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Table of contents for the manual
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Page 1
MC2KW Owner ’s Manual McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 F AX: 607-724-0549 Power Amplifier[...]
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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 T O RAIN OR MOISTURE. The lightning flash with arrowhead, within an equilateral triangle, is in- tended to alert the user to the presence of uninsulated “dangerous voltage” wi[...]
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Page 3
3 Customer Service T echnical Assist ance Please T ake A Moment Thank Y ou Copyright 2007 © by McIntosh Laboratory , Inc. The serial number , purchase date and McIntosh Dealer name are important to you for possible insurance claim or future service. The spaces below have been provided for you to record that information: Y our decision to own this [...]
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Page 4
4 Import ant Information Caution: The MC2KW Power Module weight is 127 pounds (57.6 kilograms) and the MC2KW Output Module weight is 123 pounds (55.8 kilograms). It requires two or more persons to safely handle when moving the Power or Output Module. 1. The MC2KW Power Amplifier consists of one MC2KW Output Module and two MC2KW Power Modules. 2. Th[...]
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Page 5
5 Performance Features • • • • • T riple Chassis Mono Block Design For the first time, the new McIntosh MC2KW Power Am- plifier is capable of supplying the power required to repro- duce the full dynamic range of a symphony orchestra in- cluding pipe organ. This includes driving low efficiency Loudspeakers in a large room to concert hall v[...]
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Page 6
6 The following dimensions can assist in determining the best location for the MC2KW Output Module and MC2KW Power Modules. There is additional information on page 9 pertaining to installing the MC2KW Output Module and MC2KW Power Modules into cabinets. Dimensions 17- 3/4 " 45.09cm 1 1" 27.94cm 12- 5/16 " 31.27cm 19 -3/8 " 49.21[...]
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7 17- 3/4 " 45.09cm 1 1" 27.94cm 12- 5/16 " 31.27cm 19 -3/8 " 49.21cm 20" 50.80cm 3/16 " 0.48cm 10- 5/8 " 26.99cm 14" 35.60cm 1- 9/16 " 3.96cm 1- 3/8 " 3.49cm 12- 1/4 " 31.1 1cm 17- 1/4 " 43.82cm 1- 5/8 " 4.12cm Front V iew of the MC2KW Power Module Rear V iew of the MC2KW Power Modul[...]
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Page 8
8 8 -1/16 " 20.48cm 17- 1/4 " 43.82cm T op View of the MC2KW Output Module T op View of the MC2KW Power Module 17- 1/4 " 43.82cm 8 -7/8 " 22.54cm 8 -1/16 " 20.48cm 8 -7/8 " 22.54cm Dimensions, con’t[...]
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Page 9
9 Installation The MC2KW Output Module and MC2KW Power Mod- ules can be placed upright on a table or shelf, standing on their four feet. If the Output Module and the two Power Modules are to be stacked vertically , the middle unit should be the Output Module. There should be at least 6 inches (15.24 cm) of space between the bottom of the upper Powe[...]
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Page 10
10 10- 5/8 " 26.99cm 17- 1/4 " 43.82cm 2" 5.08cm 14- 1/2 " 36.83cm 14" 35.56cm 15- 5/16 " 38.91cm 21/32 " 1.67cm Cutout Opening for V entilation Cutout Opening for V entilation Support Shelf Cabinet Front Panel Chassis Spacers Cutout Opening for Custom Mounting Opening for V entilation MC2KW Output Module Front Pa[...]
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11 Inst allation, con’t 10- 5/8 " 26.99cm 17- 1/4 " 43.82cm 6" 15.24cm 14- 1/2 " 36.83cm 14" 35.56cm 15- 5/16 " 38.91cm 21/32 " 1.67cm Cutout Opening for V entilation Cutout Opening for V entilation Support Shelf Cabinet Front Panel Chassis Spacers Cutout Opening for Custom Mounting Opening for V entilation MC2K[...]
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Page 12
12 Rear Panel Connections Rear Panel Connections The identification of Rear Panel Connections for the MC2KW Output Module and MC2KW Power Modules are located on separate folded sheets contained in the Owner ’ s Manual Packet. MC2KW Output Module Refer to folded sheet “ Mc1A ” MC2KW Output Module Rear Panel Connections MC2KW Power Module Refer[...]
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Page 13
13 These two pages contain information for connecting to- gether the McIntosh MC2KW Output Module and the MC2KW Power Modules; and that combination to the C1000 Preamplifier . McIntosh Power Control connections allow for unified audio system operations; one push-button press to switch the entire system On or Off. The connection instructions below ,[...]
