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3

IMPORTANT SAFETY

INSTRUCTIONS!

PLEASE READ THEM BEFORE

OPERATING THIS EQUIPMENT.

Safety Instructions

General:

1. Read all the safety and operating instructions, con-

tained in this owner’s manual, before operating this

equipment.

2. Retain this owner’s manual for future reference about

safety and operating instructions.

3. Adhere to all warnings and operating instructions.

4. Follow all operating and use 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. Caution: to prevent electrical shock do not use this

(polarized) plug with an extension cord, receptacle

or other outlet unless the blades can be fully in-

serted to prevent blade exposure.

WARNING SHOCK HAZARD -

DO NOT OPEN.

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 consti-
tute a risk of electric shock to persons

.

AVIS RISQUE DE CHOC -

NE PAS OUVRIR.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in

the literature accompanying the appliance.

NO USER-SERVICEABLE

PARTS INSIDE. REFER

SERVICING TO

QUALIFIED PERSONNEL

To prevent the risk of electric shock, do not remove

cover (or back). No user serviceable parts inside. Refer

servicing to qualified personnel.

 Attention: pour pevenir les chocs elecriques pas

utiliser cette fiche polarisee avec un prolongateur,

une prise de courant ou un autre sortie de courant,

sauf si les lames peuvent etre inserees afond ans en

laisser aucune partie a decouvert.

7. For added protection for this product during a lightning

storm, or when it is left unattended and unused for long

periods of time, unplug it from the wall outlet and dis-

connect the antenna or cable system. This will prevent

damage to the product due to lightning or power line

surges.

8. Do not use attachments not recommended in this

owner’s manual as they may cause hazards.

Installation:

9. Locate the equipment for proper ventilation. For ex-

ample, the equipment should not be placed on a bed,

sofa, rug, or similar surface that may block ventilation

openings; or, placed in a built-in installation, such as a

bookcase or cabinet, that may impede the flow of air

through the ventilation openings.

10. Locate the equipment away from heat sources such as

radiators, heat registers, stoves, or other appliance (in-

cluding amplifiers) that produce heat.

11. Mount the equipment in a wall or cabinet only as de-

scribed in this owner’s manual

12. Do not use this equipment near water; for example,

near a bathtub, washbowl, kitchen sink, laundry tub, in

a wet basement or near a swimming pool, etc.

13. Do not place this product on an unstable cart, stand,

tripod, bracket, or table. The equipment may fall, caus-

ing serious injury to a person, and serious damage to

the product.

Connection:

14. Connect this equipment only to the type of AC power

source as marked on the unit.

15. Route AC power cords so that they are not likely to be

walked on or pinched by items placed upon or against

them, paying particular attention to cords at plugs, con-

venience receptacles, and the point where they exit from

the instrument.

16. Do not defeat the inherent design features of the polar-

ized plug. Non-polarized line cord adapters will defeat

the safety provided by the polarized AC plug. If the

plug should fail to fit, contact your electrician to re-

place your obsolete outlet. Do not defeat the safety pur-

pose of the grounding-type plug.

Summary of Contents for MC122

Page 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton NewYork 13903 2699 Phone 607 723 3512 FAX 607 724 0549 OWNER S MANUAL MC122 MC122 Power Amplifier...

Page 2: ...Inc Thank You Please Take A Moment Customer Service and Table of Contents Thank You Please Take A Moment The serial number purchase date and McIntosh dealer name are important to you for possible ins...

Page 3: ...courant ou un autre sortie de courant sauf si les lames peuvent etre inserees afond ans en laisser aucune partie a decouvert 7 For added protection for this product during a lightning storm or when i...

Page 4: ...e or electric shock Care of Equipment 18 Clean the instrument by dusting with a dry cloth Un plug this equipment from the wall outlet and clean the panel with a cloth moistened with a window cleaner D...

Page 5: ...llow at least 1 1 2 inches 3 8cm above the unit so airflow is not obstructed Allow 17 1 2 inches 44 5cm depth behind the mounting panel which includes clearance for connec tors Allow 1 1 8 inches 2 9c...

Page 6: ...IN receives turn on off sig nals from a McIntosh component and the POWER CONTROL OUT sends that turn on off signal to the next McIntosh component INPUTs for audio cables from a preamplifier or control...

Page 7: ...ontrol Out to the MC122 Power Control In 3 Connect the loudspeaker cables to the appropriate ter minals for your loudspeakers being careful to observe the correct polarities 4 Connect a cable from the...

Page 8: ...Panel Displays and Switch MC122 Front Panel Displays and Switch POWER GUARD LED s light when the amplifier channel POWER GUARD circuit activates POWER Switch Turns AC power on off or on remote Power...

Page 9: ...fer to Figure 1 Power On The MC122 power switch operates in two different modes When the MC122 Power Control In jack is connected to the Power Control Out jack of a McIntosh Control Center Preamplifie...

Page 10: ...wice the rated output with both channels operating for any combination of frequencies from 20Hz to 20 000Hz Signal To Noise Ratio 110dB below rated output Sensitivity 8 volts 2 5V at the marked positi...

Page 11: ...hipping 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 M...

Page 12: ...McIntosh Part No 040584 McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903...

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