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£235 is above the current fair-used band for this one; it looks ambitious rather than a buy-it-now deal. With recent comparables sitting around a £154 median and £195 at the 75th percentile, this asks a noticeable premium, so I’d only pay it if the cosmetic and operational condition is genuinely excellent.
That said, the TRM-500 is a nicely regarded late-70s integrated: modest power, but a musical, vintage-voiced amp with enough charm to matter if you want a compact classic. At this price, the buyer should want proof of clean pots and switches, no channel imbalance, and evidence it’s been serviced or at least thoroughly checked, because the value case here depends on condition carrying the weight.
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.
