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Per Abholung
This is a buyer’s market for vintage Proton gear right now, and the €750 asking price for the Proton AA-1150 is slightly ambitious but not unreasonable. Based on our ground truth from four recent EUR listings, the median used price is €680, with the 75th percentile at €715—so €750 sits just above that upper range. It’s not a bargain, but it’s within the realm of fair value for a clean, tested unit, especially if it’s original-owner condition.
The AA-1150 is well-regarded for its dual-mono design, 50W per channel into 8 ohms, and remarkably low distortion (0.015% THD), delivering punch and clarity that still rivals modern amps. Its large power meters and vintage aesthetic add charm, and original-owner units with minimal wear are increasingly rare. If this listing includes accessories and is fully refurbished, the €750 price becomes a solid buying opportunity for a fellow enthusiast seeking performance, character, and vintage reliability.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Proton Electronic Industrial Co., Ltd. emerged from Taiwan in 1981, establishing its base in Banciao, Taipei-Hsien, as a manufacturer targeting the U.S. consumer audio market with high-quality components. Linked to Fulet Electrical, which produced notable NAD amplifiers, the brand launched around 1984 to expand into consumer electronics, including acclaimed TV monitors like the 600M and 602M models. By 2009, it remained active, building on a heritage of precision engineering from shared facilities with brands like NAD and Dynaco.
The company focused on premium hi-fi gear optimized for real-world performance, emphasizing tuners, receivers, amplifiers, and integrated systems that drove everyday loudspeakers with exceptional clarity. While not delving into headphones or cables, Proton's lineup prioritized robust playback under practical listening conditions, from radio reception to vinyl and cassette sources, earning praise for its engineering rigor in the 1980s.
Proton holds a solid reputation in vintage hi-fi circles as a mid-tier powerhouse, favored by collectors for its reliable, high-value sound that punched above its price point. Positioned as an accessible alternative to elite brands, it appeals to discerning buyers seeking durable, no-nonsense performers rather than boutique exotica, with ongoing interest in its schematics and restored units.
See all Proton listings on RADAR.
