normal used range for this amp. It’s not a steal on paper, but it is priced attractively enough to move quickly if the unit is clean and functioning properly.
The dna-0.5 has a strong reputation for being musically open, quick, and surprisingly authoritative for a modest-sized stereo power amp, which makes it a nice match for revealing speakers and systems that value control over warmth. At this price, the upside is a straightforward, no-drama entry into a respected McCormack piece; just make sure the basics are covered, since age-related service history and stable channel operation matter more than cosmetics here.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
McCormack Audio is a U.S. hi-fi brand founded by designer Steve McCormack, best known for its work in high-performance solid-state amplification. The company was active through the 1990s, and a Stereophile report notes that McCormack Audio was acquired in July 1998 by Bill Conrad and Lew Johnson. The brand has since become more closely associated with McCormack’s earlier classic designs and their long afterlife in the used market.
Its core identity has always been amplifiers and related electronics, especially power amplifiers and preamps. McCormack is not known as a speaker, turntable, DAC, headphone, or cable brand; its reputation rests mainly on transistor amplification and, later, aftermarket upgrades and service support for existing components through Steve McCormack’s later SMc Audio activities. That narrower focus is part of the brand’s appeal to serious enthusiasts.
In market terms, McCormack sits in the high-end but niche category, with particular significance among vintage and used-gear buyers. It is valued for muscular, well-engineered amplification rather than broad product breadth, and it has a cult following among audiophiles who appreciate classic American solid-state design. Today it is best understood as a respected legacy brand rather than a mainstream active manufacturer.
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