McIntosh MA7200 operation manual

McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: [phone] www.mcintoshlabs.com

MA7200

Integrated Amplifier

Owner’s Manual

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

Thank You

Your decision to own this McIntosh MA7200 Inte­grated 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 pos­sible with all the features and functions of your new
McIntosh.

Please Take A Moment

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: ________________________________

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: [phone]
Fax: [phone]

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: [phone]
Fax: [phone]

Table of Contents

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

Connections:

Rear Panel Connections ....................................................... 7

(Separate Sheet) ...........................................................Mc1A

Connecting Components ..................................................... 8

Connection Diagrams (Separate Sheet) .................Mc2A/2B

Passthru Connections .......................................................... 9

Connecting for Bi-Amplification ...................................... 10

Connecting Loudspeakers ............................................ 11-12

Remote Control and Front Panel:

Remote Control Push-buttons ........................................... 14

How to use the Remote Control .........................................15

Copyright 2017 © by McIntosh Laboratory, Inc.

Front Panel Displays, Controls,

Push-buttons and Jack ....................................................... 16

Setup Mode:

How to Operate the Setup Mode ....................................... 17

Setup Functions:

Default Settings ......................................................... 17

Fi r m w a re Versi on ......................................................17

Source Input Renaming ........................................ 17-19

Output Settings .......................................................... 19

Power Control Triggers 1 and 2 .................................20

Data Ports ...................................................................20

Passthru ...................................................................... 21

Comm Port Baud Rate ............................................... 21

Remote Control Codes ............................................... 21

IR Sensor ....................................................................22

Power Mode ...............................................................22

Factory Reset .............................................................22

Microprocessor Reset ........................................................ 23

Operation:

How to Operate the MA7200 .......................................24-31

Trim Functions:

Balance .......................................................................24

Tone Control...............................................................25

Tri m Level ..................................................................25

Phono Adjustments ....................................................25

Mono/Stereo Mode ....................................................26

Meter Backlight .........................................................26

Display Brightness ..................................................... 26

Headphone HXD ........................................................27

Tone Control, Trim, Mute, Headphone Jack .............. 27

Power Output Meters, Power Guard .......................... 27

Using a Separate Power Amplifier ............................. 28

Using Output 2 and Passthru ...................................... 28

Tone Controls .............................................................. 29

Optical and Coaxial Digital Inputs ............................ 29

USB Input Operation with a Computer ...................... 30

Resetting the MA7200 to default settings .................. 30

Photo .................................................................................. 32

Specifications................................................................33-34

Packing Instructions .......................................................... 35

2

General Information

Ground

PIN 6

PIN 9

1. For additional connection information, refer to the
owner’s manual(s) for any component(s) connected
to the MA7200.

2. Apply AC Power to the MA7200 and other McIn­tosh Component(s) only after all the system compo­nents are connected together. Failure to do so may
cause a malfunction of system operations as the
Microprocessor’s Circuitry inside the components
is active when AC Power is applied.

3. The MA7200 includes an Auto Off Power Save
Feature and the default setting is enabled. For
additional information including how to disable it,
refer to page 22.

4. When Power Amplifier Protection Circuitry of
the MA7200 has activated, the Front Panel Power
Guard LEDs are illuminated continuously and the
sound will be muted.

5. When the Power Transformer has overheated due
to improper ventilation and/or high ambient operat­ing temperature, AC Power is removed from the
MA7200. Normal operation will resume when the
operating temperature is in a safe range again.

6. For the best performance and safety, it is important
to always match the impedance of the Loudspeaker
to the Power Amplifier connections. Refer to pages
10 thru 12.

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 Manufac­turer for additional information about the actual
impedance of the Loudspeaker before connecting

it to the McIntosh MA7200.

General Information, Connector and Cable Information

7. The MA7200 Remote Control is capable of operat­ing other components. For additional information
go to www.mcintoshlabs.com.

8. The IR Input, with a 1/8 inch mini phone jack, is
configured for non-McIntosh IR sensors such as
a Xantech Model DL85K Kit. Use a Connection
Block such as a Xantech Model ZC21 when two
or more IR sensors need to be connected to the
MA7200. The signal from a connected External
IR Sensor will have priority over the signal from
the Front Panel IR Sensor.

