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McIntosh MR 77, Owner'S Manual

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THE MclNTOSH MR 77 SOLID STATE FM/FM STEREO TUNER

Reading Time: 24 Minutes

Price $1.25

Summary of Contents for MR 77

Page 1: ...THE MclNTOSH MR 77 SOLID STATE FM FM STEREO TUNER Reading Time 24 Minutes Price 1 25...

Page 2: ......

Page 3: ...rvice agency 3 Always have service done by a Mclntosh authorized service agency If the instrument is modified or damaged as a result of un authorized repair the SERVICE CONTRACT will be cancelled Dama...

Page 4: ...g and the mounting template at hand The PANLOC professional mounting design elimi nates the need for any shelf or bracket to support the MR 77 It is completely supported by its own mounting brackets T...

Page 5: ...ting brackets to the cabinet panel using four screws Place the template over the mounting screws The mounting screws should be centered in the A and B holes on the template The sides of the mounting b...

Page 6: ...enna 2 a VHF TV antenna or 3 the indoor dipole supplied with the MR 77 An outdoor antenna is recommended for optimum performance in all areas In fringe outlying areas best results will be obtained wit...

Page 7: ...he AC power cord to a 117 volt 50 to 60 Hz power line receptacle The power used by the MR 77 is 35 watts FUSE A 0 5 AMP fuse protects the tuner circuits This fuse does not protect additional equipment...

Page 8: ...show best orientation for the FM station being received Multipath distortion causes the two beams on the indicator to fluctuate rapidly When the antenna is rotated to the best position the indicator...

Page 9: ...ition Depressing the PANLOC buttons a second time will release the tuner The tuner can then be slid forward to the inspection LISTENING TO MONOPHONIC FM Turn the MODE SELECTOR to FM MONO to listen onl...

Page 10: ...is for minimum phase and constant delay The mathe matical complexity of the filter design procedure is almost beyond belief Using numerical integration in the S Plane an IBM 1130 high speed computer...

Page 11: ...sis 75 S and 19 000 Hz pilot filter CAPTURE RATIO 0 25 dB detector only 2 5 dB complete tuner SELECTIVITY Adjacent channel 6 dB IHF carrier 47 dB down Alternate channel 50 dB IHF carrier 90 dB down SP...

Page 12: ...AND MONO ft TEST 1000 FREQUENCY IN HERTZ 10 20000 10000 1000 100 20 0 0 1 IM DISTORTION 0 2 0 3 20 100 FREQUENCY IN HERTZ 1000 20000 10000 0 0 1 HARMONIC DISTORTION 0 2 0 3 400 300 200 100 0 HARMONIC...

Page 13: ...0 10 20 30 40 50 60 70 75 1 1 AUDIO OUTPUT IN dB 0 1 V 1 0 V 10 V 100 V 1mV 10mV 100mV 1 0V 10V SIGNAL PERFORMANCE R F INPUT SIGNAL IN VOLTS ACROSS 300W...

Page 14: ...Block Diagram 12...

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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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