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3

IMPORTANT SAFETY

INSTRUCTIONS!

PLEASE READ THEM BEFORE

OPERATING THIS EQUIPMENT.

Safety Instructions

WARNING SHOCK HAZARD -

DO NOT OPEN.
AVIS RISQUE DE CHOC -

NE PAS OUVRIR.

NO USER-SERVICEABLE

PARTS INSIDE. REFER

SERVICING TO

QUALIFIED PERSONNEL

General:

1. Read all the safety and operating instructions, contained

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 pressure

levels. Continued exposure to high sound pressure

levels can cause permanent hearing impairment or

loss. User caution is advised and ear protection 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 inserted to

prevent blade exposure.

 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.

17. Do not overload wall outlets, extension cords or inte-

gral convenience receptacles as this can result in a risk

of fire 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. Do

not use liquid cleaners or aerosol cleaners.

19. Do not permit objects of any kind to be pushed and/or

fall into the equipment through enclosure openings.

Summary of Contents for MQ109B

Page 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 FAX 607 724 0549 MQ109B Enviromental Equalizer OWNER S MANUAL...

Page 2: ...nc Thank You Please Take A Moment Customer Service and Table of Contents Thank You For your decision to own this McIntosh MQ109B Enviromental Equalizer ranks you at the very top among discriminating m...

Page 3: ...per 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 cabi...

Page 4: ...tes a need for service 22 Do not attempt to service beyond that described in the operating instructions All other service should be re ferred to qualified service personnel 23 When replacement parts a...

Page 5: ...utputs of a Preamplifier or Control Center BALANCED OUTPUTS connect to the Inputs of a Power Amplifier UNBALANCED INPUTS connect to the Outputs of a Preamplifier or Control Center UNBALANCED OUTPUTS c...

Page 6: ...tputs can be used You can intermix Balanced and Unbalanced connections For example use Unbalanced Inputs and Balanced Outputs 2 Connect the MQ109 B INPUTS to the Outputs of a Preamplifier or Control C...

Page 7: ...nel Controls and Switches 30Hz LOW FREQ COMP Low Frequency Compensation boosts bass response centered at 30Hz as much as 12dB BOOST CUT controls can increase or decrease the volume level of each of th...

Page 8: ...l indi cate the frequency re sponse of the system and reveal the specific frequency ranges where corrective equalization is needed The variation from the ideal may be either a peak or a dip in the res...

Page 9: ...n t 100Hz 1000Hz 10000Hz 100Hz 1000Hz 10000Hz 100Hz 1000Hz 10000Hz Figure 3 50Hz Maximum Boost Cut 50Hz Maximum Q and Minimum Q Figure 4 80Hz Maximum Boost Cut 80Hz Maximum Q and Minimum Q Figure 2 30...

Page 10: ...00Hz 10000Hz 100Hz 1000Hz 10000Hz Figure 6 300Hz Maximum Boost Cut 300Hz Maximum Q and Minimum Q Figure 7 600Hz Maximum Boost Cut 600Hz Maximum Q and Minimum Q Figure 5 150Hz Maximum Boost Cut 150Hz M...

Page 11: ...ping carton or packing material are needed please call or write Customer Service Department of McIntosh Laboratory and order the following Quantity Part Number Description 1 033939 Shipping carton 1 0...

Page 12: ...McIntosh Part No 04038201 McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903...

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