9. 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.

10. For additional information on the
MA7200 and other McIntosh Products please visit
the McIntosh Web Site at www.mcintoshlabs.com.

Connector and Cable Information

XLR Connectors

Below is the Pin configuration for the XLR Balanced
Input Connectors on the MA7200. Refer to the dia­gram for connection:
PIN 1: Shield/Ground
PIN 2: + Output

PIN 1

PIN 3: - Output

Power Control and Trigger Connectors

The Power Control Trigger Output Jacks send and
Passthru Input Jack receives Power
On/Off Signals (+12 volt/0 volt)
when connected to other McIntosh
Components. An additional connec­tion is for controlling the illumina­tion of the Power Output Meters

PIN 2

PIN 3

Main, Trig 1&2

and Pass-Thru

Power
Control

Meter
Illumination
Control

Ground

on McIntosh Power Amplifiers. A 3.5mm stereo mini
phone plug is used for connection to the Power Con­trol, Trigger and Passthru Outputs.

Data Port Connectors

The Data Out Ports send Remote
Control Signals to Source Compo­nents. A 3.5mm stereo mini phone
plug is used for connection.

Data
Signal

N/C

Data
Ground

IR IN Port Connectors

The IR IN Port also uses a 3.5mm
stereo mini phone plug and allows the
connection of other brand IR Receiv-

IR Data
Control

N/C

ers to the MA7200.

RS232-C Data Port Cable

The RS232 Data Cable is a 3.5mm stereo mini phone
plug to a sub miniature DB 9 connector:

DB9

Data In
(DB9-pin2)

Data Out
(DB9-pin3)

Ground
(DB9-pin5)

(male connector)

PIN 1

PIN 5

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. 6 m m)

3/10 of an inch
(7.6millimeters)

McIntosh Plug-In Jumper Connector

The MA7200 utilizes two phono style Plug-In Jumpers
to connect the Preamplifier Output to the
Power Amplifier Input.

Note: The Jumper Connector is available

from the McIntosh Parts Department:

McIntosh Jumper Connector Part No. 117781

3

Introduction

Now you can take advantage of traditional McIntosh
standards of excellence in the MA7200 Integrated
Amplifier. The Power Amplifier section of the
MA7200, with a power output of 200 watts per chan­nel, will drive a pair of quality Loudspeakers to a high
level of performance.

The flexible Preamplifier section provides connec­tions for various input sources and may also be used to
drive an external Power Amplifier(s).

The MA7200 reproduction is sonically transparent
and absolutely accurate. The McIntosh Sound is “The
Sound of the Music Itself.”

Performance Features

• Power Output with Patented Autoformer

The MA7200 consists of a 200 watts per channel
Power Amplifier with less than 0.005% distortion.
The McIntosh designed and manufactured Autoformer
allows connection of 2, 4 or 8 ohm Loudspeakers. The
Power Amplifier uses ThermalTrak1 Output Transis­tors for lower distortion and cool operation.

• Power Guard

The patented McIntosh Power Guard circuit prevents
amplifier clipping and protects your valuable Loud­speakers.

• Sentry Monitor and Thermal Protection

McIntosh Sentry Monitor power output stage protec­tion circuits ensure the MA7200 will have a long and
trouble free operating life. Built-in Thermal Protection
Circuits guard against overheating.

• Electronic Switching and Balanced Connections

The Preamplifier uses Logic Circuits Controlled

1

ThermalTrak™ and ON Semiconductor are trademarks of Semi-

conductor Components Industries, LLC

Electromagnetic Switches on all inputs and operating
functions for reliable, noiseless, distortion free switch­ing. There is a Balanced Input for connection of a
source component.

• Digital Audio Inputs

The Digital Inputs decode PCM and DSD Signals
from external sources. Coaxial and Optical Inputs
process Digital Signals up to 192kHz with 24-Bit
resolution. The Digital MCT Input Circuitry directly
decodes SACD/CD signals from an external Trans­port component. The USB Input for streaming audio
processes Digital Signals up to 384kHz with 32-Bit
resolution, decodes up to DSD256 Digital Signals and
DXD 24-Bit with a sampling rate up to 384kHz.

