{"product_id":"mcintosh-mc2301-vacuum-tube-monoblock-amplifier","title":"McIntosh MC2301 300-Watt Vacuum Tube Monoblock Amplifier","description":"\u003ch2\u003eMcIntosh MC2301: 300-Watt Vacuum Tube Monoblock Power\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMcIntosh MC2301 vacuum tube monoblock amplifier\u003c\/strong\u003e combines substantial output power with the dimensional, natural presentation associated with high-performance tube amplification. Rated at 300 watts into 2, 4, or 8 ohms, it is designed to control demanding loudspeakers while preserving musical texture, scale, and dynamic impact.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: The MC2301 is a single-channel monoblock amplifier sold individually. A conventional two-channel stereo system requires two MC2301 amplifiers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs the first McIntosh vacuum tube amplifier to incorporate a Quad Balanced circuit design, the MC2301 is engineered to cancel noise and distortion before they reach the loudspeaker. Its patented Unity Coupled Circuit output transformer makes the full rated output available across multiple speaker impedances, allowing the amplifier to deliver consistent performance with a wide range of premium loudspeakers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e300 watts from one vacuum tube channel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFull rated power into 2, 4, or 8 ohm loudspeakers\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad Balanced circuit design\u003c\/strong\u003e for reduced noise and distortion\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUnity Coupled Circuit output transformer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSentry Monitor™ protection\u003c\/strong\u003e with automatic reset\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBalanced XLR and unbalanced RCA inputs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMcIntosh Power Control\u003c\/strong\u003e for coordinated system operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIlluminated blue power-output meter\u003c\/strong\u003e with meter-light control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen polished stainless-steel chassis\u003c\/strong\u003e with visible vacuum tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold individually\u003c\/strong\u003e for mono, stereo, or multi-amplifier system design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e300 Watts for Demanding Loudspeakers\u003c\/h2\u003e\n\u003cp\u003eMany tube amplifiers prioritize finesse but offer limited output. The MC2301 is designed to provide both. Its 300-watt output gives it the headroom needed for large listening rooms, wide dynamic swings, and loudspeakers that require substantial current and control. Because the full rated power is available from the dedicated 2-, 4-, and 8-ohm outputs, the amplifier can be matched correctly to a broad range of speaker designs.\u003c\/p\u003e\n\u003cp\u003eIn a stereo system, one MC2301 powers the left speaker and a second powers the right. This dedicated-channel approach provides each loudspeaker with its own amplifier and power supply, supporting strong channel separation and effortless musical scale.\u003c\/p\u003e\n\u003ch2\u003eQuad Balanced Vacuum Tube Design\u003c\/h2\u003e\n\u003cp\u003eThe MC2301 was the first McIntosh tube amplifier to use the company’s Quad Balanced architecture. The design combines two complete amplifier sections and uses their opposing behavior to cancel much of the noise and distortion generated within the circuit. The result is the tonal richness and spatial presentation listeners seek from vacuum tubes, paired with the low-noise performance expected from a reference McIntosh system.\u003c\/p\u003e\n\u003ch2\u003eUnity Coupled Circuit Output Transformer\u003c\/h2\u003e\n\u003cp\u003eMcIntosh’s patented Unity Coupled Circuit output transformer is central to the MC2301 design. It couples the vacuum tube output stage to the loudspeaker while allowing the amplifier to deliver its complete 300-watt rating into 2-, 4-, or 8-ohm loads. This helps maintain consistent performance and gives system designers greater freedom when matching the amplifier with different loudspeakers.\u003c\/p\u003e\n\u003ch2\u003eSentry Monitor Protection\u003c\/h2\u003e\n\u003cp\u003eSentry Monitor™ provides fuse-less short-circuit protection for the output stage. If operating current exceeds a safe level, the protection circuit temporarily disengages the output stage and automatically restores operation when conditions return to normal. This protection is designed to safeguard the amplifier without placing a conventional fuse directly in the signal path.