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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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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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3 Customer Service T echnical Assist ance Please T ake A Moment Thank Y ou Copyright 2005 © 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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4 Import ant Information Caution: The MC2KW Power Module weight is 158 pounds (71.7 kilograms) and the MC2KW Output Module weight is 121 pounds (54.9 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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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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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 8 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 7 Dimensions 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 MC2K[...]
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8 8 The MC2KW Output Module and MC2KW Power Modules 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 verti- cally , 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 Power Module an[...]
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9 9 Installation 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 MC2KW Power M[...]
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10 10 Connect the MC2KW Output Module Power Cord to a separate live AC outlet. Refer to infor- mation on the back panel of the MC2KW Output Module to determine the correct voltage for your unit MC2KW OUTPUT MOD- ULE (A) Connector 1 accepts the custom McIntosh 16 Conductor Cable. This cable attaches to the MC2KW POWER MODULE (A) Con- nector 1. It co[...]
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11 11 Connect the MC2KW Power Module power cord to a dedicated live AC Cir- cuit with Outlet 1 . Refer to information on the back panel of the MC2KW Power Module to determine the correct voltage for your unit. 1 Each of the MC2KW Power Modules needs to be connected to a dedicated AC Circuit with Outlet. Refer to “Important Information” note 5 o[...]
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12 12 These two pages contain information for connect- ing together the McIntosh MC2KW Output Mod- ule and the MC2KW Power Modules; and that combination to the C1000 Preamplifier . McIntosh’ s Power Control connections allows for unified audio system operations, one push-button to switch the entire system On or Off. The follow- ing steps also inc[...]
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13 13 How to Connect the MC2KW Output Module/Power Modules together , Power Control and Audio MC2KW Power Module (A) MC2KW Power Module (B) MC2KW Output Module (Right Channel) Connect to second MC2KW Output Module (Left Channel) Power Control In[...]
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14 14 How to Connect the MC2KW Output Module to Loudspeakers 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 thi[...]
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15 15 How to Connect the MC2KW Output Module to Loudspeakers McIntosh XR T2K Loudspeaker[...]
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16 16 MC2KW Output Module and MC2KW Power Module Front Panel Controls and Displays 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, Remo[...]
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17 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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18 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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19 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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20 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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21 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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22 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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23 T op V iew of the MC2KW Output Module Photos[...]
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24 Front V iew of the MC2KW Power Module Front V iew of the MC2KW Output Module[...]
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25 Photos, con’t Rear V iew of the MC2KW Power Module Rear V iew of the MC2KW Output Module[...]
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26 Angle V iew of the MC2KW Output Module[...]
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27 Photos, con’t Angle V iew of the MC2KW Power Module[...]
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Page 28
28 Notes[...]
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29 29 MC2KW Power Amplifier Block Diagram MC2KW Power Amplifier - Output Module with Power Modules A and B[...]
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30 30 Specifications Power Amplifier Specifications Power Output 2000 watts into an 8, 4 or 2 ohm load is the mini- mum 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 impedance) Rated Powe[...]
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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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McIntosh Part No. 04094600 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.[...]