McIntosh MC 7300 Bedienungsanleitung

IMPORTANT

SAFETY

INSTRUCTIONS

THESE

INSTRUCTIONS

ARE

PROTECT

YOU

AND

THE

McINTOSH

INSTRUMENT.

SURE

FAMILIARIZE

YOURSELF

WITH

THEM.

Read

all

instructions

Read

the

safety

and

operating

instructions

before

operating

the

instrument.

Retain

Instructions

Retain

the

safety

and

operating

instructions

for

future

reference.

Heed

warnings

Adhere

warnings

and

operating

instructions.

Instructions

all

operating

and

use

instructions.

WARNING:

REDUCE

RISK

FIRE

ELECTRICAL

SHOCK,

NOT

EXPOSE

THIS

INSTRUMENT

RAIN

MOISTURE.

Power

Sources

Connect

the

power

supply

only

the

type

described

the

operating

instructions

marked

the

unit.

Power-Cord

Protection

Route

power-supply

cords

that

they

are

not

likely

walked

pinched

items

placed

upon

against

them,

paying

particular

attention

cords

plugs,

convenience

receptacles,

and

the

point

where

they

exit

from

the

instrument.

Ventilation

Locate

the

instrument

for

proper

ventilation.

For

example,

the

instrument

should

not

placed

bed,

sofa,

rug,

similar

surface

that

may

block

ventilation

openings;

or,

placed

built-in

installation,

such

bookcase

cabinet,

that

may

impede

the

flow

air

through

the

ventilation

openings.

Heat

Locate

the

instrument

away

from

heat

sources

such

radiators,

heat

registers,

stoves,

other

appliance

(including

amplifiers)

that

produce

heat.

Wall

Cabinet

Mounting

Mount

the

instrument

wall

cabinet

only

described

the

owners

manual.

10.

Water

and

Moisture

not

use

the

instrument

near

water

for

example,

near

bathtub,

washbowl,

kitchen

sink,

laundry

tub,

wet

basement,

near

swimming

pool,

etc.

11.

Cleaning

Clean

the

instrument

dusting

with

dry

cloth.

Clean

the

panel

with

cloth

moistened

with

window

cleaner.

12.

Object

and

Liquid

Entry

not

permit

objects

fall

and

liquids

spill

into

the

instrument

through

enclosure

openings.

13.

Nonuse

Periods

Unplug

the

power

cord

from

the

power

outlet

when

left

unused

for

long

period

time.

14.

Damage

Requiring

Service

must

performed

qualified

service

personnel

when:

The

power

supply

cord

the

plug

has

been

damaged;

Objects

have

fallen,

liquid

has

been

spilled

into

the

instrument;

The

instrument

has

been

exposed

rain;

The

instrument

does

not

appear

operate

nor-

mally

exhibits

marked

change

performance;

The

instrument

has

been

dropped,

the

enclosure

damaged.

15.

Servicing

not

attempt

service

beyond

that

described

the

operating

instructions.

АП

other

service

should

referred

qualified

service

personnel.

16.

Grounding

Polarization

not

defeat

the

inherent

design

features

the

polarized

plug.

Non-polarized

line

cord

adaptors

will

defeat

the

safety

provided

the

polarized

plug.

17.

CAUTION:

PREVENT

ELECTICAL

SHOCK

NOT

USE

THIS

(POLARIZED)

PLUG

WITH

EXTENSION

CORD,

RECEPTACLE

OTHER

OUTLET

UNLESS

THE

BLADES

CAN

FULLY

INSERTED

PREVENT

BLADE

EXPOSURE.

ATTENTION:

POUR

PREVENIR

LES

CHOCS

ELECTRIQUES

PAS

UTILISER

CETTE

FICHE

POLARISEE

AVEC

PROLONGATEUR,

UNE

PRISE

COURANT

UNE

AUTRE

SORTIE

COURANT,

SAUF

LES

LAMES

PEUVENT

ETRE

INSEREES

FOND

SANS

LAISSER

AUCUNE

PAR-

TIE

DECOUVERT.

