AM/FM Tuner
MR85
Owner’s Manual
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549
The lightning flash with arrowhead,
within an equilateral triangle, is intended
to alert the user to the presence of
uninsulated “dangerous voltage” within
the product’s enclosure that may be of
sufficient magnitude to constitute a risk
of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the
user to the presence of important
operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING - TO REDUCE RISK OF
FIRE OR ELECTRICAL SHOCK, DO
NOT EXPOSE THIS EQUIPMENT TO
RAIN OR MOISTURE.
IMPORTANT SAFETY
INSTRUCTIONS!
PLEASE READ THEM BEFORE
OPERATING THIS EQUIPMENT.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce
heat.
9. Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding
type plug has two blades and a third grounding
prong. The wide blade or the third prong are
provided for your safety. If the provided plug
does not fit into your outlet, consult an electrician
for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or
pinched particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.
NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO
QUALIFIED PERSONNEL.
To prevent the risk of electric shock, do not remove cover or
back. No user-serviceable parts inside.
11. Only use attachments/accessories specified by the
manufacturer.
12. Use only with the cart, stand, tripod, bracket, or
table specified by the manufacturer,
or sold with the apparatus. When a
cart is used, use caution when moving
the cart/apparatus combination to
avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or
when unused for long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has
been damaged in any way, such as power-supply
cord or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
15. Do not expose this equipment to dripping or
splashing and ensure that no objects filled with
liquids, such as vases, are placed on the
equipment.
16. To completely disconnect this equipment from
the a.c. mains, disconnect the power supply cord
plug from the a.c. receptacle.
17. The mains plug of the power supply cord shall
remain readily operable.
2
Outdoor Antenna Grounding
If an outside antenna or cable system is connected to
the product, be sure the antenna or cable system is
grounded so as to provide some protection against
voltage surges and built-up static charge. Article 810
of the National Electrical Code, ANSI/NFPA 70, provides information with reguards to proper grounding
of the mast and supporting structure, grounding of the
lead-in wire to an antenna discharge unit, and size of
ground conductors, location of antenna-discharge unit,
connection to ground electrodes and requirements for
the grounding electrode.
Example of antenna grounding as per
National Electrical Code, ANSI/NFPA 70
Safety Instructions
3
Thank Y ou
Table of Contents
Your decision to own this McIntosh MR85 AM/FM Tuner
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:
T echnical 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: 607-723-1545
Fax: 607-723-3636
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
Copyright 2001, 2004 © by McIntosh Laboratory, Inc.
Safety Instructions ............................................................ 2
Thank You and Please Take a Moment............................. 2
Technical Assistance and Customer Service .................... 2
Table of Contents and Important Information .................. 2
Connector Information ..................................................... 5
Introduction and Performance Features............................ 5
Dimensions ....................................................................... 6
Installation ........................................................................ 7
MR85 Rear Panel and RAA1 Top Panel Connections ..... 8
How to Connect ................................................................ 9
How to Connect with Optional Tuner Module............... 10
Front Panel Controls, Displays,
Push-Buttons and Switch................................................ 11
How to Operate............................................................... 12
How to Assign Preset Stations and Custom Names ....... 14
Preset Station Lists ......................................................... 16
Information about the Optional TM1 Tuner Module...... 17
Specifications ................................................................. 18
Packing Instruction ......................................................... 19
Important Information
1. The following Connecting Cable is available from the
McIntosh Parts Department:
Data and Power Control Cable Part No. 170-202
Six foot, 2 conductor shielded, with two 1/8 inch stereo
mini phone plugs.
RAA1 AM Antenna Connecting Cable Part No. 171-371
Thirty foot, 2 conductor shielded, with 7 pin DIN Plug
and 5 pin Terminal Plug.
2. For additional connection information, refer to the owner’s
manual(s) for any component(s) connected to the MR85.
3. The MR85 Tuner has the provision for adding an optional
second TM1 Tuner Module and is available from your
McIntosh Dealer. With the addition of this second tuner
module, you can be listening to two different radio stations
simultaneously. This allows for such capabilities as listening
to one station while recording a different station or listening
to one station, while another station is being listened to in a
second room.
4. Several different types of FM antennas or cable reception can
be used with the MR85.
A. A flexible indoor dipole antenna makes a convenient
antenna for high signal strength areas and may be
effective in buildings without metal siding or insulation.
B. An existing outdoor directional VHF-TV/FM or FM
Antenna with a rotor can be connected and will provide
the best reception. Consult your McIntosh Dealer for
assistance.