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Page 14
14 How to Connect a Loudspeaker to the MC2KW Output Module Caution: The supplied AC Power Cords should not be connected to the Rear Panel of the MC2KW Output Module and both of the Power Modules until after the Loudspeaker Connections have been made and the supplied protective T erminal Connections Cover has been installed. Failure to observe this [...]
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Page 15
15 How to Connect a Loudspeaker to the MC2KW Output Module Figure 10 Figure 1 1 Rear Cover T op Cover Mounting Screw Locations T op Cover Figure 9 Opening for Cables Cover Mounting Screw Location[...]
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Page 16
16 METER indicates the Power Output of the MC2KW Power Amplifier METER Switch selects the display modes of the Power Output Meter POWER GUARD LED lights when the MC2KW Power Amplifier POWER GUARD circuit activates POWER Switch turns the MC2KW Power Am- plifier Off, Remote (On/ Off) or On Pilot Light Indicates when the MC2KW Output Module is connect[...]
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Page 17
17 Illuminates when the MC2KW Power Module is On MC2KW Output Module and MC2KW Power Module Front Panel Controls and Displays[...]
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Page 18
18 How to Operate the MC2KW Power Amplifier How to Operate the MC2KW Power Amplifier Power On W ith the POWER Switch set to the REMOTE Position, the MC2KW Power Amplifier will turn On or Off when a McIntosh Preamplifier or A/V Control Cen- ter switches On or Off. For manual operation, rotate the POWER Switch to the ON or OFF Position as desired. Re[...]
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Page 19
19 T echnical Description McIntosh Laboratory , the company who introduced the world’ s first amplifier that could be called “High Fidelity”, has done it again. The McIntosh engineering staf f has cre- ated a power amplifier without compromise, using the most advanced McIntosh circuit design concepts. For the first time, the new McIntosh MC2K[...]
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Page 20
20 T echnical Description quencies is less than 0.002%. The true distortion readings on the MC2KW Power Amplifier are so low , it takes special measuring techniques to make accurate readings. The MC2KW Power Amplifier can deliver the best possible per- formance from any type of high quality Loudspeaker Sys- tem. Creating an amplifier with this leve[...]
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Page 21
21 Autoformer All solid state power amplifier output circuits work best into what is called an optimum load. This optimum load may vary considerably from what a loudspeaker requires. In the case of more than one loudspeaker connected in parallel, the load to the power amplifier may drop to two ohms or even less. A power amplifier connected to a loa[...]
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Page 22
22 T echnical Description, con’t tions. The dif ferent types of protection circuits incorporated in the MC2KW Power Amplifier insure a long and safe op- erating life. This is just one of the many characteristics of McIntosh Power Amplifiers that make them world famous. The MC2KW Power Amplifier also includes the unique patented McIntosh Power Gua[...]
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Page 23
23 music demands and guarantees an excellent signal to noise ratio. Refer to figure 27. The MC2KW Output Module contains the low voltage regulated power supplies for each of the MC2KW Power Modules and for the Input Audio circuitry located inside the MC2KW Output Module. Refer to figure 28. The special “R” core transformer supplies the necessar[...]
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Page 24
24 T op V iew of the MC2KW Output Module[...]
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Page 25
25 Front V iew of the MC2KW Power Module Front V iew of the MC2KW Output Module Photos[...]
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Page 26
26 Rear V iew of the MC2KW Power Module Rear V iew of the MC2KW Output Module[...]
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Page 27
27 Angle V iew of the MC2KW Output Module Photos, con’t Angle V iew of the MC2KW Power Module[...]
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Page 28
28 MC2KW Power Amplifier - Power Module A , Output Module[...]
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Page 29
29 MC2KW Power Amplifier Block Diagram and Power Module B[...]
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Page 30
30 Specifications Power Amplifier Specifications Power Output 2000 watts into an 8, 4 or 2 ohm load is the minimum sine wave continuous average power output. The output RMS voltage is: 126.5V across 8 ohms 89.5V across 4 ohms 63.3V across 2 ohms Output Load Impedance 8, 4 and 2 ohms (with three pairs of terminals each for im- pedance) Rated Power B[...]
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Page 31
31 Packing Instructions In the event it is necessary to repack the equipment for ship- ment, the equipment must be packed exactly as shown be- low . It is very important that the four feet are attached to the bottom of the equipment. This will ensure the proper equip- ment location on the bottom foam pad. Failure to do this will result in shipping [...]
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Page 32
McIntosh Part No. 04108100 McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, NY 13903 The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A.[...]