• Moving Coil and Moving Magnet Phono Inputs

The MA7200 has two precision Phono Preamplifier
Circuits for Moving Coil and Moving Magnet Phono
Cartridges. Both circuits use the latest designs to
provide the lowest possible noise, distortion and flat
frequency response. The MC Phono Cartridge Input
has selectable loading.

• Tone Controls

The Bass and Treble Trim Controls provide up to
12dB of boost or cut. The MA7200 remembers the
Bass and Treble Setting for each input.

• Multifunction Display and Power Meters

The Front Panel Display indicates source selection,
volume levels and setup functions. The Illuminated
Power Output Meters are peak responding, and indi­cate the power output of the amplifier.

Introduction and Performance Features

• Power Control Output and Trigger Assignment

A Power Control connection for convenient Turn-On
of McIntosh Power Amplifiers, Source Components
and Accessories is included. The Power Control Trig­ger Ouputs may be assigned to activate when a given
Input/Output is selected.

• PassThru Mode

The Automatic PassThru Mode allows the MA7200
to become part of a Multichannel Sound System for
DVD-Audio, SACD and Home Theater Movies.

• Remote Control

The Data Ports together with the supplied Remote
Control provide control of McIntosh Source Compo­nents connected to the MA7200.

• Special Power Supply

The large Power Transformer, multiple filter capaci­tors with 120 Joules of Energy Storage and regulated
Power Supply, ensures stable noise free operation even
though the power line varies.

• McIntosh Custom Binding Posts

McIntosh Patented gold plated output terminals deliver
high current output. They accept large diameter wire
and spade lugs. Banana plugs may also be used only in
the United States and Canada.

• Glass Front Panel and Super Mirror Chassis
Finish

The famous McIntosh Illuminated Glass Front Panel
uses long life Light Emitting Diodes (LEDs) and the
Stainless Steel Chassis with Super Mirror Finish
ensures the pristine beauty of the MA7200 will be
retained for many years.

4

Dimensions

The following dimensions can assist in determining
the best location for your MA7200. There is additional
information on the next page pertaining to installing
the MA7200 into cabinets.

Front View of the MA7200

17-1/2"

44.5cm

Dimensions

USB 35%
DSD256

Rear View of the MA7200

16-1/16"

40.8cm

7 -1/8"

18.1cm

6"

15.2cm

7 -5/8"

19.4cm

29/32"

1.8cm

1-5/8"

4.1cm

Side View of the MA7200

18-3/4"

47.6cm

16-1/2"

41.9cm

13"

33cm

1"

2.5cm

3/16"

0.5cm

6-1/4"

15.9cm

12-3/16"

31cm

5

Installation

Installation

The MA7200 can be placed upright on a table or
shelf, standing on its four feet. It also can be custom
installed in a piece of furniture or cabinet of your
choice. The four feet may be removed from the bottom
of the MA7200 when it is custom installed as out­lined below. The four feet together with the mounting
screws should be retained for possible future use if the
MA7200 is removed from the custom installation and
used free standing. The required panel cutout, ventila­tion cutout and unit dimensions are shown.

Always provide adequate ventilation for your
MA7200. Cool operation ensures the longest possible
operating life for any electronic instrument. Do not
install the MA7200 directly above a heat generating
component such as a high powered amplifier. If all
the components are installed in a single cabinet, a
quiet running ventilation fan can be a definite asset in
maintaining all the system components at the coolest
possible operating temperature.

A custom cabinet installation should provide the
following minimum spacing dimensions for cool
operation.

Allow at least 6 inches (15.24cm) above the top, 2
inches (5.08cm) below the bottom and 2 inches (5.1cm)
on each side of the Integrated Amplifier, so that air­flow is not obstructed. Allow 20 inches (50.8cm) depth
behind the front panel. Allow 1-7/6 inch (3.66cm) in
front of the mounting panel for knob clearance. Be
sure to cut out a ventilation hole in the mounting shelf
according to the dimensions in the drawing.