C. A signal from your local cable company can also be
connected. Consult your cable company for installation
assistance.
5. FM Antenna connections to the MR85 require either RG6 or
RG59U coaxial cable.
4
Connector Information
Introduction and Performance Features
RAA1 Connector
Connect the shield and two leads of a shielded 2 conductor
cable to the supplied 5 Pin Terminal Connector Plug. Refer
to the connection information on the top cover of the
RAA1.
5 PinTerminal Connector
1. N/C 4. Black Wire
2. N/C 5. Green Wire (Shield)
3. Red Wire
7 Pin DIN Connector
1. Red Wire 5. N/C
2. Black Wire 6. Jumper from Pin 7
3. N/C 7. Green Wire (Shield)
4. N/C and Jumper to Pin 6
Power Control Connectors
The MR85’s Power Control Output
provides a 5 volt signal. Use a 1/8
inch stereo mini phone plug to connect to the Power Control Output on
other McIntosh Components.
Data Connectors
The MR85’s Data Port Output provides Remote Control Signals. Use
a 1/8 inch stereo mini phone plug
to connect to the Data Port Inputs
on McIntosh A/V Control Centers.
Positive
Data Signal
Black
Red
N/C
Negative
N/C
Ground
Green
Introduction
The MR85 AM/FM Tuner is an elegant instrument that allows you to enjoy outstanding music reproduction. It includes a wide range of convenient operating functions to
enhance your listening experience. The classic McIntosh
MR85 will perfectly compliment a McIntosh System of
incomparable performance and style.
Performance Features
••
• Special FM RF Amplifier
••
Double-Diffused Metal Oxide Field Effect Transistor
(DMOS-FET) RF amplifier increases sensitivity and Cross
Modulation rejection.
••
• External AM RF Amplifier and Antenna
••
The included RAA1 Remote AM Antenna contains an electrostatically shielded AM RF Amplifier Stage and can be
located in a remote area away from sources of interference
assuring the best possible reception.
• •
• Flywheel Manual Tuning and Automute
• •
A newly designed, optically encoded weighted flywheel
system makes ‘dialing in’ stations a breeze. Reminiscent of
the dial-cord flywheel tuning method found in classic
McIntosh Tuners. The MR85 automatically mutes when
manually tuning between stations, yet provides the ability
to be switched off when searching for very weak stations.
• •
• FM Stereo Auto Blend Circuitry and
• •
Spatial Sound Enhancement
An automatic variable stereo separation control circuit is
used to reduce background noise when receiving weak stereo stations. A sound Spatializer circuit can be selected for
Tuner 1 Enhancement. This circuit can expand the sound
field for FM stations with poor separation; it also provides
a pseudo-stereo effect for AM stations.
••
• Optional Second Tuner Module
••
The McIntosh TM1 Tuner Module may be added to the
MR85 by your Dealer and is the most economical way to
add a second tuner to a system. This is ideal for applications where two tuners may be used at the same time, such
as Multizone Systems or listening to one station while recording another station.
••
• Preset Stations and Custom Preset Naming
••
Nine AM and nine FM station presets with custom naming
(any desired name may contain up to eight characters) for
each tuner module make it easy to listen to your favorite
stations. For example, FM Preset Number 3 (92.50MHz)
can be renamed “JAZZ 7”, or “WXYZ”. The station presets, custom naming and functions modes are retained in
Permanent Memory even when AC power is turned off.
••
• Alphanumeric Fluorescent Display
••
The Multifunction Front Panel Display indicates station
frequency, station preset number, custom naming, signal
strength, stereo and broadcast band. The display intensity is
fully adjustable.
• •
• Adjustable Output Level and Remote Control
• •
Capable
Both Tuner 1 and the optional Tuner 2 have Variable Outputs which can be used to match audio levels between various sources. When used in conjunction with a McIntosh
Control Center or Multizone Controller, tuning functions
can be performed with a remote control.
5
MR85 Dimensions
17-
1/2
"
44.45cm
4 -
5/8
"
11.75cm
6"
15.24cm
17"
43.18cm
18-
3/8
"
46.67cm
3/16
"
0.48cm
4-
13/16
"
12.22cm
14"
35.56cm
1"
2.54cm
13 -
1/4
"
33.65cm
17"
43.18cm
5/8
"
1.59cm
Front View of the MR85
Rear View of the MR85
Side View of the MR85
5 -
3/8
"
13.69cm
13/16
"
2.06cm
The following dimensions can assist in determining the
best location for your MR85. There is additional information on the next page pertaining to installing the MR85 into
cabinets.
Dimensions
6
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