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Vintage Nikko Alpha II Stereo Power Amplifier 120WPC Japan Black VU Tested
The asking price of US$620 is a touch above the typical used market, so it reads as a mildly ambitious but still plausible ask rather than a bad buy.
This is a well-regarded, no-nonsense stereo power amp with the kind of straightforward, muscular presentation many vintage-hifi fans still like for driving real-world speakers. If it’s clean, fully working, and ideally from a careful owner with no repair history, the appeal is in getting a solid classic amp that should be easy to live with and enjoyable to use. At this level, a buyer should mainly confirm condition, channel balance, and that any knobs, switches, and terminals are intact, since cosmetic or service issues would push it out of fair-value territory quickly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Nikko Audio emerged from Nikko Electric Industry Co., founded in 1933 in Kanagawa, Japan, initially as a manufacturer of fuses and electrical equipment for the national railroad. Post-World War II, the company expanded into communications technology, entering the hi-fi market in the late 1960s through the influence of an audiophile family member with exceptional hearing. This Japanese heritage fueled a brief but notable run of precision-engineered audio components before the brand shuttered its audio division amid the 1990s market downturn.
The brand focused primarily on amplifiers, producing standout series like the Alpha line of power amps from the late 1970s and early 1980s, and the high-end TRM series, including the 1975 TRM-800 integrated stereo amplifier with its robust 65 watts per channel output, NEC power transistors, and stability down to 4 ohms. Tuners such as the FAM-600 and compact hi-fi gear rounded out their compact-form-factor offerings, emphasizing clean circuit design and no-frills power over expansive categories like speakers, turntables, or modern digital components.
Today, Nikko holds a cherished position among vintage collectors, prized for its build quality and dynamic sound that rivals contemporaries from more prominent Japanese marques. Though limited in distribution during its era, these components endure as attainable high-fidelity treasures, evoking the golden age of Japanese amplification engineering.
See all Nikko listings on RADAR.
