Power Amplifier MC2KW Owner’s Manual McIntosh Laboratory, Inc.
The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. IMPORTANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT. 1. Read these instructions. 2. Keep these instructions. 3.
Safety Instructions Thank You Table of Contents Your decision to own this McIntosh MC2KW Power Amplifier ranks you at the very top among discriminating music listeners. You now have “The Best.” The McIntosh dedication to “Quality,” is assurance that you will receive many years of musical enjoyment from this unit. Please take a short time to read the information in this manual. We want you to be as familiar as possible with all the features and functions of your new McIntosh. Safety Instructions .........
Important Information and Introduction Important 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. The following Connecting Cable is available from the McIntosh Parts Department: Power Control Cable Part No.
Performance Features Performance Features • Triple Chassis Mono Block Design For the first time, the new McIntosh MC2KW Power Amplifier is capable of supplying the power required to reproduce the full dynamic range of a symphony orchestra including pipe organ. This includes driving low efficiency Loudspeakers in a large room to concert hall volume levels. It can reproduce complex music with complete accuracy, with no added distortion or noise.
Dimensions 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. 17-3/4" 45.09cm 11" 27.94cm Front View of the MC2KW Output Module 12-5/16" 31.27cm 17-1/4" 43.82cm Rear View of the MC2KW Output Module 12-1/4" 31.11cm 20" 50.80cm 19-3/8" 49.21cm 1-5/8" 4.12cm 10-5/8" 3/16" 26.99cm 0.
Dimensions 17-3/4" 45.09cm 11" 27.94cm Front View of the MC2KW Power Module 12-5/16" 31.27cm 17-1/4" 43.82cm Rear View of the MC2KW Power Module 12-1/4" 31.11cm 20" 50.80cm 19-3/8" 49.21cm 1-5/8" 4.12cm 10-5/8" 3/16" 26.99cm 0.48cm Side View of the MC2KW Power Module 1-3/8" 3.49cm 14" 35.60cm 1-9/16" 3.
Dimensions, con’t 17-1/4" 43.82cm 8-7/8" 22.54cm Top View of the MC2KW Output Module 8-1/16" 20.48cm 17-1/4" 43.82cm 8-7/8" 22.54cm Top View of the MC2KW Power Module 8-1/16" 20.
Installation Installation 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 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 Power Module and the top of Output Module. Likewise, there should be at least 6 inches (15.
17-1/4" 43.82cm 10-5/8" MC2KW Output Module Front Panel Custom Cabinet Cutout 26.99cm Cabinet Front Panel 2" Cutout Opening for Custom Mounting 5.08cm Opening for Ventilation MC2KW Output Module Side View in Custom Cabinet Cutout Opening for Ventilation Support Shelf 21/32" Module 1.67cm MC2KW Output Bottom View in Custom Cabinet 10 Chassis Spacers 1" 2.54cm 14-1/2" 36.83cm Cutout Opening for Ventilation 14" 35.56cm 15-5/16" 38.
Installation, con’t 17-1/4" 43.82cm 10-5/8" MC2KW Power Module Front Panel Custom Cabinet Cutout 26.99cm Cabinet Front Panel 6" 15.24cm Cutout Opening for Custom Mounting Opening for Ventilation MC2KW Power Module Side View in Custom Cabinet Cutout Opening for Ventilation Support Shelf MC2KW Power Module Bottom View in Custom Cabinet 21/32" 1.67cm Chassis Spacers 1" 2.54cm 14-1/2" 36.83cm Cutout Opening for Ventilation 14" 35.56cm 15-5/16" 38.
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.
How to Connect the MC2KW for Power Control and Audio How to Connect the MC2KW for Power Control and Audio connections These two pages contain information for connecting together 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.
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 Terminal Connections Cover has been installed. Failure to observe this could result in Electric Shock. 1.
How to Connect a Loudspeaker to the MC2KW Output Module Cover Mounting Screw Location Opening for Cables Figure 9 Top Cover Mounting Screw Locations Figure 10 Rear Cover Top Cover Figure 11 15
METER indicates the Power Output of the MC2KW Power Amplifier POWER GUARD LED lights when the MC2KW Power Amplifier POWER GUARD circuit activates METER Switch selects the display modes of the Power Output Meter Pilot Light Indicates when the MC2KW Output Module is connected to AC Power POWER Switch turns the MC2KW Power Amplifier Off, Remote (On/ Off) or On 16
MC2KW Output Module and MC2KW Power Module Front Panel Controls and Displays Illuminates when the MC2KW Power Module is On 17
How to Operate the MC2KW Power Amplifier How to Operate the MC2KW Power Amplifier Power On With 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 Center switches On or Off. For manual operation, rotate the POWER Switch to the ON or OFF Position as desired. Refer to figure 12. Notes: 1.
Technical 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 staff has created a power amplifier without compromise, using the most advanced McIntosh circuit design concepts. For the first time, the new McIntosh MC2KW Power Amplifier is capable of supplying the power required to reproduce the full dynamic range of a symphony orchestra including pipe organ.
Technical 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 performance from any type of high quality Loudspeaker System. Creating an amplifier with this level of performance did not come easily. Many months of design, testing and measuring were required.
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 load that is lower than optimum, causes more output current to flow, which results in extra heat being generated in the power output stage.
Technical Description, con’t tions. The different types of protection circuits incorporated in the MC2KW Power Amplifier insure a long and safe operating 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 Guard circuit. Power Guard eliminates the possibility of ever overdriving the amplifier into clipping. Refer to figures 23, 24 and 25.
Technical Description, con’t music demands and guarantees an excellent signal to noise ratio. Refer to figure 27. cuit that provides remote Power Control from a McIntosh Preamplifier or A/V Control Center. When the Preamplifier or A/V Control Center is switched On a digital “1” (+5V) signal changes the operational state of digital control circuitry and a DC voltage is sent to each MC2KW Power Module to activate the power relay.
Top View of the MC2KW Output Module 24
Photos Front View of the MC2KW Output Module Front View of the MC2KW Power Module 25
Rear View of the MC2KW Output Module Rear View of the MC2KW Power Module 26
Photos, con’t Angle View of the MC2KW Output Module Angle View of the MC2KW Power Module 27
MC2KW Power Amplifier - Power Module A , Output Module 28
MC2KW Power Amplifier Block Diagram and Power Module B 29
Specifications Power Amplifier Specifications General 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.
Packing Instructions 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 feet are attached to the bottom of the equipment. This will ensure the proper equipment location on the bottom foam pad. Failure to do this will result in shipping damage.
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. McIntosh Part No.
