McIntosh MC1.25KW Bedienungsanleitung

McIntosh Empfänger MC1.25KW

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

MC1.25KW

Quad Balanced

Power Amplier

Owner’s Manual

Your decision to own this McIntosh MC1.25KW 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.

Table of Contents

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: 607-723-3512

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

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: ________________________________

Important Safety Information is supplied in a separate document “Important Additional Operation Information Guide”

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

(Separate Sheet) ............................Important Additional

Operation Information Guide

Thank You and Please Take a Moment 2 ...............................

Technical Assistance and Customer Service 2 .......................

Table of Contents .................................................................2

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

Connector and Cable Information ..............................3

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

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

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

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

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

Output Terminals and How to Connect .................. 8-9

Output Terminals and 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

XLR Connectors

Below is the Pin configuration for the XLR Balanced

Input, Input/Output Connectors on the MC1.25KW.

Refer to the diagram for connection:

PIN 1: Shield/Ground

PIN 2: + Input/Output

PIN 3: - Input/Output

Power Control Connector

The MC1.25KW Power Control Input (Trigger Con-

trol) receives an On/Off signal from +5 to +12 volts.

The Power Control Output

will in turn provide a +12 volt

Output Signal with a total cur-

rent up to 50mA. An additional

connection is for controlling the

illumination of the McIntosh

Power Output Meters. The 3.5mm stereo mini phone

plug connects to another McIntosh Power Amplifier.

Output Terminal Connector

When cables with spade lugs are used

for Loudspeaker Connection, the spade

lugs need an opening of at least 3/10 inch

(7.6mm)

5. The MC1.25KW incorporates the very latest in

Fully Double Balanced Circuitry. As a result, the

Loudspeaker Negative Connections are above

chassis ground. Do not combine any connections

together, ground them or connect with another

MC1.25KW.

6. In the event the MC1.25KW over heats, due to im-

proper 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 MC1.25KW

has returned to a safe operating temperature, nor-

mal operation will resume.

7. 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.

8. For additional information on the MC1.25KW and

other McIntosh Products please visit the McIntosh

Web Site at www.mcintoshlabs.com.

Caution: The MC1.25KW Amplifier weight is 158 pounds

(71.7 kilograms). It requires two or more per-

sons to safely handle when moving the ampli-

fier.

1. For additional connection information, refer to the

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

to the MC1.25KW.

2. The MC1.25KW mutes the speaker output for ap-

proximately two seconds when first turned on.

3. 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 MC1.25KW.

4. It is very important that loudspeaker cables of ad-

equate size be used, so that there will be no power

loss. The size is specified in Gauge Numbers or

AWG, (American Wire Gauge). The smaller the

Gauge number, the larger the wire size:

If your loudspeaker cables are 50 feet (38.1m) or less,

use at least 14 Gauge.

If your loudspeaker cables are 100 feet (76.2m) or

less, use at least 12 Gauge.

General Information Connector and Cable Information

Trigger

Control

Ground

Meter

Illumination

Control

PIN 1 PIN 2

PIN 3

PIN 2 PIN 1

PIN 3

OUT

3/10 of an inch

(7.6millimeters)

General Information and Cable Information

Produktspezifikationen

Marke:	McIntosh
Kategorie:	Empfänger
Modell:	MC1.25KW
Breite:	450.9 mm
Tiefe:	558.8 mm
Gewicht:	71700 g
Produktfarbe:	Schwarz, Silber
Übertragungstechnik:	Kabelgebunden
Höhe:	312.7 mm
Zweck:	Haus
Material:	Glass, Stainless steel, Steel
Eingebautes Display:	Ja
Paketgewicht:	83400 g
Fernbedienung enthalten:	Ja
Audio Kanäle:	1.0 Kanäle
THD, totalklirren:	0.005 %
Rauschverhältnis (SNR):	124 dB
Frequenzbereich:	10 - 100000 Hz
RMS Leistungsoutput pro Kanal (2 Ohm):	1200 W
RMS Leistungsoutput pro Kanal (4 Ohm):	1200 W
Leistungshöhepunkt pro Kanal:	1200 W
Dämpfungsfaktor:	40
RMS Leistungsoutput pro Kanal (8 Ohm):	1200 W