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This is a buyer’s market only if you can negotiate; at US$7,499, it sits a bit above the US$6,899 median and just over the US$7,180 75th percentile, so the ask is ambitious, not a steal.
That said, it’s still within striking distance for a respected tube power amp like this, and the appeal is in the combination of big, authoritative drive with the dimensional, harmonically rich presentation people chase in this category. If the unit is clean, quiet, and properly serviced, the real upside is getting into a serious high-end amplifier without paying full-new pricing; I’d just want confirmation on tube hours, bias stability, and whether any accessories or recent maintenance are included before leaning in.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Zesto Audio is a California hi-fi brand founded in 2011 by George and Carolyn Counnas. It grew out of George Counnas’s long-standing interest in vacuum-tube electronics, and the company’s own materials emphasize that heritage, including research into classic tube circuit designs from the 1930s.
Zesto is best known for tube-based electronics, especially phono stages, preamplifiers, and power amplifiers. The brand’s lineup has also included high-end mono power amplifiers and related analog-front-end components, with a strong focus on vinyl playback and traditional audiophile signal chains rather than speakers, headphones, or mass-market accessories.
In the market, Zesto sits firmly in the high-end, niche boutique category. Its products are positioned for serious audiophiles willing to pay for refined tube sound, careful engineering, and low-volume craftsmanship. Reviews and pricing place it well above mid-tier audio, with a reputation for premium, enthusiast-oriented components rather than broad consumer appeal.
See all Zesto Audio listings on RADAR.
