background image

2

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 en

-

closure that may be of sufficient magnitude to constitute 

a risk of electric shock to persons.

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.

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 cover or 

back. No user-serviceable parts 

inside.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install 

in accordance with the manufacturer’s instruc-

tions.

8. Do not install near any heat sources such as 

radiators, heat registers, stoves, or other appa-

ratus (including amplifiers) that produce heat.

9. Do not defeat the safety purpose of the polar-

ized or grounding-type plug. A polarized plug 

has two blades with one wider than the other. 

A grounding type plug has two blades and a 

third grounding prong. The wide blade or the 

third prong are provided for your safety. If 

the provided plug does not fit into your outlet, 

consult an electrician for replacement of the 

obsolete outlet.

10. Protect the power cord from being walked on 

or pinched particularly at plugs, convenience 

receptacles, and the point where they exit 

from the apparatus.

11. Only use attachments/accessories specified by 

the manufacturer.

12. Use only with the cart, stand, tripod, bracket, 

or table specified by the manu

-

facturer, or sold with the appa-

ratus. When a cart is used, use 

caution when moving the cart/

apparatus combination to avoid 

injury from tip-over.

13. Unplug this apparatus during lightning storms 

or when unused for long periods of time.

14. Refer all servicing to qualified service person

-

nel. Servicing is required when the apparatus 

has been damaged in any way, such as power-

supply cord or plug is damaged, liquid has 

been spilled or objects have fallen into the 

apparatus, the apparatus has been exposed to 

rain or moisture, does not operate normally, or 

has been dropped.

15. Do not expose this equipment to dripping or 

splashing and ensure that no objects filled 

with liquids, such as vases, are placed on the 

equipment.

16. To completely disconnect this equipment from 

the a.c. mains, disconnect the power supply 

cord plug from the a.c. receptacle.

17. The mains plug of the power supply cord shall 

remain readily operable.

18. Do not expose batteries to excessive heat such 

as sunshine, fire or the like.

19. Connect mains power supply cord only to a 

mains socket outlet with a protective earthing 

connection.

IMPORTANT SAFETY 

INSTRUCTIONS!

PLEASE READ THEM BEFORE 

OPERATING THIS EQUIPMENT.

Содержание 60TH ANNIVERSARY SYSTEM - annexe 1

Страница 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 www mcintoshlabs com MC75 60th Anniversary Tube Power Amplifier Owner s Manual...

Страница 2: ...d for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularl...

Страница 3: ...3 IMPORTANT INSTRUCTIONS FOR REMOVAL OF FOAM INSERT OVER THE VACUUM TUBES PRIOR TO CONNECTING THE A C POWER SUPPLY CORD START ON THE NEXT PAGE...

Страница 4: ...Sheet Refer to figure 1 2 Using a Philips Head 2 screw driver remove the Tube Cover Screw securing the Tube Cover to the chassis on each side of the MC75 Refer to figure 2 Carefully lift up and remov...

Страница 5: ...e at the top Refer to figure 9 Allow at least 12 inches 30 48cm above the top 4 inches 10 16cm for the Front Rear and Sides and 1 2 inches 1 27cm below the Power Amplifier so the airflow is not obstuc...

Страница 6: ...oncerning a suspected problem you can receive technical assistance for all McIntosh products at McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 Phone 607 723 1545 Fax 607 724 0549...

Страница 7: ...an 0 5 distortion Unity Coupled Circuitry The MC75 Power Amplifier uses the famous McIn tosh Patented Unity Coupled Circuit which provides low distortion extended frequency response and cool operating...

Страница 8: ...location for your MC75 16 1 2 41 91cm Front View of the MC75 Top View of the MC75 Left Side View of the MC75 Right Side View of the MC75 7 7 8 20 00cm 8 1 2 21 59cm 13 5 8 34 61cm 1 3 4 4 45cm 1 3 4 4...

Страница 9: ...xt Power Amplifier input OUTPUT Connections for a 2 4 or 8 ohm Loudspeaker Fuse holder refer to information on the side panel of your MC75 to determine the correct fuse size and rating 1 This Balanced...

Страница 10: ...Center to the MC75 BALANCED INPUT Place the INPUT MODE Switch in the BALANCED Position Note An optional hookup is to use an unbalanced cable and place the INPUT MODE Switch in the UNBALANCED Position...

Страница 11: ...11 How to Connect Preamplifier Connect to AC Outlet COM 2 4 8...

Страница 12: ...by Power On and Sentry Monitor Tube Protection Activation Indicator POWER Switch Turns AC Power ON or OFF STBY Standby INPUT MODE switch selects between balanced or unbalanced input INPUT SENSITIVITY...

Страница 13: ...r On To have the MC75 automatically turn On or Off when a Preamplifier or A V Control Center turns on or off place the Power Switch to OFF STBY Standby posi tion For manual operation place the Power S...

Страница 14: ...not exceed twice the rated power output for any combination of frequencies from 20Hz to 20 000Hz Wide Band Damping Factor Greater than 18 Input Impedance 20 000 ohms Unbalanced 15 000 ohms Balanced Tu...

Страница 15: ...location on the bottom foam pad Failure to do this will result in shipping damage To protect the tubes during shippment the Foam Insert removed from the MC75 needs to be re insert ed Follow the unpack...

Страница 16: ...cts is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice Printed in the U S A McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903 www mcin...

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