RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
At US$599, this is a strong deal: it sits roughly 37% below the US$950 median and well under the US$911 25th-percentile mark from 11 recent comparables. Assuming it is the actual SA-31 rather than the later SA-31MK, the price leaves substantial room versus the typical used market.
The appeal is a musically engaging hybrid design: tube circuitry adds warmth and harmonic texture, while the solid-state side keeps the presentation reasonably controlled and responsive. It also offers four RCA line inputs, recording output, and useful switchable bass, treble, and loudness controls—handy rather than gimmicky in a real system. Because the listing gives no condition detail, confirm quiet operation, clean switching, functioning controls, and the correct tubes before buying; even with that uncertainty, US$599 is compelling if it works properly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Vincent Audio is a German hi-fi brand founded in 1995 by Sintron Distribution GmbH in Iffezheim, with product development continuing in Germany under the leadership of Sintron's CEO. The brand emerged from engineer Frank Blöhbaum's expertise in electronics and semiconductor physics, who formalized a development agreement with Sintron in 2006 that catalyzed the company's signature innovations. Vincent expanded internationally when Pangea Audio Distributing became its North American distributor in 2008, establishing the brand's presence beyond its European stronghold.
Vincent Audio specializes in two-channel stereo amplification and source components, with particular emphasis on hybrid and solid-state amplifiers, preamplifiers, integrated amplifiers, CD players, and digital converters. The brand is renowned for its hybrid technology—combining tube input stages with solid-state output sections—which delivers the warmth and musicality associated with tube electronics while maintaining the clarity, power delivery, and dynamic range of transistor designs. Their solidLine products employ pure transistor architecture for precise, airy sound, while the powerLine hybrid range represents the company's flagship offering.
Vincent Audio occupies the high-end market segment, distinguished by exceptional price-to-performance value rather than ultra-premium positioning. The brand has cultivated a devoted following among experienced audiophiles and remains one of Germany's last independent hi-fi manufacturers, though it remains relatively obscure in Anglo-American audio press despite widespread availability and consistent critical recognition in European and specialist publications. Their reputation rests on meticulous German engineering, authentic sound reproduction, and the ability to deliver high-end sonic performance at genuinely competitive price points.
See all Vincent Audio listings on RADAR.
