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Seller's Description

Very nice Marantz 510M two channel power amplifier. Unit sounds absolutely fantastic. This was acquired from the original owner. Please vi photos for a better idea of condition.

Our Thoughts RADAR AI

This US$2,350 asking price for the 1970s Marantz is clearly ambitious, sitting far above the US$999 75th percentile and the US$895 median from your ground-truth database of 13 comparable used listings. While high-end vintage Marantz receivers like the 2270 can legitimately reach US$2,500 or more in pristine, original-owner condition, this price is only justified if the unit is flawless and includes rare accessories; otherwise, it risks being overpriced relative to the typical US$649–US$999 market range.

The Marantz 1970s line remains well-regarded for its warm, musical sound, striking aesthetics, and robust build quality, making it a worthwhile buy for enthusiasts seeking authentic vintage hi-fi with genuine upside if acquired at a fairer price. However, at US$2,350, buyers should verify the condition rigorously, confirm included accessories like the original remote or manual, and ensure there are no common age-related failures such as capacitor drift or worn switches before committing.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Marantz

Marantz originated in the United States, founded in 1953 by Saul Bernard Marantz, a music enthusiast and amateur musician born in Brooklyn in 1911. Dissatisfied with the audio equipment of the era, he crafted the groundbreaking Audio Consolette preamplifier in 1952 from his New York home, selling the first 100 units rapidly and prompting the formal establishment of the company in Woodside, Queens. Though production later shifted to Japan in partnership with manufacturers like Standard Radio in 1966, and the brand evolved through ownership changes including Superscope and eventual integration into larger groups, its heritage remains rooted in American ingenuity and a relentless pursuit of musical fidelity.

The brand excels in high-end audio components, particularly amplifiers, preamplifiers, and integrated systems that defined its golden era. Iconic models like the Model 7 preamplifier (1958), Model 9 power amplifier (1960), and Model 10B tuner (1964) set benchmarks for performance, while later offerings expanded to tuners, receivers, and CD players. Marantz briefly ventured into speakers under designer Ed May in the 1970s but focused primarily on electronics rather than turntables, headphones, DACs, or cables, emphasizing separates renowned for their "Most Musical Sound."

Marantz commands a premium position in the hi-fi market, revered as a high-end pioneer that shaped the audiophile landscape through the 1970s zenith. Today, it blends vintage allure with modern elegance, appealing to discerning buyers who value durability, innovation, and warm, detailed sound signatures over mass-market accessibility.

See all Marantz listings on RADAR.

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