AM/FM Tuner MR85 Owner’s Manual McIntosh Laboratory, Inc.
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. 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.
Safety Instructions 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.
Thank You 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. Safety Instructions ..................................
Introduction and Performance Features Connector Information 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. Black Red Green 5 PinTerminal Connector 1. N/C 4. Black Wire 2. N/C 5. Green Wire (Shield) 3. Red Wire A newly designed, optically encoded weighted flywheel system makes ‘dialing in’ stations a breeze.
Dimensions MR85 Dimensions 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. 17-1/2" 44.45cm 5 -3/8" 13.69cm Front View of the MR85 6" 15.24cm 17" 43.18cm 4 -5/8" 11.75cm Rear View of the MR85 13 -1/4" 33.65cm 18-3/8" 46.67cm 5/8" 1.59cm 17" 43.18cm 3/16" 0.48cm Side View of the MR85 4-13/16" 12.22cm 13/16" 2.06cm 14" 35.56cm 6 1" 2.
Installation Installation The MR85 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 MR85 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 MR85 is removed from the custom installation and used free standing.
MR85 Rear Panel and RAA1 Top Panel Connections ANTENNA 1 RAA1 AM ANT connector for the supplied McIntosh Remote AM Antenna TUNER 1 VARIABLE OUTPUTS supply audio signals that can be adjusted by the rear panel TUNER 1 OUTPUT LEVEL control ANTENNA 1 75Ω (ohm) FM ANT connects to an external FM antenna or cable TUNER 1 OUTPUT LEVEL control adjusts the volume level of the Variable Outputs EXT TUNER connects to the MR85 Tuner RAA1 ANTenna 1 Input 8 TUNER 2 OUTPUT LEVEL control reserved for the optional TM1
How to Connect How to Connect 1. Connect a data cable from the TUNER 1 DATA IN jack to the TUNER DATA PORT of a McIntosh Control Center or Preamplifier. Note: Remote Control operation of the Tuner is made possible with a Data Cable connected between the MR85 and a McIntosh Control Center or Preamplifier. If the MR85 Tuner is connected to a non-McIntosh Preamplifier, remote control operation is still possible with an appropriate interface and McIntosh Remote Control.
How to Connect with Optional Tuner Module How to Connect with Optional Tuner Module 1. Connect a data cable from the TUNER 1 DATA IN jack to the TUNER DATA PORT of a McIntosh Multizone Control Center. Note: Remote Control operation of the Tuner is made possible with a Data Cables connected between the MR85 and a McIntosh Control Center or Preamplifier.
Front Panel Controls, Displays, Push-Buttons and Switch Enters desired radio stations and custom names into memory Indicates the Broadcast Band of the Radio Station Indicates the Preset Memory Location Selects Preset Stations, is used for custom station naming and display brightness Selects front panel display brightness and display cursor position during custom station naming Adds Spatial Audio Enhancement to the received sound Indicates the Radio Station Frequency Selects the Mono Mode of operatio
How to Operate Power On Press the POWER switch to ON. The Red LED, above the STANDBY/ON Push-button, lights to indicate the MR85 is in Standby Mode. To turn ON the MR85 press the STANDBY/ON push-button. Refer to figure 1. Note: The POWER Switch is only intended to be switched OFF when the MR85 Tuner is not used for extended periods of time, like while away on vacation. During normal operation, the POWER Switch should stay in the ON position. Press the STANDBY/ON Push-button for turning the MR85 ON and OFF.
How to Operate Enter Mode The ENTER Push-button is used to enter into memory, desired AM or FM radio stations and any custom naming you might wish. A station Preset and its custom name may also be cleared from memory using the ENTER Push-button. The LED above the ENTER Push-button will light when in the Preset Enter Mode. Display Modes Press the DISPLAY Push-button and rotate the PRESET Knob to adjust the Front Panel Alphanumeric Display Brightness from 0 (Off) to 31 (Bright), refer to figure 3.
in Standby Mode. To turn ON the MR85, press the STANDBY/ON Push-button. Note: The above condition is usually caused by either interruptions or changes in AC voltage. How to Assign Preset Stations The MR85 AM/FM Tuner allows for presetting your favorite radio stations into memory. It will also remember any desired audio modes of operation such as Stereo/Mono and Spatial Enhancement for each station separately.
How to Assign Preset Stations and Custom Names push-button. The LED above the ENTER push-button will light. 2. Select Station Preset Number 1, by rotating the PRESET Knob clockwise or counterclockwise. 3. Push the DISPLAY Push-button and the Front Panel Display of the Station Frequency (default) will be replaced by “1”, a blank space, and then a flashing “A”. Refer to figure 7. 10. Rotate the PRESET Knob clockwise again until the “A” appears to the right of the “JAZZ”. 11.
Preset Station Lists Preset No. Tuner 1 Preset Stations Tuner 2 (Optional Module) Preset Stations AM Station Presets AM Station Presets Frequency Call Letters Name Preset No. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 FM Station Presets Preset No. 16 Frequency Call Letters Frequency Call Letters Name FM Station Presets Name Preset No.
Information about the Optional TM1 Tuner Module Cable for connection of the RAA1 to the MR85 AM Antenna 2 Jack McIntosh RAA1 Remote AM Antenna Hook-up cables for the McIntosh TM1 AM/FM Tuner Module High Performance McIntosh AM/FM Tuner Module Benefits of Adding the Second McIntosh AM/FM TM1 Tuner Module z Adds the functionality of a second McIntosh Quality Tuner to your MR85 for a modest additional investment. z Listen to one Radio Station while recording another.
Specifications FM Tuner Specifications AM Tuner Specifications Useable Sensitivity 14dBF which is 1.4uV across 75 ohms Sensitivity 20uV External Antenna Input 50dB Quieting Sensitivity Mono: 19dBF which is 2.4uV across 75 ohms Stereo: 35dBF which is 15uV across 75 ohms Signal To Noise Ratio 48dB at 30% modulation 58dB at 100% modulation Signal To Noise Ratio Mono: 75dB Stereo: 70dB Harmonic Distortion 0.
Packing Instructions Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as shown below. It is very important that the four plastic feet are attached to the bottom of the equipment. This will ensure the proper equipment location on the bottom pad. Failure to do this will result in shipping damage. Use the original shipping carton and interior parts only if they are all in good serviceable condition.
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Part No.