McIntosh MR 71 Owner's Manual
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McIntosh MR 71 Owner's Manual

Fm stereo
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OWNER'S MANUAL
FM STEREO
TUNER
CONTENTS
MR 71

TABLE OF CONTENTS

Stereophonic FM Multiplex
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Summary of Contents for McIntosh MR 71

  • Page 1: Table Of Contents

    FM STEREO MR 71 TUNER TABLE OF CONTENTS INTRODUCTION TECHNICAL DESCRIPTION FRONT PANEL INFORMATION BACK PANEL INFORMATION INSTALLATION CONNECTING Audio Outputs CONTENTS Stereophonic FM Multiplex Monophonic FM Remote Amplifiers Off-The-Air Recording Antenna Connections OPERATING INSTRUCTIONS Stereophonic FM Multiplex Monophonic FM...

  • Page 3: Introduction

    The MR 71 also uses the exclusive Mc- their reputation as "THE BEST." Your Mc- lntosh PANLOC method of installation. The lntosh MR 71 tuner will give you years of the PANLOC system gives you absolute ease of finest possible FM reception, and will be a valued part of your home music system.

  • Page 4: Technical Description

    TECHNICAL DESCRIPTION The MR 71 tuner has a 6DS4 high-grain The mixer output is amplified through five Nuvistor for the first RF amplifier. The Nuvis- intermediate frequency stages with flat- tor (triode) operates into a second triode tube topped highly selective response curves.
  • Page 5 Your Mclntosh MR71 tuner will give you many years of pleasant and satisfactory performance. If you have any questions concern- ing the operation or maintenance of this tuner please contact: Customer Service Mclntosh Laboratory Inc. 2 Chambers Street Binghamton, New York Our telephone number is 723-5491.
  • Page 6 Two pairs of audio output jacks are on the back panel. One pair of jacks is controlled The MR 71 uses a new Mclntosh developed only by the front panel volume control. The automatic mono-stereo switching circuit. other pair of jacks is controlled only by the (Pat.
  • Page 7 SPECIFICATIONS Automatic Mono-Stereo Switch Useable Sensitivity 2.5 microvolts at 100% modulation (±75KC An exclusive Mclntosh development; all- deviation) for less than 3% total noise and electronic automatic mono-stereo switch- harmonic distortion in accordance with ing circuit. (Pat. Pend.). IHF standards. Tube and Semiconductor Complement Audio Frequency Response 1-6DS4 Nuvistor, 1st RF.

  • Page 9: Front Panel Information

    FRONT PANEL INFORMATION directional antenna is picking up only the TUNING DIAL SCALES The MR 71 has two dial scales, the 88 to desired signal and rejecting the reflected 108 scale marked in megacycles and the multipath signals. In some locations, it is possible that the best reception will occur on 0-100 logging scale.
  • Page 10 PANLOC shelf, depressing the PANLOC the possibility of tuner drift. The AFC circuit buttons will lock the tuner firmly in position. in the MR 71 is electronically delayed in its Depressing the PANLOC buttons a second action. This is an exclusive Mclntosh devel- time (as with a ball-point pen>...

  • Page 11: Back Panel Information

    RIGHT channel out- the MR 71. put. These output control settings for the left pair of jacks are not affected by the MR 71 1A SLO BLO FUSE front panel volume control. A 1 amp "Slo-Blo" fuse protects the tuner circuits.

  • Page 12: Connecting

    RIGHT channel INDOOR FLEXIBLE FM DIPOLE tuner or auxiliary input jack. When the MR 71 mode selector is set to MONO or STEREO AUTO position, a monophonic broadcast will automatically be present at both left and right outputs.

  • Page 14: Operating Instructions

    OUTDOOR FM ANTENNA An unbalanced 75 ohm FM antenna can be used with the MR 71. A BNC connector is provided. Connect a Male BNC connector to the female BNC connector on the rear panel of the MR 71.

  • Page 15: Adjustments

    MUTING IN SETTING. a stereo disc recording. Switch the preampli- Turn the MUTING ADJ control to the LEFT fier selector back to tuner. Set the MR 71 (counterclockwise) to raise the muting thresh- MODE SELECTOR to MONO. Tune in a local old.

  • Page 16: Guarantee

    FM STATION LOG DIAL LOCATION ANTENNA REMARKS STATION FREQ. SCALE CITY, STATE DIRECTION MONO-STEREO-TIME-DATE...
  • Page 17 FM STATION LOG ANTENNA DIAL LOCATION REMARKS STATION DIRECTION MONO— STEREO— TIME— DATE FREQ. CITY, STATE SCALE...
  • Page 18 FM STATION LOG DIAL LOCATION ANTENNA REMARKS STATION SCALE FREQ. CITY, STATE DIRECTION MONO— STEREO— TIME— DATE...
  • Page 20 LABORATORY INC. 2 CHAMBERS STREET, BINGHAMTON, N. Y. Made in U.S.A. Phone-Area Code 607-723-5491 Printed in U.S.A. 038-029 BE022003...

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