The

lightning

flash

with

arrowhead,

within

ап

equilateral

triangle,

intended

alert

the

user

the

presence

uninsulated

"dangerous

voltage"

within

the

product's

enclosure

that

may

sufficient

magnitude

constitute

risk

electric

shock

persons.

CAUTION

RISK

ELECTRIC

SHOCK

NOT

OPEN

CAUTION:

PREVENT

THE

RISK

ELECTRIC

SHOCK,

NOT

REMOVE

COVER

(OR

BACK).

USER-SERVICABLE

PARTS

INSIDE.

REFER

SERVICING

“ТО

QUALIFIED

PERSONNEL.

The

exclamation

point

within

equilateral

triangle

intended

alert

the

user

the

presence

important

operating

and

maintenance

(servicing)

instructions

the

literature

accompanying

the

appliance.

The

serial

number,

purchase

date,

and

McIntosh

Laboratory

Service

Contract

number

are

important

you

for

possible

insurance

claim

future

service.

Record

this

information

here.

Вела

та

Serial

Number

Purchase

Date

(ана

Service

Contract

Number

Upon

application,

McIntosh

Laboratory

provides

Service

Contract

the

original

purchaser.

Your

McIntosh

Authorized

Service

Agency

can

expedite

repairs

when

you

provide

the

Service

Contract

with

the

instrument

for

repair.

1991

McIntosh

Laboratory

Inc.

Contents

INTRODUCTION

INSTALLATION

HOW

ТО

CONNECT

INPUTS

CONNECTING

DIAGRAMS

7,8

HOW

CONNECT

OUTPUTS

FRONT

PANEL

CONTROLS

REAR

PANEL

PERFORMANCE

LIMITS

PERFORMANCE

CHARTS

TECHNICAL

DESCRIPTION

15,

BLOCK

DIAGRAM

Take

Advantage

Years

Contract

Service.

Fill

the

Application

NOW.

Your

7300

Power

Amplifier

will

give

you

many

years

satisfactory

performance.

you

have

any

questions,

please

contact,

CUSTOMER

SERVICE

McIntosh

Laboratory

Inc.

Chambers

Street

Binghamton,

New

York

13903-2699

Phone:

607-723-3512

McINTOSH

THREE

YEAR

SERVICE

CONTRACT—

— — — —

—

)

application

for

THREE

YEAR

SERVICE

CONTRACT

included

with

this

manual.

The

terms

the

contract

are:

the

instrument

covered

this

contract

becomes

defective,

McIntosh

will

provide

all

parts,

materials,

and

labor

needed

return

the

measured

perform-

ance

the

instrument

the

original

performance

limits

free

any

charge.

The

service

contract

does

not

cover

any

shipping

costs

and

from

the

authorized

service

agency

the

factory.

Any

McIntosh

authorized

service

agency

will

repair

all

McIntosh

instruments

normal

service

rates.

receive

the

free

service

under

the

terms

the

service

contract,

the

service

contract

certificate

must

accompany

the

instrument

when

taken

the

service

agency.

Always

have

service

done

McIntosh

authorized

service

agency.

the

instrument

modified

damaged

result

unauthorized

repair

the

service

contract

will

cancelled.

Damage

improper

use

mishandling

not

covered

the

service

contract.

The

service

contract

issued

you

the

original

purchaser.

protect

you

from

misrepresentation

this

contract

cannot

transferred

second

owner.

Units

operation

outside

the

United

States

and

Canada

are

not

covered

the

McIntosh

Factory

Service

Contract,

irrespective

the

place

purchase.

Nor

are

units

acquired

outside

the

USA

and

Canada,

the

purchasers

which

should

consult

with

their

dealer

ascertain

what,

any,

service

contract

warranty

may

available

locally.

де

~The

electrical

and

mechanical

design

the

7300

power

amplifier

the

result

the

many

years

engineering

and

manufacturing

experience

the

design

staff

McIntosh.

This

"Know

How”,

along

with

the

meticulous

attention

design

and

production

details,

makes

the

7300

one

the

finest

amplifiers

ever

produced

McIntosh

Laboratory.

