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This is a niche but genuinely useful bench accessory, and at US$38 it looks like a strong bargain versus the recent used market: well below the US$950 25th percentile and far under the US$1,975 median. For a small, practical test lead, that’s an easy price to like.
The value here is simple: it lets you bias-output tubes safely and conveniently, which is exactly the kind of thing Cary owners and tube-tinkerers appreciate. If the clips are intact and the TS plug is clean, this is the sort of low-cost accessory that pays for itself in one session; at this price, the main thing to verify is basic continuity and that it matches your amp’s bias setup.
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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