McIntosh MC452 Bedienungsanleitung

McIntosh Empfänger MC452

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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com

MC452

Quad Balanced

Power Amplier

Owner’s Manual

The lightning ash 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 sufcient 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 ampliers) 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 t 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 specied by

the manufacturer.

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

or table specied 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 qualied 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 lled

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, re 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.

Six foot, 2 conductor shielded, with two 1/8 inch

stereo mini phone plugs.

2. For additional connection information, refer to the

owner’s manual(s) for any component(s) connected

to the MC452.

3. The MC452 mutes the speaker output for approxi-

mately two seconds when first turned on.

4. For the best performance and safety it is important

to always match the impedance of the loudspeaker

to the Power Amplifier connections. Refer to “How

to Connect” pages 8 thru 11.

Note: The impedance of a Loudspeaker actually var-

ies as the Loudspeaker reproduces different

frequencies. As a result, the nominal impedance

rating of the Loudspeaker (usually measured at

a midrange frequency) might not always agree

with the impedance of the Loudspeaker at low

frequencies where the greatest amount of power

is required. Contact the Loudspeaker Manufac-

turer for additional information about the actual

impedance of the Loudspeaker before connecting

it to the McIntosh MC452.

5. In the event the MC452 over heats, due to improper

ventilation and/or high ambient temperature, the

protection circuits will activate. The Front Panel

Power Guard LED will continuously indicate ON

and the audio will be muted. When the MC452 has

returned to a safe operating temperature, normal

operation will resume.

6. When discarding the unit, comply with local rules

or regulations. Batteries should never be

thrown away or incinerated but disposed

of in accordance with the local regulations

concerning battery disposal.

7. For additional information on the MC452

and other McIntosh Products please visit

the McIntosh Web Site at www.mcintosh-

labs.com.

1. The following Connecting Cable is available from

the McIntosh Parts Department:

Power Control Cable Part No. 170-202

Thank You

Please Take A Moment

Technical Assistance

If at any time you have questions about your McIntosh

product, contact your McIntosh Dealer who is familiar

with your McIntosh equipment and any other brands

that may be part of your system. If you or your Dealer

wish additional help concerning 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

Customer Service

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

Department. For assistance on factory repair return

procedure, contact the McIntosh Service Department

at:

McIntosh Laboratory, Inc.

2 Chambers Street

Binghamton, New York 13903

Phone: 607-723-3515

Fax: 607-723-1917

Table of Contents

Your decision to own this McIntosh MC452 Quad

Balanced Power Amplifier ranks you at the very top

among discriminating music listeners. You now have

“The Best.” The McIntosh dedication to “Quality,” is

assurance that you will receive many years of musical

enjoyment from this unit.

Please take a short time to read the information in

this manual. We want you to be as familiar as pos-

sible with all the features and functions of your new

McIntosh.

The serial number, purchase date and McIntosh Dealer

name are important to you for possible insurance

claim or future service. The spaces below have been

provided for you to record that information:

Serial Number: _______________________________

Purchase Date: _______________________________

Dealer Name: ________________________________

Safety Instructions ......................................................2

Thank You and Please Take a Moment .......................3

Technical Assistance and Customer Service ..............3

Table of Contents ........................................................3

General Information ...................................................3

Connector and Cable Information ..............................4

Introduction .................................................................4

Performance Features .................................................4

Dimensions .................................................................5

Installation ..................................................................6

Rear Panel Connections and Switch ...........................7

How to Connect ...................................................... 8-9

How to Connect for Bi-Amp ................................ 10-11

Front Panel Displays and Controls ............................12

How to Operate .........................................................13

Technical Description .......................................... 14-17

Specifications ............................................................ 18

Packing Instruction ................................................... 19

General Information

Produktspezifikationen

Marke:	McIntosh
Kategorie:	Empfänger
Modell:	MC452
Breite:	444.5 mm
Tiefe:	558.8 mm
Gewicht:	49900 g
Produktfarbe:	Aluminium, Black
Übertragungstechnik:	Kabelgebunden
Höhe:	239.7 mm
Zweck:	Leistung/Phase
Lautstärkeregler:	Drehregler
Paketgewicht:	64900 g
Fernbedienung enthalten:	Ja
Betriebsanleitung:	Ja
LED-Anzeigen:	Ja
Audio Kanäle:	2.0 Kanäle
THD, totalklirren:	0.005 %
Rauschverhältnis (SNR):	124 dB
Frequenzbereich:	10 - 100000 Hz
XLR-Eingang:	Ja
XLR-Out:	2
Lautsprecher-Konnektivitätstyp:	Polklemme
Leistungshöhepunkt pro Kanal:	450 W
Dämpfungsfaktor:	40
Output Widerstand:	8 Ohm