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This is a 1994-era Accuphase, so timing matters mostly as an age check: you’re buying into a classic high-end integrated, not a current-model convenience piece. At US$2,799, the ask looks ambitious unless the unit is unusually clean, fully serviced, and boxed with original accessories; for a model this old, I’d want to be closer to typical used-market territory before calling it a straightforward buy.
What makes it worth chasing is the combination of 170 Wpc, serious build quality, and the kind of refined, low-stress control Accuphase is known for. The upside is strongest if this is an original-owner piece with documented servicing, because well-kept E-406s can still be very satisfying as a powerful, upscale one-box amp. At this price, I’d verify all inputs, relay behavior, and service history before moving fast.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Accuphase Laboratory, Inc., founded in 1972 in Tokyo by brothers Nakaichi and Jiro Kasuga, emerged from their departure from Trio-Kenwood, the company they had co-established decades earlier. Dissatisfied with mass-production compromises, the Kasugas formed Kensonic Laboratories—later renamed Accuphase Laboratory—and relocated to Yokohama in 1973. The brand name, blending "accurate" and "phase," reflected their commitment to precision audio reproduction amid the 1970s hi-fi boom. Their debut products, the P-300 power amplifier, C-200 preamplifier, and T-100 tuner, immediately earned acclaim, including Japan's Compo Grand Prix for the P-300.
Accuphase specializes in high-end electronics, renowned for integrated and power amplifiers, preamplifiers, tuners, CD players, and digital sources like DACs. While their core strength lies in meticulously engineered amplifiers celebrated for phase accuracy and reliability, the lineup extends to digital components, mains filters, and room correction units. Hand-assembled in Yokohama with top-tier parts and innovative circuits, these products prioritize sound purity over volume, eschewing speakers, turntables, headphones, or cables.
Positioned firmly in the ultra-premium high-end market, Accuphase commands reverence among audiophiles for its timeless build quality, engineering excellence, and enduring performance. Synonymous with Japanese hi-fi mastery, it stands as a reference benchmark, appealing to discerning buyers seeking components that deliver uncompromised musical fidelity and last for generations.
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