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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.

Содержание MCC301M

Страница 1: ...MCC301M Owner s Manual McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 FAX 607 724 0549 MCC301M Power Amplifier ...

Страница 2: ...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 ...

Страница 3: ...n Serial Number Purchase Date Dealer Name If it is determined that your McIntosh product is in need of repair you can return it to your dealer You can also return it to the McIntosh Laboratory Service Repair department For assistance on factory repair return procedure contact the McIntosh Repair Department at McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 Phone 607 723 3515 Fa...

Страница 4: ...fier power supplies to prevent damage to your valu able loudspeakers Thermal Protection with Multi Speed Cooling Fans Built in thermal protection circuits guard against overheat ing which could shorten the normal long life expectancy of your McIntosh Power Amplifier Cooling fan speed is con trolled by temperature sensors attached to the interior of the extruded aluminum cooling tunnel The fans are...

Страница 5: ...nsions can assist in determining the best location for your MCC301M There is additional in formation on the next page pertaining to installing the MCC301M into your vehicle Dimensions Top View of the MCC301M Side View of the MCC301M ...

Страница 6: ...ically 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 supplied with the amplifier It is not recommended that the amplifier be mounted under the hood or in a location where it will be directly ex posed to the elements The openings in the fan housings and h...

Страница 7: ...tain McIntosh Control Centers Cooling Fan Air Intake OUTPUT Connections for loudspeakers SUBWOOFER OUTPUTS supply a summed output Receives the Amplifier Turn ON signal from a McIntosh Control Center Connect to the Negative vehicle battery terminal Connector for optional SUBwoofer REMOTE Volume CONTROL OUTPUTs from the INPUT Signal Source for connection to an other Power Amplifier Cooling Fan Air I...

Страница 8: ...ect polarities Note The A and B OUTPUT Terminals are in parallel either A B or both Terminals may be connected Left Front Right Front Vehicle Battery Fuse McIntosh Control Center Amp ON McIntosh External Subwoofer Rotary Control 3 Connect audio cables from the Control Center Outputs to the McIntosh Power Amplifier Upper Range Inputs 1 and 2 4 Connect audio cables from the McIntosh Power Ampli fier...

Страница 9: ...wer cables to the battery Left Front Vehicle Battery Fuse McIntosh Control Center Power Guard Amp ON 2 Connect a wire from a McIntosh Control Center with Power Guard to the MCC301M PG Connector on the right side of the amplifier 3 Connect a cable up to 12AWG from the loudspeaker system connected to the Amplifier s A OUTPUT Ter minals being careful to observe the correct polarities 4 Connect an aud...

Страница 10: ...Input Sensitivity Control SOURCE Switch selects either Input 1 or 1 2 SUBwoofer Sum of Inputs 1and 2 EQUALIZER Controls select the FREQUENCY and the LEVEL of Boost or Cut at the Center Fre quencies LOW PASS FILTER Switch activates the filter SUBSONIC FILTER Switch selects the low frequency roll off be low 20Hz or 28Hz or flat frequency re sponse METER indicates the actual Power Output ...

Страница 11: ... the Amplifier will pass all frequencies above 28Hz Refer to figure 5 Equalizer The MCC301M Power Amplifier is equipped with an equalizer The equalizer is not intended to act as a tone control The one band equalizer is best utilized as a notch filter to reduce a peak as located by real time analysis with an RTA in your system s frequency response If you are attempting to equalize a system without ...

Страница 12: ... hand under Temporarily place the removed glass panel in a safe place remove the suction cup and save it for future use 4 Remove the Phillips Screws holding the End Caps on both sides of the amplifier and lift the end caps off 5 Remove the two Phillips Screws one is located above the row of Controls Switches and the other near the Bottom Edge of the Gold Faceplate Control Panel 6 Remove all 5 cros...

Страница 13: ...13 Block Diagram MCC301M Block Diagram ...

Страница 14: ...ed at 2 Subsonic Filter Selectable 20Hz or 28Hz the slope is 18dB per octave Low Pass Filter Adjustable from 40Hz to 120Hz with a slope of 24dB per octave Subwoofer Output Low Pass filtered at 200Hz with a 6dB per octave slope level variable 12dB when using optional McIntosh Ex ternal Subwoofer Rotary Control Intermodulation Distortion Maximum Intermodulation Distortion if instanta neous peak outp...

Страница 15: ...below 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 interior parts only if they are all in good serviceable condition If a shipping carton or any of the interior part s are needed please call or write Customer Service Department of McIntosh Labo ratory Pleas...

Страница 16: ...Intosh 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 ...

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