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This is a beautiful MC-275 MK VI. Great condition with a few small marks on the transformers. Original McIntosh tubes. ships in the original box with all of the original kit.The McIntosh MC275 Mark VI is a legendary 75-watt-per-channel vacuum tube stereo power amplifier that blends classic mid-century heritage with modern circuit refinements. It retails for approximately $7,500 to $8,000 USDSpecs:Response: 20-20kHz (+0 -0.5dB), 10-100kHz (+0,-3dB). Distortion: 0.5%. Noise & Hum: -105dB (A weighted). Output Impedance: 4, 8, 16 ohms. (2, 4, and 8 ohms in mono). Damping Factor: greater than 22.Input Impedance: 47k Unbalanced, 20k Balanced. Input Sensitivity: 1.7 V Unbalanced, 3.4 V Balanced. Unity Coupled. Power Requirements: 120V at 3.6 Amps
The MC275 is a classic for a reason, but at US$6,000 this asking price sits above the US$5,500 75th percentile for recent comps, so it reads as ambitious rather than a bargain. It is not absurd if the piece is especially clean or well-documented, but it is clearly priced at the top end of the current used market.
What makes it worth chasing is the combination of warm, authoritative tube sound, strong resale demand, and the fact that good examples tend to stay desirable for years. If it’s an original-owner unit with solid service history, matching tubes, and the right accessories, the premium can make sense; if not, there should be room to negotiate.
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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