The

use

complimentary

connected

output

transistors

per

channel,

allows

not

only

full

power

output

into

normal

loads,

but

extra

high

current

out-

-put

drive

uneven

speaker

loads.

Some

speaker

designs

have

impedance

characteristics

that

may

dip

low

ohms

certain

frequencies.

‘possible

for

the

7300

deliver

much

amperes

peak

current

into

these

lower

impedance

loads.

The

7300

will

supply

this

extra

current

output

with

complete

reliability

due

the

use

McIntosh

Sentry

Monitor

protection

circuits.

Some

power

amplifier

manufacturers

have

claimed

that

their

pro-

ducts

not

use

protection

circuits

since

they

com-

promise

performance.

The

real

genius

McIntosh

engineering

design

has

recognized

these

potential

problems

and

completely

eliminated

them.

Properly

designed

protection

circuits

assure

you

amplifier

hat

will

operate

under

all

types

user

conditions

with

maximum

reliability

and

freedom

from

possible

speaker

amplifier

damage.

The

benefits

these

designs

mean

you

own

amplifier

that

will

con-

tinue

operate

safely

for

many

years.

The

7300

output

distortion

free,

dif-

ficult

measure

with

conventional

instruments.

The

performance

limit

0.005%

maximum

distortion,

yet

typical

for

amplifier

measure

less

than

0.00296

mid

frequencies.

The

power

output

watt

meters

the

7300

are

peak

responding,

and

indicate

the

TRUE

power

out-

put

the

amplifier.

The

7300

meter

circuits

are

constantly

measuring

both

voltage

and

current

delivered

into

the

speaker

loads.

speaker

may

have

different

load

impedance

different

frequencies,

resulting

change

output

current.

The

7300

meters

properly

react

this

condition

and

indicate

Real

Output

power.

Other

desirable

features

are

included

such

high

current

gold

plated

output

terminals

that

will

cable

0.204

inches

diameter.

Balanced

input

connectors

are

also

provided

addition

the

nor-

mal

RCA

inputs.

all

Mcintosh

power

amplifiers,

the

famous

patented

McIntosh

POWER

GUARD

circuit

includ-

ed.

You

never

have

concerned

with

amplifier

overdrive

when

playing

wide

dynamic

range

program

sources

such

compact

discs.

Refer

the

technical

description

for

full

account

all

the

outstanding

circuit

and

performance

features

this

superb

power

amplifier.

INTRODUCTION

LOCATION

The

7300

may

installed

McIntosh

cabinet

custom

installed

furniture

your

choice.

Always

provide

adequate

ventilation.

The

trouble-free

life

electronic

instrument

greatly

extended

providing

sufficient

ventilation.

This

prevents

the

build-up

high

internal

temperatures

that

cause

deterioration

circuit

components.

Allow

enough

clearance

cool

air

can

enter

the

bottom

the

cabinet

and

vented

from

the

top.

Allow

least

1/2

inches

(3.8

cm)

above

the

amplifier

the

airflow

not

obstructed.

The

recommended

minimum

space

for

installation

inches

(43.2

cm)

wide,

inches

(40.7

cm)

deep,

(including

connectors),

and

inches

(20.3

cm)

high.

Allow

inch

(2.54

cm)

front

panel

for

knob

clearance.

CUSTOM

INSTALLATION

The

PANLOC

system

installing

equipment

conveniently

and

securely

product

McIntosh

research.

The

PANLOC

buttons

the

front

panel

will

lock

the

unit

firmly

place

when

turned

ap-

proximately

one-quarter

turn

clockwise.

one-

quarter

counterclockwise

turn

the

PANLOC

but-

tons

unlocks

the

chassis

from

its

mounting.

install

the

instrument

McIntosh

cabinet,

the

instructions

that

are

enlcosed

with

the

cabinet.

For

any

other

type

installation

these

instructions:

Unpack

from

Carton

Open

the

carton

and

remove

the

PANLOC

brackets,

hardware

package,

and

mounting

template.

