McIntosh MR 77 Owner's Manual

McIntosh MR 77 Owner's Manual

Solid state fm/fm
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THE MclNTOSH MR 77 SOLID STATE FM/FM STEREO TUNER
Reading Time: 24 Minutes
Price $1.25

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Summary of Contents for McIntosh MR 77

  • Page 1 THE MclNTOSH MR 77 SOLID STATE FM/FM STEREO TUNER Reading Time: 24 Minutes Price $1.25...
  • Page 3: Table Of Contents

    SHOCK HAZARD, DO NOT EXPOSE FRONT PANEL INFORMATION . . . 6, 7 THIS UNIT TO RAIN OR MOISTURE. LISTENING TO THE MR 77 . . . 7 TECHNICAL DESCRIPTION . . . 8, 9 Take Advantage of 3 years PERFORMANCE LIMITS AND RATINGS .
  • Page 4: Installation

    Allow at least 15 inches deep x 17½ inches wide x 6 inches high for mounting the MR 77. Always allow for air flow by either ventilation holes or space next to the...
  • Page 5 Insert the power cord through the opening. Carefully slide the MR 77 into the opening so the rails on the bot- tom of the equipment slide in the track of the mounting brackets. Slide the instrument in until it stops at the...
  • Page 6: How To Connect

    An unbalanced 75 ohm antenna can be connected ment. The length of the cable is limited by the capacity to the MR 77. A "type F" connector is used to connect of the cable. The total capacity must not exceed 1600 the 75 ohm coaxial cable to the back panel 75W ANT pF.
  • Page 7: Back Panel Information

    AC POWER CORD Connect the AC power cord to a 117 volt, 50 to 60 Hz AUDIO OUTPUTS power line receptacle. The power used by the MR 77 is 35 watts. The left-hand pair of AUDIO OUTPUT jacks provides FIXED OUTPUT audio signals. The program at these...
  • Page 8: Front Panel Information

    FRONT PANEL CONTROLLED audio signal. The best position, the indicator beams tend to remain program at these jacks is controlled by the MR 77 front steady. The directional antenna is then picking up only panel VOLUME control. Use these output jacks to con-...
  • Page 9: Listening To The Mr 77

    LISTENING TO STEREO FM stereo balance. It adjusts the output level of the tuner FRONT If you wish to have the MR 77 automatically switch PANEL CONTROLLED AUDIO OUTPUT jacks. The to a stereo broadcast, set the MODE SELECTOR to FM FIXED OUTPUT jacks are not affected by the volume AUTO.
  • Page 10: Technical Description

    Technical Description The MR 77 FM tuner is the end result of over nine almost beyond belief. Using numerical integration in years of intensive research. the S-Plane, an "IBM" 1130 high speed computer spent eighteen minutes on the mathematics for the design of Twenty years ago Mclntosh developed the first low the MR 77 IF filter.
  • Page 11: Performance Limits And Ratings

    STEREO SEPARATION: 40 dB at 1,000 Hz Mclntosh instrument. We promise you that the MR 77 you buy must be capable of performance at or exceed- STEREO FILTER: 10 dB noise reduction in position 1;...
  • Page 12: Performance Charts

    IF AMPLITUDE RESPONSE AND TIME DELAY CHARACTERISTICS Performance Charts 1.04 1.02 0.93 0.96 FREQUENCY IN KILO HERTZ -100 HARMONIC DISTORTION (STEREO AND MONO) 1000 10000 20000 FREQUENCY IN HERTZ INTERMODULATION DISTORTION (STEREO AND MONO) 1000 10000 20000 ft (TEST 1000 FREQUENCY IN HERTZ)
  • Page 13 AUDIO OUTPUT IN dB...
  • Page 14: Block Diagram

    Block Diagram...
  • Page 16 MclNTOSH LABORATORY INC. 2 CHAMBERS ST., BINGHAMTON, N. Y. 13903 607-723-3512 Design subject to change without notice. Printed in U.S.A. 038-912 BE042003...

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