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Rare Vintage NEC A-10II Integrated Amplifier (120V US Model) - Audiophile Reserve IIUp for sale is a legendary NEC A-10II (Reserve II) Stereo Integrated Amplifier in excellent cosmetic and fully functional condition.Known throughout the audiophile community for its dual-mono architecture, massive power transformers, and ultra-clean high-current delivery, the A-10 series remains one of the best-kept secrets of 1980s Japanese audio engineering.Key Highlights & FeaturesFactory 120V North American Version: Rare CSA-approved US model (AC 120V / 60Hz)—no step-down transformer required!High-Current Dual-Mono Design: Massive power supply headroom ("Reserve II") capable of effortlessly driving complex or low-impedance speaker loads.Premium Phono Stage: Includes selectable MM (Moving Magnet) and MC (Moving Coil) phono inputs for turntable enthusiasts.Versatile Connectivity: Features main-in / pre-out jacks, multiple AUX/Tuner inputs, dual tape loops, and dual speaker outputs (System A & B).Serial Number: 04X0126 (Code: 410)ConditionCosmetics: In clean condition with sharp faceplate lettering, original solid metal knobs, and minimal signs of wear for its age. Please review the high-resolution photos for exact cosmetic detail.Functionality: Operating properly across all inputs and speaker terminals.SpecificationsPower Output: 60W + 60W into 8Ω / 120W + 120W into 4ΩFrequency Response: 5Hz to 300kHzPower Consumption: 210W / 420VAOrigin: Made in Japan (NEC Corporation, Tokyo)IncludedNEC A-10II Integrated Amplifier with attached original heavy-duty power cordPackaging & Shipping: Due to the massive weight (over 50 lbs.) and delicate internal components of this unit, we will have to discuss the shipping charges and insurance.FREE pick-up in Riverwoods, IL
This is an older, discontinued design, so timing matters mainly if you want a classic Japanese integrated with a strong reputation rather than the convenience of a newer model. At US$1,250, it lands well below the US$1,588 25th percentile and far under the US$1,926 median, so this reads as a strong buy rather than a merely fair one.
The A-10 is respected for punchy, authoritative drive and a lively, full-bodied presentation that pairs well with many vintage and modern speakers. The upside here is value: if it’s clean, original, and properly functioning, you’re getting a serious integrated at a bargain price. Just verify the usual basics for an age-appropriate amp—quiet controls, healthy channel balance, and no service-history surprises—but nothing about the asking price itself raises a red flag.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
NEC, short for Nippon Electric Company, was founded in Tokyo, Japan, in 1899 as a joint venture with Western Electric. While best known globally for telecommunications, computing, and semiconductors, NEC also built a serious consumer-audio business during the 1970s and 1980s, when Japanese electronics firms were competing hard in hi-fi.
In audio, NEC was associated mainly with integrated amplifiers, preamplifiers, receivers, tuners, and some source components, including turntables in certain markets. Its best-known enthusiast line was the Authentic series, which was positioned around clean, low-noise, technically refined amplification rather than flashy styling or mass-market breadth. NEC was not a major loudspeaker or headphone brand, and it was never especially identified with cables or modern digital audio gear.
Today, NEC’s audio reputation is largely vintage and collector-driven. The brand is respected for underrated, well-engineered Japanese hi-fi from the classic era, especially among buyers who value solid build and an understated, neutral presentation. It sits more in the niche vintage-audiophile category than in the mainstream high-end, and its audio legacy is stronger among collectors than in current retail hi-fi.
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