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Angeboten wird „audio research i50“ von Audio Research als Ausstellungsstück aus der Kategorie „Röhren-Vollverstärker“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 9714198597 endet am 10.10.2026 um 09:36 Uhr.
At €4,250, this Audio Research I/50 is a genuine bargain, sitting well below the 25th percentile of €3,267 and far under the median of €5,139 seen in recent EUR listings. This is not just a fair price; it is a strong deal that offers immediate value for any tube-amplifier enthusiast.
The I/50 is well-regarded for its 50W output from two JJ 6550 tubes, delivering rich, dynamic sound with low distortion and wide frequency response. Its compact, elegant build and entry-level positioning—yet high-end performance—make it a standout choice. At this price, especially in good condition, it’s a clear buying opportunity with meaningful upside for timing and rarity, offering classic tube warmth without the usual cost.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Audio Research Corporation, founded in 1970 in Minneapolis, Minnesota, by William Z. Johnson, traces its roots to his pioneering work in custom audio electronics during the 1950s and his operation of a specialty retail store through the mid-1960s. After a brief stint selling his designs to a larger firm, Johnson regained independence to establish ARC with a singular mission: advancing the state-of-the-art in music reproduction. From modest beginnings in the back of his shop, the company evolved into one of America's oldest continuously operating high-end audio manufacturers, now housed in a state-of-the-art 48,000-square-foot facility in Maple Grove, Minnesota.
ARC specializes in performance-driven electronics, renowned for vacuum-tube amplifiers, preamplifiers, and electronic crossovers that emphasize sonic purity over flashy features or aesthetics. Drawing on circuit designs rooted in the 1950s, the brand integrates tubes into modern contexts, delivering what it calls "high definition" sound through genuine technological advances. While not venturing into speakers, turntables, DACs, headphones, or cables, ARC's focused lineup prioritizes amplifiers and preamps that set benchmarks for musical realism.
Positioned at the pinnacle of high-end audio, Audio Research is hailed as a true originator of the genre, commanding respect among audiophiles for its unwavering commitment to excellence and innovation. Enduring the 1970s tube revival against solid-state dominance, ARC thrives via elite specialist retailers worldwide, standing alongside peers like Conrad-Johnson as a vintage-inspired yet forward-thinking force in the niche boutique market.
See all Audio Research listings on RADAR.
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