Remove

the

instrument

from

its

plastic

bag

and

place

up-

side

down

the

shipping

pallet.

Unscrew

the

four

plastic

feet

from

the

bottom

the

chassis.

Mark

the

Cabinet

Panel

Tape

the

mounting

template

position

the

cabinet

panel

where

the

instrument

install-

ed.

The

broken

lines

that

represent

the

outline

the

rectangular

cutout

also

represent

the

outside

dimensions

the

chassis.

Make

sure

these

lines

clear

shelves,

partitions,

any

equipment.

With

the

template

place,

first

mark

the

six

and

holes

and

the

four

small

holes

that

locate

the

corners

the

cutout.

Then,

join

the

four

corner

markings

with

pencil

lines,

using

the

edge

the

template

straightedge.

Drill

Holes

Use

drill

with

3/16

inch

mm)

bit

held

perpen-

dicular

the

panel

and

drill

the

six

and

holes.

Then,

using

drill

bit

slightly

larger

than

the

tip

your

saw

blade,

drill

one

hole

each

two

diagonally

opposite

corners.

The

holes

should

barely

touch

the

inside

edge

the

penciled

outline.

Before

taking

the

step,

make

sure

that

the

six

and

holes

have

been

drilled.

ПЫ

Кара

Saw

the

Panel

Cutout

First

make

the

two

long

cuts

and

then

the

two

short

cuts.

After

the

rectangular

opening

has

been

cut

out,

use

file

square

the

corners

and

smooth

any

irregularities

the

cut

edges.

Install

the

Mounting

Strips

the

hardware

package

are

two

mounting

strips,

and

two

4-40

1-1/4"

(31.8

mm)

black

screws

that

have

flat

head.

Use

these

screws,

one

each

end,

fasten

the

mounting

strips.

They

are

attached

through

the

center

hole,

marked

the

template.

Make

sure

the

screw

heads

are

drawn

flush

slight-

into

the

wood

before

attaching

the

PANLOC

brackets.

Attach

the

PANLOC

Brackets

Using

two

6-32

1-1/4"

(31.8

mm)

screws

the

holes

each

side,

attach

the

PANLOC

brackets

the

cabinet

panel;

the

short

flange

mounted

against

the

front

(face)

the

cabinet

panel.

The

screws

pass

through

the

PANLOC

bracket

flange,

the

cabinet

panel,

and

then

through

the

mounting

strips

previously

mounted.

install

the

Instrument

Guide

the

power

cord

through

the

panel

opening

the

back

the

cabinet;

then,

slide

the

instrument

into

the

opening

carefully

that

the

rails

the

bottom

each

side

the

chassis

engage

the

tracks

the

mounting

brackets.

Continue

slide

the

in-

strument

into

the

cabinet

until

the

front

panel

flush

with

the

cabinet

panel.

Turn

the

PANLOC

but-

tons

the

lower

left

and

right

corners

the

instru-

ment

panel

clockwise

lock

the

unit

firmly

the

cabinet.

Turn

the

PANLOC

buttons

counterclockwise

unlock

the

instrument.

can

then

slide

outward

permit

the

removal

the

instrument

from

the

cabinet.

INSTALLATION

CONNECTING

CABLES

Use

shielded

cables

connect

the

signal

from

the

preamplifier

other

signal

source

the

power

amplifier.

minimize

the

possibility

hum,

the

cables

should

located

away

from

speaker

connect-

ing

cables

and

power

cords.

Use

good

quality

cables.

Your

dealer

can

advise

you

the

type

and

lengths

cables

that

will

best

suit

your

installation.

STEREO

OPERATION

(UNBALANCED

INPUTS)

Use

shielded

single

conductor

cable

with

RCA

type

plugs.

Connect

the

cable

from

the

left

channel

out-

put

preamplifier

the

LEFT

UNBALANCED

IN-

PUT

the

power

amplifier.

Connect

the

right

chan-

nel

output

the

RIGHT/MONO

UNBALANCED

INPUT.

Set

the

MODE

switch

STEREO.

