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This is a clear buyer’s market for the Aragon 4004 right now, and the US$600 asking price is a strong deal. Based on your GROUND TRUTH data from five recent comparable USD listings, the median is US$800, the 25th percentile is US$700, and the 75th percentile is US$840. Since US$600 sits well below the 25th percentile, this is a genuine bargain—significantly cheaper than the typical used market for this product in USD.
The Aragon 4004 is a well-regarded vintage dual-mono solid-state amplifier designed by Dan D’Agostino, famous for its Krell work. It delivers 200 watts per channel at 8 ohms, doubling to 400 watts at 4 ohms, and can drive almost any speaker with authority. At this price, buyers get a clean, high-performance unit with rare timing and original-owner appeal, making it a prime buying opportunity rather than a risky pickup.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Aragon emerged in the mid-1980s as a bold American audio brand under Mondial Designs, with its inaugural 4004 amplifier launching in 1987 and the iconic 8008 following soon after, forever altering high-fidelity sound reproduction through innovative engineering like the signature V-notch heatsink. Founded with a no-compromise ethos by leaders including Tony Federici, it prioritized pure sonic performance over gimmicks, setting industry trends rather than chasing them. Acquired by Klipsch around 2001-2006 and later shuttered, the brand was revived in 2009 by U.S.-based Indy Audio Labs, which relaunched it in 2013 with modern updates while honoring its heritage.
The brand focuses squarely on high-performance power amplifiers, exemplified by the 200Wpc dual-mono 8008 and premium Iridium monoblocks, alongside sophisticated processors like the Soundstage preamp capable of audiophile-grade decoding for Dolby Digital, DTS, and beyond. All products are designed and handcrafted in the USA, emphasizing fully decoupled power supplies, IC-free signal paths, and robust machined aluminum construction for superior thermal management and durability.
Aragon holds a revered position in the high-end market as a vintage-inspired powerhouse for discerning audiophiles, blending timeless reliability with contemporary software-upgradable features like Ethernet control. Its reputation for unadorned excellence—beautiful, powerful, and easy to operate—earns consistent praise from outlets like The Absolute Sound and Stereophile, appealing to buyers seeking reference-level amplification without excess.
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