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This US$1,975 per-monoblock asking price is a strong bargain, sitting well below the typical used market of US$2,600–US$2,900 per pair (roughly US$1,300–US$1,450 per unit) seen in recent sales. While a pair recently sold for US$2,599 and another listed near US$2,999 CAD (about US$2,200 USD), your single-unit price at US$1,975 is significantly lower than the median per-channel value, making it an excellent timing opportunity for a first-generation Class AB1 tube monoblock that has since been replaced by newer Cary designs.
The SLM-100 remains well-regarded for its 113W into 8Ω punch, hand-wired point-to-point build, and rich, smooth tonal balance driven by KT88/6550 output tubes and polypropylene caps. Its 40-lb monoblock design delivers solid damping and wide frequency response, appealing to listeners who want tube warmth without excessive fragility. If this listing includes original tubes, granite bases, or cables, the upside is even greater; at this price, it’s a clear buying opportunity for a fellow enthusiast seeking a proven, high-current tube amp without the premium of newer models.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Cary Audio was founded in 1989 by Dennis Had in Cary, North Carolina, emerging from humble beginnings on his dining room table where he crafted his first vacuum tube projects. Driven by a passion to restore emotional depth to home music reproduction, the company quickly gained notice with icons like the CAD-300SE single-ended triode amplifier. After Billy Wright joined in 1992 and acquired full ownership in 2009 upon Had's retirement, Cary Audio evolved into a privately held American manufacturer, operating from a 10,000-square-foot facility in Raleigh with 21 dedicated employees handcrafting high-performance gear.
The brand specializes in premium amplification, spanning vacuum tube and solid-state designs, alongside digital components such as network streamers, DACs, and headphone amplifiers. While rooted in tube heritage, Cary has expanded into home theater processors and state-of-the-art digital music centers, prioritizing top-tier components for exceptional musicality across categories. Speakers, turntables, and cables remain outside their core focus, emphasizing instead amplification and source components that deliver transformative sound.
Positioned firmly in the high-end market, Cary Audio commands respect among discerning audiophiles for its reliable, value-driven products that blend superior engineering with lasting performance. As a boutique American outlier in a global field, it appeals to buyers seeking hand-built excellence at real-world prices, backed by unwavering customer service and a legacy of innovation since its inception.
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