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McIntosh

McIntosh MC452 Power Amplifier

$7,500.00

The McIntosh MC452 is a high-performance stereo power amplifier delivering 450 watts per channel into 2, 4, or 8 ohms, thanks to McIntosh's Autoformer technology. Known for its iconic blue watt meters, quad-balanced design, and impeccable build quality, the MC452 offers clean, dynamic, and detailed sound. It's a favorite among audiophiles seeking powerful yet refined audio reproduction in a solid-state amplifier.

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About the McIntosh MC452 Power Amplifier

The McIntosh MC452 is a high-power, dual-channel solid-state power amplifier representing the pinnacle of the brand's engineering for demanding home audio and professional monitoring applications. This amplifier is engineered to deliver exceptional power reserves, with each channel capable of outputting 450 watts into 2, 4, or 8-ohm loads, ensuring stable, uncompromised performance with virtually any loudspeaker, regardless of impedance swings or complex loads. It utilizes McIntosh's proprietary Autoformer™ technology, a custom-wound output transformer that provides perfect impedance matching to the connected speakers, maximizing power transfer and ensuring consistent sonic character regardless of the speaker's nominal impedance. This results in an amplifier that is both immensely powerful and uniquely flexible, capable of driving even the most demanding loudspeakers with effortless control and dynamic authority.

At the heart of the MC452's performance is its advanced solid-state circuitry, designed for ultra-low distortion, wide bandwidth, and high damping factor to provide precise control over speaker drivers. The amplifier incorporates sophisticated protective monitoring systems, including Sentry Monitor™ and thermal tracking, which safeguard the amplifier and connected speakers without intruding on the audio signal. Its iconic appearance features a polished stainless-steel chassis, a black glass front panel, and the signature blue backlit power meters (watts and output levels), which are not only visually striking but also provide real-time monitoring of the amplifier's output. The build quality is exceptional, with hand-built construction in Binghamton, New York, ensuring long-term reliability and performance.

The MC452 is designed as a reference component for audiophiles and professionals who require absolute fidelity and immense power. It offers both balanced (XLR) and unbalanced (RCA) inputs for versatile system integration. Its massive power supply and robust output stages ensure that it can reproduce musical transients with stunning impact and clarity, even at very high volume levels. As a cornerstone of a high-end audio system, the McIntosh MC452 delivers a combination of brute force, refined sonic detail, and timeless aesthetics that has made the brand a benchmark in high-performance audio for decades.

Key Features

McIntosh MC452 Power Amplifier Specs

Amplification & Power
Channels
2 (Stereo)
Power Output (8Ω)
450W per channel
Power Output (4Ω)
450W per channel
Power Output (2Ω)
450W per channel
Technology
Solid State with Autoformer™
Performance Specifications
Frequency Response
20Hz - 20kHz (+0, -0.25dB)
Total Harmonic Distortion
<0.005%
Signal to Noise Ratio
122dB
Damping Factor
>40
Inputs & Connectivity
Inputs
Balanced (XLR) & Unbalanced (RCA)
Outputs
Heavy-Duty 5-way Binding Posts
Physical & Build
Construction
Hand-Built in USA, Stainless Steel Chassis
Front Panel
Black Glass with Blue Watt Meters
Dimensions
Full-width, high-profile component
Weight
Approximately 200 lbs (91 kg)
Features & Protection
Metering
Backlit Blue Watt & Power Output Meters
Protection Circuits
Sentry Monitor™, Thermal Tracking
Power Requirement
Standard 120V/240V AC

Key Features

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