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Owner’s
Manual
MC58 Eight Channel Power Amplifier
MC58
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549
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The exclamation point within an equi- The lightning flash with arrowhead, within an equilateral triangle, is intended lateral triangle is intended to alert the to alert the user to the presence of user to the presence of important uninsulated “dangerous voltage” within operating and maintenance (servic- the product’s enclosure that may be of ing) instructions in the literature ac- companying the appliance. sufficient magnitude to constitute a risk of electric shock to persons. WARNING - TO REDUC
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Thank You A polarized plug has two blades with one wider Your decision to own this McIntosh MC58 Eight Channel than the other. A grounding type plug has two Power Amplifier ranks you at the very top among discrimi- blades and a third grounding prong. The wide nating music listeners. You now have “The Best.” The blade or the third prong are provided for your McIntosh dedication to “Quality,” is assurance that you safety. If the provided plug does not fit into your will receive many years of music
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Table of Contents Connector Information Thank You.......................................................................... 2 Multi-Room Din Connector Pin Layout Safety Instructions ............................................................. 2 1. Zone 3-Pwr. Ctrl. Thank You and Please Take a Moment.............................. 3 2. Zone 1-Pwr. Ctrl. Technical Assistance and Customer Service ..................... 3 3. Pwr. Ctrl. (Main) Table of Contents and General Notes ......................
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Introduction and Performance Features Introduction Eight 50 watt McIntosh amplifier channels in one conve- • • • • • Individual Channel or Bridged Pair Configuration nient package make the MC58 an ideal amplifier for a Each pair of MC58 amplifier channels can be operated multizone system. The MC58 can be configured in differ- separately at 50 watts each, or bridged for 100 watts. The ent Operating Modes to fit a wide range of uses where a MC58 is ideal for any application requiring a multichanne
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MC58 Dimensions 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. 17-1/2" 44.45cm Front View of the MC58 7 -5/8" 7 -1/8" 19.37cm 18.10cm 17" 43.18cm 6 -5/16" Rear View of the MC58 16.03cm 13 -1/4" 33.66cm 18-1/2" 46.99cm 17" 43.18cm Side View of the MC58 6-1/2" 3/16" 16.51cm 0.48cm 13/16" 14-1/16" 7/8" 2.06cm 35.72cm 2.22cm 6
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Dimensions and Installation Installation The MC58 can be placed upright on a table or shelf, stand- least 6 inches (15.24 cm) above the top, 2 inches ing on its four 1 inch high feet. The four feet may be re- (3.81cm) below the bottom and 1 inch (2.54 cm) on each moved from the bottom of the MC58 when it is custom in- side of the power amplifier, so that airflow is not ob- stalled as outlined below. The four feet together with the structed. Allow 20 inches (50.8 cm) depth behind the mounting scr
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MC58 Rear Panel Controls, Connections and Switch POWER CONTROL IN receives IN for discrete audio cables turn on/off signals from a McIntosh from a Multizone Control or component and the POWER CON- Home Theater System and TROL OUT sends that turn on/off OUT sends the input signal to signal to the next McIntosh compo- another component nent Selects power 8 CHANNEL IN accepts a 25 con- Individual Input turn-on mode ductor DB25 computer type cable Level controls that connects all audio and power co
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How to Connect with a CR16 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 eight audio channels and power control. McIntosh CR16 Multizone Control System Note: Both audio and zone power control pass through this cable. Discrete zone audio
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How to Connect two MC58s in Bridge Mode How to Connect two MC58s in Bridge Mode The MC58 Eight Channel Power Amplifier has a Bridge 5. Connect an Audio Cable from the Zone 1 Right Chan- Mode, which doubles the power output for each of the four nel Unbalanced Output of a Multizone Control System, Stereo Amplifier Pairs. Two MC58s, together with a CR16 to the MC58 IN 1 Connector (Right Channel Ampli- provides higher power out for each of the four Zones. fier). Note: Only Zone One is illustrated be
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How to Connect in a Home Theater System How to Connect in a Home Theater System The MC58 Eight Channel Power Amplifier can be used in 3. Connect Audio Cables from the Surround Decoder a Home Theater System with three of the six channels in Outputs to the MC58 Inputs as follows: Bridge Mode. This doubles the power output for the three a. Front Right Output to IN 1 front channels. b. Front Center Output to IN 3 1. Connect the Loudspeaker Cables to the appropriate c. Front Left Output to IN 5 Bridg
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MC58 Front Panel Displays and Controls POWER LED lights when POWER LED lights when the Amplifier Channels 3 the Amplifier Channels 7 and 4 Circuits activate and 8 Circuits activate POWER LED lights when POWER LED lights when the Amplifier Channels 1 the Amplifier Channels 5 and 2 Circuits activate and 6 Circuits activate Remote On Indicator POWER GUARD LEDs POWER GUARD LEDs POWER Switch light when the amplifier light when the amplifier Turns AC power channels 1 or 2 POWER channels 5 or 6 POWER O
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How to Operate the MC58 How to Operate the MC58 How to Operate with a Bridged Channel Power On The versatile McIntosh MC58 can be used in three differ- To have the MC58 turn on or off when a multizone system ent Operating Modes. The four channel pairs can be used turns on or off, the front panel power switch must be left in in Stereo Mode to supply 50 watts of power to four zones the on position and the rear panel of a multizone system. Any of the four stereo pairs can be power control switch mu
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Specifications Specifications Power Output Per Channel Power Requirements 50 watts into 4 ohm load and 30 watts into 8 ohm load is 100 Volts, 50/60Hz at 5.4 amps the minimum sine wave continuous average power output 110 Volts, 50/60Hz at 4.9 amps per channel, all channels operating. 120 Volts, 50/60Hz at 4.7 amps 220 Volts, 50/60Hz at 3.1 amps Power Output Bridged 230 Volts, 50/60Hz at 3.1 amps 100 watts into 8 ohm load is the minimum sine wave con- 240 Volts, 50/60Hz at 3.1 amps tinuous average
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Packing Instructions Packing Instructions In the event it is necessary to repack the equipment for Quantity Part Number Description shipment, the equipment must be packed exactly as shown 1 033888 Shipping carton only below. It is very important that the four plastic feet are at- 4 033887 End cap (Foam pad) tached to the bottom of the equipment. Three #10 x 2-1/4” screws and washers must be used to fasten the unit securely 1 033697 Inside carton only to the bottom pad and wood skid. This will en
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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 McIntosh Part No. 040726