MA7200 Front Panel
Custom Cabinet Cutout

MA7200 Side View
in Custom Cabinet

MA7200 Bottom View
in Custom Cabinet

Cabinet
Front
Panel

Opening
for Ventilation

2"

5.1cm

6"

15.2cm

17-1/16"

43.34cm

USB 35%
DSD256

Cutout Opening for Custom Mounting

Cutout Opening for Ventilation

Support

1"

2.5cm

Shelf

14-1/2"

36.8cm

Cutout

Opening

for

Ventilation

13"

33cm

6 -5/8"

16.83cm

Chassis
Spacers

15-1/16"

38.3cm

Note: Center the cutout Horizontally
on the unit. For purposes of
clarity, the above illustration
is not drawn to scale.

6

13-5/16"

33.8cm

Rear Panel Connections

The identification of Rear Panel Connections for the
MA7200 Integrated Amplifier is located on a separate
folded sheet contained in the Owner’s Manual Packet.
Refer to separate sheet “Mc1A” for the Rear Panel
Connections.

MA7200 Rear Panel Connections

MA7200 Integrated Amplifer

7

Connecting Components

The MA7200 has the ability to automatically switch
power On/Off to McIntosh Source Components via
the Power Control (Trigger) connections. The Data
Port Connections allow for the remote operation of
basic functions using the MA7200 Remote Control.
With an external sensor connected to the MA7200, re­mote control operation of the system is possible from
another room and/or when the MA7200 is located in a
cabinet with the doors closed.

The connection instructions below, together with
the MA7200 Input and Output Connection Diagrams
located on the separate folded sheet “Mc2A/2B”, are
an example of a typical audio system. Your system
may vary from this, however the actual components
would be connected in a similar manner. For addition­al information refer to “Connector and Cable Informa­tion” on page 3.

Power Control Connections:

1. Connect a Control Cable from the MA7200 POW­ER CONTROL MAIN Jack to the Power Control
In on the Turntable.

2. Connect a Control Cable from the McIntosh Turn­table Power Control Out Jack to the Digital Audio
Player Trigger In Jack.

3. Connect a Control Cable from the Digital Audio
Player Trigger Out Jack to the SACD/CD Trans­port Power Control In Jack.

4. Connect a Control Cable from the SACD/CD
Transport Power Control Out Jack to the AM/FM
Tuner Power Control In Jack.

5. Connect a Control Cable from the AM/FM Tuner
Power Control Out Jack to the Media Server PWR
CTRL (Power Control) In Jack.

6. Optionally connect a Control Cable from the
MA7200 POWER CONTROL TRIG (Trigger) 2

Jack to the Power Amplifier (Secondary Room)
Power Control In Jack.

7. Connect any additional McIntosh Components in a
similar manner, as outlined in steps 1 thru 4.

Data Control Connections:

8. Connect a Control Cable from the MA7200 DATA
PORT Jack 3 to the SACD/CD Player Data In
Jack.

9. Connect a Control Cable from the MA7200 DATA
PORT Jack 2 to the AM/FM Tuner Data In Jack.

10. Connect a Control Cable from the MA7200 Jack 1
to the Media Server Data In Jack.

11. Connect any additional McIntosh Components in a

similar manner, as outlined in steps 8 thru 10.

Sensor Connection:

12. Optionally, connect the cable with stereo mini
plug coming from the compatible External Sensor
to the EXT CTRL (External Control) IR IN Jack
on the MA7200. Refer to page 3 “General Infor­mation, note 8” for additional information.

Audio Connections:

13. Connect Balanced Cables from the MA7200 BAL­ANCED INPUT L & R Connectors to the Media
Server Audio Output Balanced Connectors.

14. Connect Audio Cables from the MA7200 Number
1 UNBALANCED Jacks to the AM/FM Tuner
UNBAL Output Jacks.

15. Connect the Audio Cables coming from the Turn­table to the MA7200 MC (for a Moving Coil Car­tridge) or MM (for a Moving Magnet Cartridge)
INPUT Jacks.

