McIntosh MC452 Owner's Manual

McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.comMC452Quad BalancedPower A

10Caution: Do not connect the AC Power Cord to the MC452 Rear Panel until after the Loudspeaker Connections are made and the protective Termi-nal Conn

11minal cap until the cable is firmly clamped into the terminals so the lugs or wire cannot slip out. Refer to figures 7 and 8.Note: The illustration

12Front Panel Displays and ControlsStandby Power On IndicatorPOWER Switch Turns AC Power Off, Remote, AC Power OnMETER Switch selects the display mode

13How to OperateHow to OperateInput Mode SwitchThe Input Mode Switch, which is located on the Rear Panel of the MC452, allows selection of either the

14McIntosh Laboratory, the company who introduced the world’s first amplifier that could be called “High Fidelity”, has done it again. The McIntosh en

15optimum, causes more output cur-rent to flow, which results in extra heat being generated in the power output stage. This increase in temperature wi

16an amplifier channel is overdriven, there will be a difference between the two signal waveforms. When the difference exceeds 0.3%, the Power Guard a

17over 20 amps of current. Refer to figure 23 (golf ball is for size comparsion).It is enclosed in the legendary McIntosh Potted Enclo-sures and weigh

18SpecicationsSpecicationsPower OutputMinimum sine wave continuous average power output per channel, with both channels operating is:450 watts into

19Packing InstructionsPacking InstructionsIn the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as s

2The lightning ash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” w

The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice.Pr

3Six foot, 2 conductor shielded, with two 1/8 inch stereo mini phone plugs.2. For additional connection information, refer to the owner’s manual(s) fo

4Cable Information, Introduction and Performance Features XLR ConnectorsBelow is the Pin configuration for the XLR Balanced Input, Input/Output Connec

5DimensionsThe following dimensions can assist in determining the best location for your MC452.DimensionsFront View of the MC452Rear View of the MC452

6InstallationInstallationThe MC452 can be placed upright on a table or shelf, standing on its four feet. It also can be custom installed in a piece of

7Caution: The Loudspeaker Negative Connections are above chassis ground. Do not combine any connections together, ground them or connect with an

8tor and Cable Information” on page 4.1. For Remote Power Control, connect a power control cable from the Audio Preamplifier or A/V Con-trol Center Po

9If the Loudspeaker’s impedance is in-between the available connections, use the nearest lower impedance connection. Refer to “General Informa-tion” N