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Your MC 2155 Stereo Power Amplifier
will give you many years of pleasant
and satisfactory performance. If you

have any questions, please contact:

CUSTOMER SERVICE

Mclntosh Laboratory Inc.

2 Chambers Street

Binghamton, New York 13903-9990
Phone: 607-723-3512

Take Advantage of 3 years

of Contract Service...

Fill in the Application NOW.

Contents

SERVICE 1

INSTALLATION 2

HOW TO CONNECT 4

FRONT PANEL INFORMATION 9

REAR PANEL INFORMATION 11

PERFORMANCE LIMITS AND RATINGS 12

PERFORMANCE CHARTS 13

TECHNICAL DESCRIPTION 15

BLOCK DIAGRAM 17

MclNTOSH THREE YEAR SERVICE CONTRACT

An application for A THREE YEAR 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. The SER-

VICE CONTRACT does not cover any

shipping costs to and from the authoriz-
ed service agency or the factory.

2. Any Mclntosh authorized service agency

will repair Mclntosh instruments at nor-

mal service rates. To receive service

under the terms of the SERVICE CON-
TRACT, the SERVICE CONTRACT CER-
TIFICATE must be presented when the

instrument is taken to the service agency.

3. Always have service done by a

Mclntosh authorized 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 mishan-

dling is not covered by the SERVICE

CONTRACT.

4. The SERVICE CONTRACT is issued to

you as the original purchaser. To pro-
tect you from misrepresentation, this

contract cannot be transferred to a se-
cond owner.

5. To receive the SERVICE CONTRACT,

your purchase must be made from a

Mclntosh franchised dealer.

6. Your completely filled in application for

the SERVICE CONTRACT must be post-

marked within 30 days of the date of
purchase of the instrument.

7. To receive the SERVICE CONTRACT, all

information on the application must be
filled in. The SERVICE CONTRACT will

be issued when the completely filled in

application is received by Mclntosh

Laboratory Incorporated in Binghamton,
New York.

8. Units in operation outside the United

States and Canada are not covered by
the Mclntosh Factory Service Contract,

irrespective of the place of purchase.
Nor are units acquired outside the

U.S.A. and Canada, the purchasers of

which should consult with their dealer
to ascertain what, if any, service con-
tract or warranty may be available locally.

Copyright 1981 © by Mclntosh Laboratory Inc.

1

Содержание MC 2155

Страница 1: ...THE MclNTOSH MC 2155 SOLID STATE STEREO POWER AMPLIFIER Reading Time 31 Minutes Price 2 00...

Страница 2: ...the rear panel of the chassis Record that serial number here Serial Number The model serial number and purchase date are im portant to you for any future service Record the pur chase date here Purchas...

Страница 3: ...esented when the instrument is taken to the service agency 3 Always have service done by a Mclntosh authorized service agency If the instrument is modified or damaged as a result of unauthorized repai...

Страница 4: ...he template as a straight edge 3 Drill Holes Use a drill with a 3 16 inch bit held perpendicular to the panel and drill the six A and B holes Then using a drill bit slightly wider than the tip of your...

Страница 5: ...the cabinet then slide the instrument into the opening carefully so that the rails on the bottom of each side of the chassis engage the tracks on the mounting brackets Continue to slide the instrumen...

Страница 6: ...re capable of handling the power output of the amplifier Selection of the proper gauge wire to connect the loudspeakers preserves the quality of sound repro duction for which the loudspeakers have bee...

Страница 7: ...d 16 ohms are accomodated Output connections are made by connecting to the output terminals as fisted below Note that neither output terminal is at ground potential For monophonic operation using the...

Страница 8: ...Stereophonic Connections PROGRAM SOURCE MUST BE IN STEREO POSITION FOR STEREO PROGRAMS 6 RIGHT SPEAKER LEFT SPEAKER...

Страница 9: ...Mono Bridge Connections PROGRAM SOURCE CONNECTIONS FOR 8 OHM SPEAKER ILLUSTRATED CONNECTIONS SHOWN FOR MONO WHEN MODE SWITCH IS IN THE MONO BRIDGE POSITION SPEAKER 7...

Страница 10: ...Mono Parallel Connections CONNECTIONS FOR 4 OHM SPEAKER ILLUSTRATED SPEAKER CONNECTIONS SHOWN FOR MONO WHEN MODE SWITCH IS IN THE MONO PARALLEL POSITION PROGRAM SOURCE 8...

Страница 11: ...el Ordinary meters lack the capability of in dicating the short interval information in a sound wave The mass of the meter movement is too great to respond to the nearly instantaneous changes in music...

Страница 12: ...rol the AC power from a preamplifier control center leave the switch in the ON position Be sure the AC cord of the MC 2155 is plugged into the controlled outlets on the rear of the preamplifier contro...

Страница 13: ...ght MONO channel input jack accepts signal and the Left channel input jack is disconnected INPUT LEVEL The Input sensitivity of the MC 2155 is 0 75 volts or 2 5 V depending on the position of the INPU...

Страница 14: ...common connections RATED POWER BAND 20 Hz to 20 000 Hz TOTAL HARMONIC DISTORTION STEREO 0 02 maximum harmonic distortion at any power level from 250 milliwatts to 150 watts from 20 Hz to 20 000 Hz bo...

Страница 15: ...Performance Charts PERFORMANCE CHARTS ARE FOR ONE STEREO CHANNEL WITH BOTH CHANNELS OPERATING MONO OPERATION IS IDENTICAL EXCEPT POWER IS DOUBLED FOR THE SINGLE MONO OUTPUT 13...

Страница 16: ...14...

Страница 17: ...ch or turn on delay system The first stage of the output power amplifier is a differential transistor pair biased for best linearity The offset to the differential pair is adjustable Cor rect adjustme...

Страница 18: ...ier is thereby simplified The test circuit uses logic counter BCD decoder lamp driver and voltage comparator integrated cir cuits METER CIRCUIT The meter circuit has three basic sections a loga rithmi...

Страница 19: ...17 Block Diagram MclNTOSH MC 2155 STEREO POWER AMPLIFIER...

Страница 20: ...2 CHAMBERS ST BINGHAMTON N Y 13903 2699 607 723 3512 The continuous improvement of its products is the policy of Mclntosh Laboratory Incorporated who reserve the right to improve design without notice...

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