\u003c\/p\u003e\n\u003ch2\u003eBalanced and Unbalanced System Integration\u003c\/h2\u003e\n\u003cp\u003eBoth balanced XLR and unbalanced RCA inputs are provided, making the MC2301 compatible with a wide variety of preamplifiers and system layouts. McIntosh Power Control allows compatible components to power on and off together, while the selectable meter illumination lets the amplifier’s visual presentation be adjusted for the listening environment.\u003c\/p\u003e\n\u003ch2\u003eClassic McIntosh Presentation\u003c\/h2\u003e\n\u003cp\u003eThe MC2301 presents its vacuum tube output stage openly around the signature illuminated blue wattmeter. A black glass front panel, brushed aluminum handles, polished stainless-steel chassis, and visible tube glow give the amplifier the unmistakable appearance of a flagship McIntosh component.\u003c\/p\u003e\n\u003ch2\u003eMcIntosh MC2301 at Audio Exchange\u003c\/h2\u003e\n\u003cp\u003eAudio Exchange is an authorized McIntosh dealer in Richmond, Virginia. Our team can help determine whether the MC2301 is appropriate for your loudspeakers, room size, listening preferences, preamplifier, and overall system design. We can also assist with stereo-pair planning, equipment placement, ventilation, cabling, delivery, and installation.\u003c\/p\u003e\n\u003cp\u003eContact Audio Exchange for current availability, a private consultation, or help building a complete McIntosh two-channel system. Explore our \u003ca href=\"\/collections\/mcintosh-power-amplifiers\"\u003eMcIntosh Power Amplifiers\u003c\/a\u003e, \u003ca href=\"\/collections\/mcintosh-tube-amplifiers\"\u003eMcIntosh Tube Amplifiers\u003c\/a\u003e, and the complete \u003ca href=\"\/collections\/mcintosh\"\u003eMcIntosh Labs\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier Type\u003c\/th\u003e\n\u003ctd\u003eVacuum tube monoblock power amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Channels\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Output\u003c\/th\u003e\n\u003ctd\u003e300 watts into 2, 4, or 8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Power Band\u003c\/th\u003e\n\u003ctd\u003e20Hz to 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Harmonic Distortion\u003c\/th\u003e\n\u003ctd\u003e0.5% maximum from 250mW to rated power, 20Hz–20kHz; 0.25% or less at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal-to-Noise Ratio\u003c\/th\u003e\n\u003ctd\u003e117dB below rated output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDynamic Headroom\u003c\/th\u003e\n\u003ctd\u003e1.2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDamping Factor\u003c\/th\u003e\n\u003ctd\u003eGreater than 15 wideband\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e+0, -0.5dB from 20Hz–20kHz; +0, -3dB from 10Hz–100kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit Configuration\u003c\/th\u003e\n\u003ctd\u003eQuad Balanced, Unity Coupled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Type\u003c\/th\u003e\n\u003ctd\u003eUnity Coupled Circuit output transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003eBalanced XLR and unbalanced RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemote Power Control\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Meter\u003c\/th\u003e\n\u003ctd\u003eIlluminated wattmeter with meter-light switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeaker Connections\u003c\/th\u003e\n\u003ctd\u003e200-amp, three-way binding posts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront Panel\u003c\/th\u003e\n\u003ctd\u003e1\/2-inch black glass with handles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eOpen stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e17-3\/4 in W × 12-5\/16 in H × 23 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit Weight\u003c\/th\u003e\n\u003ctd\u003e116 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e141 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e3-year limited manufacturer warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSale Configuration\u003c\/th\u003e\n\u003ctd\u003eSold individually; two required for conventional stereo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"McIntosh","offers":[{"title":"Default Title","offer_id":45732064133167,"sku":"MC2301","price":15500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0235\/1375\/9791\/files\/mcintosh-mc2301-vacuum-tube-monoblock-amplifier-front.jpg?v=1785690601","url":"https:\/\/audio-exchange.com\/products\/mcintosh-mc2301-vacuum-tube-monoblock-amplifier","provider":"Audio-Exchange","version":"1.0","type":"link"}