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McIntosh MC462 Power Amplifier with Power Guard®

Updated: Jan 3, 2023

The MC462 delivers the high-quality iconic sound you know and love, that is McIntosh.

Just one MC462 Amplifier can single-handedly power a world class home audio stereo system. There is no company in the industry that delivers quite like McIntosh, and the MC462 is no different.

The McIntosh MC462 is equipped with high quality exclusive technologies that will not disappoint. Leading with the Power Guard®, it was created to monitor and adjust the input signal in real time so you will never experience harsh sounds while also avoiding potential damage to your newest prized possession.

You will find it is easy to power on or off other McIntosh connections with the unique Power Control feature. When you choose the McIntosh MC462 you are protected from potential shorts with the patented Solid Cinch™ speaker binding posts. The Solid Cinch™ securely prevents cables from coming loose and causing a short. McIntosh pulled out all the stops to deliver top notch sound with the classic vintage aesthetic, guaranteed to be the perfect stereo amplifier.

BLISSFUL SOUND Experience stereo bliss with the MC462 Amplifier. The MC462 replaces the highly regarded MC452 as McIntosh's most powerful stereo amplifier. The McIntosh MC462 features a robust output of 450 Watts per channel. With a dedicated McIntosh Autoformer™ connected to each audio channel, the full 450 Watts is available to any speaker regardless if it has 2, 4 or 8 Ohm impedance. Just one MC462 Amplifier can single-handedly power a world class home audio stereo system.


  • Power Guard® that monitors and adjusts the input signal at the speed of light and makes real time adjustments to prevent harsh sounding and potentially speaker damaging clipping

  • Sentry Monitor™ - A fuse-less short-circuit protection circuit that disengages the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal Quad Balanced design that cancels virtually all noise and distortion that may have crept into the audio signal

  • Power Control to send power on/off signals to other connected McIntosh components (such as CD Players, turntables, tuners and media streamers) for easy system power up and shutdown

  • Patented Solid Cinch™ speaker binding posts that easily but securely attach the speaker cables to prevent them from coming loose and possibly causing a short; the binding posts are also gold-plated to prevent corrosion and ensure a quality signal is sent over your speaker cables

POWER OUTPUT 450 Watts into 2, 4 or 8 Ohm speakers

TOTAL HARMONIC DISTORTION 0.005% maximum from 20Hz to 20kHz

SIGNAL TO NOISE RATIO 122dB Balanced 120dB Unbalanced


DAMPING FACTOR Greater than 40 Wideband

FREQUENCY RESPONSE +0, -0.25dB from 20Hz to 20kHz +0, -3.0dB from 10Hz to 100kHz

INPUTS & OUTPUTS Inputs & Outputs: 2 Balanced inputs 2 Unbalanced inputs 2 Balanced outputs 2 Unbalanced outputs

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