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Museum piece excellent ++++++ condition Mc275 power amp being sold by original owner purchased brand new in the box from Harvey Radio NYC 1970. . All original tubes including GENALEX KT88 power tubes . Shop tested putting out 75 plus watts per channel . All original never modified and have the original Box . This unit is in a working . Non smoking non pet climate controlled environment. If it wasn’t for the normal small pitting around the fuse post it would be mint condition as shown in the photos .
The MC275 remains one of McIntosh’s most admired classic tube amplifiers, but US$8,500 is clearly ambitious here. Recent comparable asking prices center around US$5,200, with the upper quartile at US$5,706, so this listing sits roughly US$2,800 above the median and well beyond the normal range. Unless it is an exceptional, fully documented example with unusually desirable vintage or restoration history, the price is difficult to justify.
Its appeal is real: the MC275 delivers the spacious, authoritative presentation and distinctive McIntosh build quality that make this design a lasting reference among tube enthusiasts. Before considering it, verify the exact generation, originality, transformer and serial details, service history, tube complement, and operating condition. At a price closer to US$4,500–US$5,700, it would be a compelling buy; at US$8,500, patience is warranted.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
McIntosh Laboratory, founded in 1949 in the United States by Frank H. McIntosh and Gordon Gow, embodies a storied heritage of American audio innovation. Originally based in Silver Spring, Maryland, before relocating to Binghamton, New York, where products are still handcrafted today, the brand emerged from a commitment to superior sound reproduction. From powering President Lyndon Johnson's inauguration to the Grateful Dead's Wall of Sound at Woodstock, McIntosh has shaped pivotal moments in music history and pop culture, earning its place as a cultural icon.
The company specializes in a comprehensive lineup of high-fidelity components, including renowned amplifiers—particularly its revered tube models for their warm, enveloping sound—along with solid-state power amps, stereo tuners, loudspeakers, turntables, music streamers, processors, and digital-to-analog converters. This breadth supports both two-channel stereo systems and multi-channel home theaters, delivering immersive experiences in music and film. Iconic blue watt meters on their gear have become globally recognized symbols of precision and power.
Positioned firmly in the high-end market, McIntosh commands respect among discerning audiophiles for its uncompromising quality, luxurious build, and timeless design. Far from mid-tier or niche boutique, it stands as a premium benchmark, favored by legendary musicians and producers across decades, blending vintage allure with modern performance for those who demand the ultimate in sonic fidelity.
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