16. Optionally, connect Audio Cables from the
MA7200 OUTPUT 2 Jacks to the Power Amplifier
(Secondary) Input Jacks.

17. Connect any additional Components in a similar
manner, as outlined in steps 13 thru 16.

Connecting Components

Optional Digital Audio Connections:

18. Connect an Optical Cable from the MA7200
OPTICAL 1 Digital Audio Input Connector to the
Digital Audio Out Optical Connector on the Digi­tal Audio Player.

19. Using the “MCT Cable-Twisted Pair” cable (sup­plied with a MCT Transport), connect the cable
from the MA7200 MCT DIGITAL AUDIO INPUT
Connector to the SACD/CD Transport MCT (DIN)
Output Connector.

20. Connect any additional Components in a similar
manner, as outlined in steps 18 thru 19.

Optional USB Connection:

21. Connect a USB cable with (Type A to Type B)
connectors from the MA7200 USB D/A Digital
Audio Input to an available USB connector.

Ground Connections:

22. Connect the Ground Cable coming from the Turn­table to the MA7200 GND Binding Post.

Notes: 1. If the MA7200 is part of a Home Theater

System, proceed to “PassThru” connection on
page 9.

2. When the MA7200 will used together with a
separate Power Amplifier for Bi-Amplification
of a Loudspeaker System, proceed to page 10.

8

Passthru Connections

The MA7200 can be part of a Multichannel Sound
System for BLU-RAY-Audio, DVD-Audio and Home
Theater Movies. The Right and Left Front Channels
from an Audio/Video Control Center can “Passthru”
the MA7200. In the following example the UNBAL­ANCED 5 Input will become the “Passthru” input:

1. Connect Audio Cables from the A/V Processor
FL (Front Left) and FR (Front Right) Channel
Outputs to the MA7200 UNBALANCED Num­ber 5 INPUTS Left and Right Jacks.

2. Connect a Control Cable from the A/V Proces­sor TRIGger 2 Output to the MA7200 POWER
CONTROL PASSTHRU INPUT Jack.

Note: Refer to Setup “Passthru” on page 21 to assign

the Number 5 INPUT as the “Passthru” Input.

3. Proceed to “Connecting Loudspeaker” on
Page 11.

Passthru Connections

A/V Processor

9

Connecting for Bi-Amplification

The MA7200 Power Amplifier, together with an ad­ditional separate Power Amplifier, may be used to
Bi-Amplify a Loudspeaker System. In the illustration
on this page, the Power Amplifier of the MA7200 is
connected to the Midrange/High Frequency Section
of the Loudspeaker. The additional separate Power
Amplifier is connected to the Low Frequency Section
of the Loudspeaker System.

Warning: The Loudspeaker System used for

Bi-Amplification must have the
jumpers removed from between the
MID/HIGH and LOW Frequency
Sections of the Loudspeaker System.
Failure to remove them could result
in damage to the MA7200 and/or the
separate Power Amplifier.

MA7200 Connections:

1. Remove the “McIntosh Jumpers” from between
the OUTPUT 1 Jacks and the PWR AMP In Jacks
located on the Rear Panel of the MA7200.

Note: Place the “McIntosh Jumper” in a safe place

for possible future use.

2. Using a pair of shielded RCA Type Audio “Y”
Adapters connect the OUTPUT 1 Jacks to the
PWR AMP In Jacks, for both Left and Right
Channels.

3. Connect the remaining unconnected part of the
“Y” Adapters to the separate Power Amplifier.

4. Referring to the Loudspeaker Connection Instruc­tions on page 11, and in the Owner’s Manual sup­plied with the Power Amplifier and Loudspeaker,
connect the MA7200 Output Terminals to the
Loudspeaker MID/HIGH Input Terminals.

Note: The Loudspeaker Connection illustrations

on this page are for the Left Channel. Con­nect the Right Channel Loudspeaker in the
same manner.

