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IMPORTANT SAFETY INSTRUCTIONS!

PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT.

General:

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Warning: To reduce risk of fire or electrical shock,

do not expose this equipment to rain or moisture.

This unit is capable of producing high sound pres-

sure levels. Continued exposure to high sound pres-

sure levels can cause permanent hearing impair-

ment or loss. User caution is advised and ear protec-

tion is recommended when playing at high volumes.

6. Disconnect this equipment when unused for long peri-

ods of time.

7. Only use attachments/accessories specified by the

manufacturer.

Installation:

8. Do not block any ventilation openings. Install in accor-

dance with the manufacturer’s instructions.

9. Do not install near any heat sources such as radiators,

heat ducts or other equipment that produce heat.

10. Do not use this equipment near water.

11. Do not expose this equipment to dripping or splashing

and ensure that no objects filled with liquids are

placed on the equipment.

12. Do not mount this product with an unstable bracket as

the equipment may fall, causing serious injury to a

person, and serious damage to the product.

Connection:

13. Route DC power cords so that they are not likely to be

pinched by items placed upon or against them, paying

particular attention to the point where they enter the

instrument.

Care of Equipment:

14. Clean only with dry cloth.

15. Do not permit objects or liquids of any kind to be

pushed, spilled and/or fall into the equipment through

enclosure openings.

Repair of Equipment:

16. Refer all servicing to qualified service personnel. Ser-

vicing is required when the equipment has been dam-

aged in any way, such as power-supply cord or plug is

damaged, liquid has been spilled or objects have fallen

into the equipment, the equipment has been exposed to

rain or moisture, does not operate normally, or has

been dropped.

17. Do not attempt to service beyond that described in the

operating instructions. All other service should be re-

ferred to qualified service personnel.

18. When replacement parts are required, be sure the ser-

vice technician has used replacement parts specified by

McIntosh or have the same characteristics as the origi-

nal part. Unauthorized substitutions may result in fire,

electric shock, or other hazards.

19. Upon completion of any service or repairs to this prod-

uct, ask the service technician to perform safety checks

to determine that the product is in proper operating

condition.

WARNING - TO REDUCE RISK OF

FIRE OR ELECTRICAL SHOCK, DO

NOT EXPOSE THIS EQUIPMENT TO

RAIN OR MOISTURE.

NO USER-SERVICEABLE PARTS

INSIDE. REFER SERVICING TO

QUALIFIED PERSONNEL.

To prevent the risk of electric shock, do not remove

bottom cover. No user serviceable parts inside.

Summary of Contents for MCC204

Page 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 FAX 607 724 0549 Owner s Manual MCC204 MCC204 Power Amplifier...

Page 2: ...y items placed upon or against them paying particular attention to the point where they enter the instrument Care of Equipment 14 Clean only with dry cloth 15 Do not permit objects or liquids of any k...

Page 3: ...ervice 3 Table of Contents 3 Introduction 4 Performance Features 4 Dimensions 5 Installation 6 Side Panel Cooling and Connections 7 How to Connect for Four Channels 8 How to Connect for Three Channels...

Page 4: ...tosh stan dards of excellence in the MCC204 Power Amplifier Four 50 watt high current output channels will drive any high quality loudspeaker system to its ultimate performance The MCC204 reproduction...

Page 5: ...ur MCC204 There is additional infor mation on the next page pertaining to installing the MCC204 into your vehicle Dimensions 13 21 32 34 69cm Top View of the MCC204 Side View of the MCC204 2 11 16 6 8...

Page 6: ...ally or horizontally and may be located under a seat if adequate clearance is available The preferred installation method is to mount the amplifier directly to the vehicle frame using the hardware sup...

Page 7: ...sh Control Centers Cooling Fan Air Intake OUTPUT Connections for loudspeakers SUBWOOFER OUTPUTS supply a four channel summed output Receives the Amplifier Turn ON signal from a McIntosh Control Center...

Page 8: ...below shows the SUB OUTput connected to a separate Subwoofer Power Amplifier and Subwoofer Loudspeaker Note The Subwoofer Output Signal is at line level summed from all the Input Channels and is avail...

Page 9: ...onnect a second MCC204 and loudspeakers in a similar manner 5 Connect speaker cables from one woofer to the Amplifier s Channels 3 and 4 BRIDGED OUTPUT Terminals being careful to observe the correct p...

Page 10: ...w shows the SUB OUTput connected to a separate Subwoofer Power Amplifier and Subwoofer Loudspeaker Note The Subwoofer Output Signal is at line level summed from all the Input Channels and is available...

Page 11: ...from the Control Center Outputs to the MCC204 Inputs 1 and 2 Note The Subwoofer Output Signal is at line level summed from all the Input Channels and is available regardless of the MCC204 Operating M...

Page 12: ...t the Frequency and the Level of Boost or Cut at the center frequencies INPUT SOURCE Switch for Channels 3 4 selects either CHs 1 2 or 3 4 or Subwoofer Sum of CHs 1 2 3 and 4 POWER GUARD LED lights wh...

Page 13: ...The one band equalizer is best uti lized as a notch filter to reduce a peak as located by real time analy sis with an RTA in your system s frequency response If you are at tempting to equalize a syst...

Page 14: ...ossover Set the CROSSOVER Switches to the OUT position since all channels are operating at full frequency range In the Three Channel Tri amp Mode channel 1 operates as a 50 watt amplifier for the twee...

Page 15: ...or full range speakers Channels 3 and 4 operate in Bridged Mode as a single 200 watt amplifier driving a low frequency speaker A typical Subwoofer Ap plication is to drive two upper range loudspeakers...

Page 16: ...top center of the glass panel and carefully raise it high enough to put your hand under Temporarily place the removed glass panel in a safe place remove the suction cup and save it for future use 4 R...

Page 17: ...17 Block Diagram MCC204 Block Diagram...

Page 18: ...er Frequency is variable from 40Hz to 2 000Hz level variable 12db Q fixed at 2 Crossover Selectable High pass or Low pass The frequency is vari able from 50Hz to 120Hz The slope is 12dB per octave Low...

Page 19: ...elow failure to do so will result in shipping damage Make sure that the Top Glass Panel is firmly secured to the chassis using the supplied hex head screws Use the original shipping carton and interio...

Page 20: ...McIntosh Part No 040765 McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903...

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