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Unknown condition makes the price slightly harder to judge, but at USD 80 this is a strong deal against the comparable market: it sits below the USD 81 25th-percentile mark and well under the USD 170 median. Assuming it is genuinely working, the asking price is bargain territory rather than merely fair.
The AMP One is a capable, no-nonsense power amp with useful headroom, individual level controls, and stereo/bridged operation; the later AMP One/A version is rated around 80 watts per channel into 8 ohms and 200 watts bridged. Its reputation rests more on solid drive and value than glamour, which makes the dual meters and practical flexibility a nice bonus. At this money, verify both channels, meter illumination, quiet operation, and the bridge switch, but a clean, fully functional example is an easy buy.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Dual emerged from the Black Forest region of Germany in 1907, when brothers Christian and Joseph Steidinger began manufacturing clockwork and gramophone components in St. Georgen. The company adopted its now-iconic name in 1927 after pioneering dual-mode power supplies that allowed gramophones to operate from either mains electricity or mechanical wind-up mechanisms. This innovation marked the beginning of Dual's transition from component supplier to full-fledged audio manufacturer, establishing a foundation of engineering precision that would define the brand for decades.
Dual built its reputation primarily as a turntable specialist, becoming Europe's largest turntable manufacturer by the post-war era with over 3,000 employees across multiple factories. Beyond vinyl playback, the company expanded into cassette players, CD players, and broader consumer electronics throughout the 1970s and 1980s, demonstrating versatility across analog and digital formats. The company's focus on mechanical excellence and stable drive systems earned it recognition as a dependable, quality-focused manufacturer throughout its European heyday.
Today, Dual occupies a fragmented market position following corporate restructuring in the 1990s and subsequent ownership changes. The original German turntable line continues production in St. Georgen under Alfred Fehrenbacher GmbH, maintaining traditional manufacturing standards and appealing to vintage enthusiasts and collectors. Separately, Namsung Electronics markets Dual-branded consumer electronics in the Americas at accessible price points. The brand's legacy rests primarily on its classic turntables, which remain highly sought after by collectors and audiophiles valuing precision engineering and heritage craftsmanship.
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