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Commercial McIntosh MC312 Power Amplifier BRAND NEW UNIT, NEVER UNBOXED!!! SPECIFICATIONS ELECTRONIC SPECIFICATIONS FTC Power Output Rating 300 W Power Output per Channel 300 W into 2, 4 or 8 ohms Number of Channels 2 Total Harmonic Distortion 0.005% S/N below rated output Balanced: 120dB Unbalanced: 118dB Dynamic Headroom 2.3dB Damping Factor >40 Wideband Rated Power Band 20Hz to 20kHz Frequency Response +0, -0.25dB from 20Hz to 20kHz +0, -3.0dB from 10Hz to 100kHz CONTROL Remote Power Control Yes Multi-Channel DB25 Cable N/A CONNECTIVITY Speaker Binding Post Type Patented Solid Cinch
The McIntosh MC312 stands out for its rock-solid 300W-per-channel delivery into any load, those iconic blue meters, and monogrammed heatsinks that scream build quality for the long haul. At AUD13,990 for an unknown-condition unit, this asking price feels ambitious bordering on steep—new ones retail around AUD19,500 locally, but solid used examples in excellent shape typically trade in the AUD10,000-12,000 range based on recent international sales adjusted for our market.
Before biting, insist on a full demo to check for output transistor issues common in high-power Macs if overheated, and verify the Sentry Monitor engages properly on startup. Confirm original box, power cord, and manual are included, plus service history—units over 5-7 years warrant a bias/current check by a tech to avoid nasty surprises down the line.
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.
See all McIntosh listings on RADAR.
