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McIntosh MC58 manual

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Table of contents for the manual

  • Page 1

    McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 F AX: 607-724-0549 Owner ’ s Manual MC58 MC58 Eight Channel Power Amplifier[...]

  • Page 2

    2 IMPOR T ANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERA TING THIS EQUIPMENT . W ARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” withi[...]

  • Page 3

    3 A polarized plug has two blades with one wider than the other . A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety . If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 18. Do not overload wall outlets, exte[...]

  • Page 4

    4 Thank Y ou .......................................................................... 2 Safety Instructions ............................................................. 2 Thank Y ou and Please T ake a Moment .............................. 3 T echnical Assistance and Customer Service ..................... 3 T able of Contents and General Notes ..[...]

  • Page 5

    5 Performance Features Introduction and Performance Features Introduction • • • • • Power Output The MC58 consists of eight separate power amplifier chan- nels, each capable of 50 watts into 4 ohm speakers with less than 0.005% distortion. This is 400 watts of McIntosh power in a single package. • • • • • Power Guard All eight c[...]

  • Page 6

    6 The following dimensions can assist in determining the best location for your MC58. There is additional informa- tion on the next page pertaining to installing the MC58 into cabinets. MC58 Dimensions 17- 1/2 " 44.45cm  6  - 5/16 " 16.03cm  7  - 5/8 " 19.37cm 18- 1/2 " 46.99cm  3/16 " 0.48cm 13  - 1[...]

  • Page 7

    7 Dimensions and Installation Inst allation The MC58 can be placed upright on a table or shelf, stand- ing on its four 1 inch high feet. The four feet may be re- moved from the bottom of the MC58 when it is custom in- stalled as outlined below . The four feet together with the mounting screws should be retained for possible future use if the MC58 i[...]

  • Page 8

    8 MC58 Rear Panel Controls, Connections and Switch Connect the MC58 power cord to a live AC outlet. Refer to information on the back panel to deter- mine the correct volt- age 8 CHANNEL IN accepts a 25 con- ductor DB25 computer type cable that connects all audio and power control signals POWER CONTROL IN receives turn on/off signals from a McIntosh[...]

  • Page 9

    9 McIntosh CR16 Multizone Control System How to Connect with a CR16 1. Connect the loudspeaker cables to the appropriate chan- nel output connectors, being careful to observe the cor- rect polarities. 2. Connect a single DB25 computer type cable from the Multichannel Output of a Mutlizone Control System to the MC58 8 CHANNEL INput connector for all[...]

  • Page 10

    10 How to Connect two MC58s in Bridge Mode The MC58 Eight Channel Power Amplifier has a Bridge Mode, which doubles the power output for each of the four S tereo Amplifier Pairs. T wo MC58s, together with a CR16 provides higher power out for each of the four Zones. Note: Only Zone One is illustrated below . Follow a similar pr ocedur e for Zones T w[...]

  • Page 11

    11 How to Connect in a Home Theater System How to Connect in a Home Theater System T o AC Outlet Left Surround Loudspeaker Right Surround Loudspeaker Right Front Loudspeaker Left Front Loudspeaker Center Channel Loudspeaker Powered Subwoofer Loudspeaker McIntosh Surround Decoder The MC58 Eight Channel Power Amplifier can be used in a Home Theater S[...]

  • Page 12

    12 MC58 Front Panel Displays and Controls POWER GUARD LEDs light when the amplifier channels 1 or 2 POWER GUARD circuits activate POWER Switch T urns AC power On/Off Remote On Indicator POWER LED lights when the Amplifier Channels 1 and 2 Circuits activate POWER LED lights when the Amplifier Channels 3 and 4 Circuits activate POWER LED lights when [...]

  • Page 13

    13 How to Operate the MC58 How to Operate the MC58 Power On T o have the MC58 turn on or off when a multizone system turns on or off, the front panel power switch must be left in the on position and the rear panel power control switch must be in the remote position. For non-re- mote operation, set the rear panel power control switch to local and us[...]

  • Page 14

    14 Specifications Specifications Power Output Per Channel 50 watts into 4 ohm load and 30 watts into 8 ohm load is the minimum sine wave continuous average power output per channel, all channels operating. Power Output Bridged 100 watts into 8 ohm load is the minimum sine wave con- tinuous average power output per channel, all channels op- erating.[...]

  • Page 15

    15 Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as shown below . It is very important that the four plastic feet are at- tached to the bottom of the equipment. Three #10 x 2-1/4” screws and washers must be used to fasten the unit securely to the bottom pad and wood sk[...]

  • Page 16

    McIntosh Part No. 040726 McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, NY 13903[...]