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McIntosh MC462

McIntosh MC462
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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
MC462
Quad Balanced
Power Amplier
Owner’s Manual

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McIntosh MC462 Specifications

General IconGeneral
Power Output per Channel450 Watts
Number of Channels2
Total Harmonic Distortion0.005%
Frequency Response20Hz - 20kHz (+0, -0.25dB)
Dynamic Headroom1.8dB
Damping Factor>40
Rated Power Band20Hz - 20kHz
Frequency Response Extended10Hz - 100kHz (+0, -3dB)
Remote Power ControlYes
Multi-Channel DB25 CableNo
Output Impedance2, 4, 8 Ohms
Dimensions17.5 x 10.5 x 22 inches (W x H x D)

Summary

General Information and Support

Technical Assistance and Customer Service

Contact information for technical help and details on repair procedures.

Connector and Cable Information

XLR, Power Control, and Output Connectors

Details on XLR, Power Control, and Output terminal connector types and configurations.

Introduction to MC462

MC462 Performance Features

Power Output and Circuitry Details

Explains power output, Quad Balanced Circuitry, and patented Autoformer technology.

Protection Circuits and Monitoring

Details on Power Guard, Sentry Monitor protection, and illuminated power meters.

Power Supply and Binding Posts

Information on the special power supply and custom binding posts.

Unit Dimensions

Installation Guidelines

Rear Panel Connections and Switches

InputOutput Terminal Descriptions

Explains the various input and output terminals on the rear panel.

Power Control and Mode Switch Functions

Describes the power control jacks and input mode switches.

Loudspeaker Connection Procedures

Connecting Speaker Cables to Terminals

Step-by-step guide for connecting loudspeaker cables.

Wire Gauge and Preparation Guide

Recommendations for speaker wire gauge and cable preparation.

Bi-Amp Loudspeaker Connection Guide

Bi-Amp Setup and Connection Steps

Procedure for connecting the amplifier for bi-amplification.

Front Panel Displays and Controls Overview

Power Output Meters and Indicators

Details on the function of power output meters and indicator lights.

Power Switch and Meter Selection

Describes the power switch operation and meter mode selection.

Operating the MC462

Power On and Meter Operation

Instructions for powering on the unit and selecting meter modes.

Input Mode and Auto Off Functionality

Explanation of input mode selection and auto off power saving.

Technical Description: Core Concepts

Amplifier Design and Circuitry

Covers design philosophy, Quad Balanced circuitry, Autoformer, and transistors.

Technical Description: Protection and Power

Protection Systems and Metering

Details on Sentry Monitor, Power Guard, and power output metering.

Autoformer Technology and Heat Dissipation

Explains Autoformer technology and its role in heat dissipation.

Technical Description: Power Supply

Power Supply Circuits and Components

Details on the high current high voltage power supply circuits.

MC462 Specifications

Audio Performance Metrics

Specifications for power output, distortion, frequency response, and SNR.

Electrical and Physical Specs

Details on impedance, gain, sensitivity, dimensions, weight, and power requirements.

Packing and Shipping Instructions

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