STEREO

OPERATION

(BALANCED

INPUT)

Modern

technology

has

made

possible

build

preamplifiers

and

power

amplifiers

with

the

high

signal

noise

ratio

necessary

reproduce

the

sound

quality

present

compact

discs

any

other

wide

dynamic

range

signal

source.

possible

for

conventional

interconnecting

cables

pick

electrical

interference

from

other

equipment,

cables

electrical

appliances.

Using

the

balanced

inputs

provides

additional

40dB

protection

against

such

noise

pickup.

Use

conductor

shielded

cables

with

XLR

type

connectors

connect

between

the

preamplifier

and

the

power

amplifier.

The

maximum

effect

balanc-

cables

realized

when

both

the

preamplifier

and

power

amplifier

have

similar

XLR

balanced

connectors.

Connect

the

left

balanced

output

cable

from

preamplifier

the

LEFT

BALANCED

INPUT

the

power

amplifier.

Connect

the

right

output

the

RIGHT

BALANCED

INPUT.

configuration

for

the

XLR

INPUT

connectors

the

7300.

Shield

ground.

output.

stereo

installations

where

the

amplifier

and

preamplifier

are

each

other

and

require

in-

terconnecting

cables

six

feet

less,

using

quality

unbalanced

connecting

cables

usually

perfectly

satisfactory.

the

units

are

farther

apart

and

require

longer

interconnecting

cables,

using

balanced

cables:

will

give

extra

protection

from

noise

interference.

MONOPHONIC

BRIDGE

PARALLEL

rear

panel

MODE

switch

allows

the

amplifier

used

normal

STEREO,

MONO

(BRIDGE)

MONO

(PARALLEL).

When

switched

either

MONO

(BRIDGE),

MONO

(PARALLEL)

operation,

the

RIGHT

BALANCED

and

UNBALANCED

inputs

are

the

only

ones

used

for

the

mono

input

signal.

The

LEFT

inputs

are

automatically

disconnected.

Connect

the

appropriate

cable

from

preamplifier

other

mono

source

the

appropriate

RIGHT

UNBALANCED

BALANCED

amplifier

input.

HOW

CONNECT

INPUTS

2.5

SENSITIVITY

момо

ш!

SWITCH

2.5V

PLACE

MODE

SWITCH

MONO

STEREO

кай

PARALLEL

STEREO

CONNECTIONS

INPUT

SENSITIVITY

PLACE

INPUT

McINTOSH

PREAMPLIFIER

DIGITAL

DYNAMIC

STEREO

POWER

AMPLIFIER

EIN

USA,

Шпіае!т

мстзоо

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LEFT

OUTPUT

RIGHT

OUTPUT

в?

яв

етае...

ят

КУ

LEFT

OHM

SPEAKER

MONO

BRIDGE

CONNECTIONS

INPUT

SENSITIVITY

PLACE

INPUT

NON

2.5

SENSITIVITY

BRID

SWITCH

2.5V

PLACE

MODE

SWITCH

ira

MONO

(BRIDGE)

ГШ

PARALLEL

Пе

McINTOSH

PREAMPLIFIER

[o]

DIGITAL,

DYNAMIC

STEREO

POWER

AMPLIFIER

ecce

сте

===>

900000

LEFT

OUTPUT

RIGHT

OUTPUT

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а м

яв

фа

OHM

SPEAKER

CONNECTING

DIAGRAMS

MONO

PARALLEL

CONNECTION

MONO

BRIDGE

MONO

INPUT

SENSITIVITY

1.4

2.5

PLACE

MODE

SWTICH

MONO

(PARALLEL)

Ше

об!

мс7300

DIGITAL

AMPLIFIER

STEREO]

INPUT

SENSITIVITY

INPUTS

terr

пачтмоно

LEFT

OUTPUT

RIGHT

OUTPUT

[ЕЈ [ЕЈ

Ra вв

L—

Unmacanceo

—

[77

пмацеве

—

OHM

SPEAKER

PLACE

INPUT

SENSITIVITY

SWITCH

2.5V

CONNECTING

DIAGRAM

Andere Handbücher für MC 7300

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