“Y” adapter Cable

Power Amplier

Connecting for Bi-Amplification

Left Channel
Loudspeaker

-

+

10

Output Terminals

When connecting the Loudspeaker Hookup Cables to
the MA7200 Amplifier Output Terminals please fol­low the steps below:

1. Rotate the top of the Output Terminal Post coun­terclockwise until an opening

appears. Refer to gures A and

B.

2. Insert the Loudspeaker hookup
cable into the Output Terminal
Post opening or the cable spade
lug around the center post of

Figu re A

Opening

Figu re B

the Output Terminal. Refer to

gure C.

3. Rotate the top of the Output
Terminal Post clockwise until it

is nger tight. Refer to gure D.

4. Place the supplied McIntosh

Figu re C Figu re D

Wrench over the top of the Out­put Terminal and rotate it one
quarter of a turn (90°) to secure
the Loudspeaker Cable Connec­tion. Do not over tighten. Refer

Figu re E

to gure E.

How to Connect Loudspeakers

Caution: Do not connect the AC Power Cord to the

MA7200 Rear Panel until after the Loudspeaker
Connections are made. Failure to observe this
could result in Electric Shock.

The connection instructions below, together with the
MA7200 Connection Diagram located on the separate
folded sheet “Mc2B”, is an example of a typical audio
system. Your system may vary from this, however the
actual components would be connected in a similar
manner. For additional information refer to “Connec­tor and Cable Information” on page 3.

The McIntosh MA7200 Power Amplifier Circuitry
is designed for Loudspeakers with an impedance of
2 ohms, 4 ohms or 8 ohms. Connect a single Loud­speaker only to the Right and Left Output Terminals.

When connecting Loudspeakers to the MA7200
it is very important to use cables of adequate size, so
there is little to no power loss in the cables. The size is
specified in Gauge Numbers or AWG (American Wire
Gauge). The smaller the Gauge number, the larger the
wire size:

Loudspeaker Cable Distance vs Wire Gauge Guide

Loudspeaker

Impedance

2 Ohms

4 Ohms

8 Ohms

25 feet

(7.62 meters)

or less

12AWG 10AWG 8AWG

14AWG 12AWG 10AWG

16AWG 14AWG 12 AWG

50 feet

(15.24 mete rs)

or less

100 fe et

(30. 48 meters)

or less

1. Prepare the Loudspeaker Hookup Cable for attach­ment to the MA7200 Power Amplifier:

Bare wire cable ends:
Carefully remove sufficient insulation from the
cable ends, refer to figures F, G & H. If the cable
is stranded, carefully twist the strands together
as tightly as possible.

Figure F

Notes: 1. If desired, the twisted ends can be tinned

with solder to keep the strands together.

2. The prepared bare wire cable ends may be
inserted into spade lug connectors.

3. Banana plugs are for use in the United
States and Canada only.

Figure G

Figure H

Banana Plugs are for use in the United States and
Canada only:

2. Attach the previously prepared bare wire cable ends
into the banana plugs and secure
the connections. Refer to figure I.

3. Rotate the Output Terminal Post

clockwise until it is nger tight.
Refer to gure J. Then using the

Figure I

McIntosh Wrench, rotate the top of
the Output Terminal one quarter of
a turn (90°). Do not over tighten.

Refer to gure E.

4. Referring to figure K, connect the

Loudspeaker hookup cables with

Figure J

banana plugs into the hole at the
top of the terminal to
the MA7200 Negative
Output Terminal and
Positive Output Termi-

nal indentified as 2Ω
(ohms), 4Ω (ohms) or

Figure K

8Ω (ohms) connection

to match the impedance of the Loudspeaker, being
careful to observe the correct polarities.

Note: The illustration located on the separate

folded sheet “Mc2B” is for connection to an

8Ω (ohms) Loudspeaker.

If the Loudspeaker’s impedance is in-between
the available connections, use the nearest lower
impedance connection. Refer to “General Informa­tion” Note 6 on page 3 for additional information.

WARNING: Loudspeaker terminals are hazard-

ous live and present a risk of electric
shock. For additional instruction on
making Loudspeaker Connections con­tact your McIntosh Dealer or McIn­tosh Technical Support.

11