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McIntosh MC2000 Owner's Manual
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McIntosh MC2000 Owner's Manual

Tube power amplifier
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Download this manual See also: Service Manual
MC2000 Tube Power Amplifier
MC2000 Tube Power Amplifier
New Millennium Edition
New Millennium Edition
MC2000
50th Anniversary 1949 - 1999
50th Anniversary 1949 - 1999
OWNER’S MANUAL

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Summary of Contents for McIntosh MC2000

  • Page 1 MC2000 Tube Power Amplifier MC2000 Tube Power Amplifier New Millennium Edition New Millennium Edition MC2000 50th Anniversary 1949 - 1999 50th Anniversary 1949 - 1999 OWNER’S MANUAL...
  • Page 2 1% distortion. Binghamton, New York. It all Now it was possible to repro- their productive lives working started when Frank H. McIntosh for the company that later be- duce music with a new degree organized a small electronic en- of sonic accuracy that had never came McIntosh Laboratory, Inc.
  • Page 3 Clarion of Japan, has made it C22 Preamplifier, MR71 FM possible for McIntosh to greatly Tuner and the MCD7000 CD Sidney with the famous McIntosh MC275 which he designed expand and upgrade its design Player, just three of the many and manufacturing facilities in McIntosh products designed by Binghamton, New York.
  • Page 4 Technical Description ........... 16 ance claim or future service. The spaces below have If it is determined that your McIntosh product is in Performance Charts ..........20 been provided for you to record that information: need of repair, you can return it to your dealer.

  • Page 5: Important Safety Instructions

    IMPORTANT SAFETY 3. Adhere to all warnings and operating instructions. 10. Locate the equipment away from heat sources INSTRUCTIONS! 4. Follow all operating and use instructions. such as radiators, heat registers, stoves, or other 5. Warning: To reduce risk of fire or electrical appliance (including amplifiers) that produce shock, do not expose this equipment to rain or heat.
  • Page 6 A. The AC power cord or the plug has been · Ceramic Tube Sockets with Gold Contacts The MC2000 is a Dual Mono design which consists damaged. Ceramic tube sockets with gold plated contacts pro- of two entirely separate Mono, 130 watt vacuum tube B.
  • Page 7 7. Put on the pair of white gloves (this will pre- the amplifier. 3. Finally, the physical placement of the MC2000 in vent “fingerprinting” of the MC2000 during your system. handling).
  • Page 8 1. Locate tube V4L (KT88 or 6550) in the Tube MC2000 will not function if they are inserted into the McIntosh MC2000 Tube Set Box, refer to figure Set Box (Left side of the Box).
  • Page 9 Chassis, refer to figure 6. 6. Using the supplied steps: screwdriver secure Installing the Tube Cover: the tube cover to the 1. Orient the MC2000 so the Front Panel is facing chassis, do not over you. Warm Air tighten the screws. Location and...
  • Page 10 AC outlet. Refer to on the top rear panel panel of your information on the of your MC2000 to MC2000 to deter- back panel to deter- determine the cor- mine the correct fuse mine the correct...
  • Page 11 Data and Power Control Cable Part No. 170- 202; six foot, shielded 2 conductor, with 1/8 inch stereo mini phone plugs on each end. 2. Connect the MC2000 power cord to an active AC outlet. Note: Make sure that the MC2000 Front Panel Power Control is in the OFF position.
  • Page 12 Refer to figures 8, 9 & 10. strands together as tightly as possible. Refer 2. The MC2000 may be connected in a “Bridge Note: If the cables come without prepared ends, to figures 11, 12 & 13.
  • Page 13 METER indicates the Right Channel Power Output, METER indicates the Left Channel Power Output, switchable to indicate bias readings of each pair of switchable to indicate bias readings of each pair of Right Channel Output Tubes Left Channel Output Tubes METER Switch selects the display POWER Switch turns AC Power, modes of the power output meters...
  • Page 14 Power On The BIAS ADJustments were made during the final Input Switch testing of the MC2000 at the factory. When you care To have the MC2000 automatically turn On or Off The INPUT Switch allows selection of two different when a Control Center turns On or Off, rotate the to make BIAS ADJustments, please follow the steps input sensitivities.
  • Page 15 This should then be followed by a final adjustment after the MC2000 has been on for about 30 minutes. 3. Facing the Left Side of the MC2000 press and hold in the momentary push-button for V4+6 L, Momentary...
  • Page 16 In the late 1940’s Frank McIntosh and Gordon Gow them in the MC275 and other amplifier models. The Boot strapping increases the effective plate load to invented and patented a new output circuit arrange- output tubes deliver signal to the output transformer...
  • Page 17 E>;C064 =51 D=10;0=243 10;0=243 !E!$E 8=?DC 3A8E4A >DC?DC D=10;0=243 ;4E4; <DC4 1D554A 1D554A 0<? 0<? 0<? D=8CH A4;0H A4;0H 608= ;45C 0<? >DC?DC 8=?DCB 180B ;45C CA0=B 10;0=243 2>=CA>; >DC?DC 5>A<4A D=8CH 2>< 8=E4AC8=6 ?70B4 3A8E4A >DC?DC 0<? 1D554A 1D554A 8=E4AC4A 0<? 0<?...
  • Page 18 Preamplifier. A red LED on the front panel lights to duced by the entire MC2000 circuit is less than 2 mi- ing. A medium voltage secondary winding feeds the indicate that the REMOTE position has been se- croseconds, which is certainly of no acoustic signifi- negative bias voltage supply.
  • Page 19 Block Diagram of the !E02 Power Supply Section ;45C ?>F4A  !E  !E <08=$E  $0=3 BD??;H 32BD??;H "E32 8=ADB7 8=?DC ?>F4A 5DB4 2DAA4=C E>;C064 CA0=B5>A<4A ;8<8C4A B4;42C>A !E02  !!"E02 ?>F4A A867C $%7i A4;0H  !E  !E <08=$E  $0=3 ?>F4A...
  • Page 20 100k -100 Note: These Performance Charts are examples of typical performance of the MC2000.
  • Page 21 300m 500m 300m 500m 300m 500m Note: These Performance Charts are examples of typical performance of the MC2000.
  • Page 22 120 Volts, 50/60Hz at 4.8 Amps ing, for any combination of frequencies from 20Hz to 230 Volts, 50/60Hz at 2.5 Amps 20,000Hz. Note: Refer to the rear panel of the MC2000 for the correct voltage. Rated Power Band Dimensions 20Hz to 20,000Hz 17-3/4 inches (45.1cm) wide by 11 inches (27.9cm)
  • Page 23 In the event it is necessary to repack the MC2000 Amplifier for shipment, the equipment must be packed exactly as shown below. It is very important that the four metal feet are attached to the bottom of the equipment. This will ensure the proper location of the MC2000 on the bottom foam pad.
  • Page 24 McINTOSH LABORATORY, INC. 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903-2699 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. Part No. 040662...