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Marantz Model 500 power amplifier mid 1970's - silver faceplate
Speakers Marantz Model 6-G 9 views

Marantz Model 500 power amplifier mid 1970's - silver faceplate

USD$4,100
Location
US
Source
Reverb
Posted
25 Sep 2026
Last seen
50m ago

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Seller's Description

Iconic Marantz power amp. Recent service included changing ALL transistors. Some capacitors have been changed, not fully recapped. Amazing sound presence with a minimal pre amp. I do have copies of all work performed which I can email to any prospective buyer. An identical unit just sold two weeks ago at auction, $3700 not tested. This dollar figure does not include a 15% auction fee, sales tax and shipping, for a total of $4900 minimum, unplugged, not tested!!!!!!!!!. If you are in the Western United States it is worth while to stop by and listen.. If shipped it will be double boxed with plenty of foam cushioning. If not satisfied, full refund upon request, you will need to pay for any return shipping cost

Our Thoughts RADAR AI

US$4,100 is ambitious for this model; it sits well above the typical used market anchored around a US$900 median and even the US$2,000 75th percentile. That’s the kind of asking price that needs exceptional originality, condition, or provenance to feel justified.

The good news is this is a respected vintage Marantz speaker with real collector appeal, and clean examples can sound lively and distinctive when properly sorted. At this level, a buyer should want proof of originality, intact drivers, solid surrounds, and any service history, because the upside is in finding a genuinely well-preserved pair—not in paying top-of-market for a tired one.

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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