McIntosh MR 7083 Owner'S Manual Download Page 17 | Manualshive

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Summary of Contents for MR 7083

Page 1: ......

Page 2: ...ter and Moisture Do not use the instrument near water for example near a bathtub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool etc 11 Cleaning Clean the instrument by dus...

Page 3: ...thin 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 The serial number...

Page 4: ...costs to and from the authorized service agency or the factory 2 Any Mclntosh authorized service agency will repair all Mclntosh instruments at normal service rates To receive the free service under t...

Page 5: ...e features that set the MR 7083 apart from the ordinary are The advanced AM FM tuner design of the MR 7083 displays the station frequencies digitally Stations are selected easily in any one of these w...

Page 6: ...in a Mclntosh cabinet follow the instructions that are enclosed with the cabinet For any other type of installation follow these instructions 1 Unpack from Carton Open the carton and remove the PANLOC...

Page 7: ...hicker panels use the 1 1 4 31 8mm long screws Using two screws of the proper length in the A holes on each side attach the PANLOC brackets to the cabinet panel the short flange is mounted against the...

Page 8: ...grammed stations on FM or AM and scan the entire FM or AM band 4 AM ANTenna Adjust the AM loopstick for best AM reception Do not leave it positioned against the back panel To do so will reduce the sig...

Page 9: ...e best noise and multipath rejection many antennas use 300 ohm twin lead In this case use a matching transformer balum to convert a 300 ohm antenna to the 75 ohm input impedance of the tuner 6 SCOPE O...

Page 10: ...OURCE HIGHSENSITIVITY AM LOOPSTICK ANTENNA VARIABLE OUTPUT ADJUSTMENT TO MclNTOSH INFRARED REMOTE CONTROL EQUIPMENT OSCILLOSCOPE ALTERNATE CONNECTION TO FIXED LEVEL OUTPUT MclNTOSH PREAMPLIFIER 8 CONN...

Page 11: ...requencies 520 to 1710 kHz D POWER ON The red touchbutton turns the AC power on or off When the power is turned on all indicators illuminate and the tuner returns to the last tuned station which has b...

Page 12: ...station either up or down the selected broadcast band The arrow beside the touchbutton indicates the direction of scan N TUNING KNOB Rotate the tuning knob until the correct frequency shows in the dis...

Page 13: ...input 50 ohm source input SIGNAL TO NOISE RATIO 50dB at 30 modulation 60dB at 100 modulation HARMONIC DISTORTION 0 5 maximum at 30 modulation FREQUENCY RESPONSE 50Hz to 6000Hz NRSC ADJACENT CHANNEL SE...

Page 14: ...5 0 5 10 15 FREQUENCY IN kHz 12 PERFORMANCE CHARTS R E S P O N S E I N d B F R E Q U E N C Y IN Hz 100 1k 10k 20k 20 10 0 1 0 20 30 40 50 60 70 A U D I O O U T P U T I N d B I N P U T L E V E L IN dB...

Page 15: ...oelectric filters and 2 integrated circuits They combine to provide over 120dB of gain and a selectivity greater than 70dB Limiting muting signal strength drive and FM detection are all functions of t...

Page 16: ...t almost any type of antenna In a location of moderate signal strength and little interference few fluorescent lights motors TV sets etc the new Low Impedance Loopstick will give good performance In a...

Page 17: ...MR 7083 BLOCK DIAGRAM 15...

Page 18: ...THE LOCATION OF CONTROLS The numbers and letters correspond to the paragraphs on pages 6 7 9 and 10...

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