McIntosh MR 78 Скачать руководство пользователя страница 3

Your MR 78 FM/FM Stereo Tuner

will give you many years of

pleasant and satisfactory
performance. If you have any
questions concerning the operation

or maintenance of this instrument,

please contact:

CUSTOMER SERVICE

Mclntosh Laboratory Inc.

2 Chambers Street

Binghamton, New York 13903
Phone: 607-723-3512

Take Advantage of 3 years

of FREE Factory Service . . .

Fill in the Application NOW.

CONTENTS

GUARANTEE 1

INSTALLATION 2,3

HOW TO CONNECT 4,5

BACK PANEL INFORMATION 6

FRONT PANEL INFORMATION 6,7

LISTENING TO THE MR 78 TUNER 8

PERFORMANCE LIMITS 9

TYPICAL PERFORMANCE CHARTS 10,11

TECHNICAL DESCRIPTION 12,13,14

BLOCK DIAGRAM 15,16

Mclntosh Laboratory Incorporated guarantees this

Instrument to be capable of performance as adver-

tised. We also guarantee the mechanical and elec-
trical workmanship and components to be free of

defects for a period of 90 days from date of pur-
chase. If such defects occur, Mclntosh Laboratory

GUARANTEE

or one of its authorized agencies will repair the
defect at no cost to the purchaser. This guarantee
does not extend to components damaged by im-
proper use nor does it extend to transportation to
and from the factory or service agency.

THREE YEAR FACTORY SERVICE CONTRACT

An application for a FREE THREE YEAR FACTORY

SERVICE CONTRACT is included with this manual.

The terms of the contract are:

1. Mclntosh will provide all parts, materials and

labor needed to return the measured performance
of the instrument to the original performance

limits free of any charge. The SERVICE CON-

TRACT does not cover any shipping costs to and
from the authorized service agency or the factory.

2. Any Mclntosh authorized service agency will re-

pair all Mclntosh instruments at normal service

rates. To receive the free service under the terms
of the SERVICE CONTRACT, the SERVICE CON-

TRACT CERTIFICATE must accompany the instru-

ment when taken to the service agency.

3. Always have service done by a Mclntosh author-

ized service agency. If the instrument is modified

or damaged, as a result of unauthorized repair the

SERVICE CONTRACT will be cancelled. Damage
by improper use or mishandling is not covered by

the SERVICE CONTRACT.

4. The SERVICE CONTRACT is issued to you as the

original purchaser. To protect you from misrepre-
sentation this contract cannot be transferred to a

second owner.

5. The SERVICE CONTRACT is given to purchasers

who live In the 50 United States or Canada only.

6. For your protection Mclntosh selects Its dealers

carefully. Only one dealer in ten qualifies for a
Mclntosh franchise. To receive the SERVICE
CONTRACT your purchase must be made from a

Mclntosh franchised dealer.

7. Your completely filled in application for a SERV-

ICE CONTRACT must be postmarked within 30

days of the date of purchase of the instrument.

8. To receive the SERVICE CONTRACT all informa-

tion on the application must be filled in. The
SERVICE CONTRACT will be issued when the
completely filled in application is received at
Mclntosh Laboratory Incorporated In Binghamton,

New York. If the application is not received at

Mclntosh Laboratory, only the service offered

under the 90-day guarantee will apply.

Copyright © 1972 By Mclntosh Laboratory Inc.

1

Содержание MR 78

Страница 1: ...THE McINTOSH MR 78 SOLID STATE FM FM STEREO TUNER Reading Time 32 Minutes Price 1 25...

Страница 2: ......

Страница 3: ...ree of any charge The SERVICE CON TRACT does not cover any shipping costs to and from the authorized service agency or the factory 2 Any Mclntosh authorized service agency will re pair all Mclntosh in...

Страница 4: ...ind the panel With the template in place mark the six A and B holes and four small holes locating the corners of the cutout Next join the four corner marks with pencil lines the edge of the template m...

Страница 5: ...nel At the bottom front corners of the instrument are the PANLOC buttons Depressing the PANLOC buttons will lock the instrument firmily in the cab inet Depressing the PANLOC buttons a second time as w...

Страница 6: ...lied with the MR 78 An outdoor antenna is recommended for optimum performance in all areas In fringe outlying areas best results will be obtained with a highly directional FM antenna used in conjuncti...

Страница 7: ...FM ANTENNA OPTIONAL 75 ANTENNA LEAD IN LEFT SPEAKER POWER AMPLIFIER PREAMPLIFIER RIGHT SPEAKER 5...

Страница 8: ...the VOLUME control Turning the volume control fully counterclockwise turns the AC power off TUNING DIAL AND METER The MR 78 has two dial scales 1 FM scale marked 88 to 108 MHz 2 Logging scale marked...

Страница 9: ...d steady SELECTIVITY SWITCH AND INDICATOR The SELECTIVITY switch allows stereo reception even under severe receiving conditions Setting the SELECTIVITY switch to NORMAL connects a very low distortion...

Страница 10: ...ereo If a station is not transmitting the 19 000 Hz pilot for stereo the STEREO indicator will remain off and the tuner will automatically switch to mono When the MODE switch is set to STEREO ONLY mon...

Страница 11: ...frequencies from 20 Hz to 15 000 Hz with peak modulation equal to 100 or less Typically 0 1 9 MAXIMUM SIGNAL INPUT 12 volts across 300 ohm antenna terminals will not increase harmonic or intermodulati...

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Страница 14: ...ed at 104 3 MHz would not bother the signal at 96 3 MHz When tuned to 104 3 MHz the tuner will not overload All MR 78 tuners must pass the 12 volt overload test The MR 78 has an antenna matching circu...

Страница 15: ...e mathematics for the design of the IF filter It would have taken an engineer working twen ty four hours a day seven days a week and working error free three hundred years to perform the same mathemat...

Страница 16: ...nt It consists of two two transistor amp ifiers one for each channel The design uses consider able negative feedback to help achieve low distortion wide frequency response and excellent stability Each...

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Страница 20: ...McINTOSH LABORATORY INC 2 CHAMBERS ST BINGHAMTON N Y 13903 607 723 3512 Design subject to change without notice Printed in U S A 038 580...

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