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McIntosh MAC 4100, Owner'S Manual

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McIntosh MAC 4100 Owner'S Manual Download Page 1

THE MCINTOSH MAC 4100 RECEIVER

Reading Time: 48 Minutes

Price $2.00

Summary of Contents for MAC 4100

Page 1: ...THE MCINTOSH MAC 4100 RECEIVER Reading Time 48 Minutes Price 2 00...

Page 2: ...the rear panel of the chassis Record that serial number here Serial Number The model serial number and purchase date are im portant to you for any future service Record the pur chase date here Purcha...

Page 3: ...epair Mclntosh instruments at normal service rates To receive service under the terms of the SERVICE CON TRACT the SERVICE CONTRACT CER TIFICATE must be presented when the instrument is taken to the s...

Page 4: ...here without affecting any of the other ranges The high quality power performance is con tinuously assured by POWER GUARD The POWER GUARD circuit dynamically prevents power amplifiers from being overd...

Page 5: ...receiver must rest on a shelf in which there is a ventilation hole cutout 15 38 1 cm Prepare the MAC 4100 for custom mounting by removing the wood cabinet and feet as follows 1 Remove 4 screws A see F...

Page 6: ...out MOUNTING SURFACE 15 36 1cm MINIMUM DEPTH REQUIRED FOR 1 2 SHELF USE 1 1 4 SCREW 1 3cm 3 2cm FOR 3 4 SHELF USE 1 1 2 SCREW 1 9cm 3 8cm MOUNTING PANEL PLASTIC BUTTONS CUTOUT FOR VENTILATION SECURE U...

Page 7: ...the rear panel are automatically transfer red to the front panel jacks CONNECTING AC POWER The receiver AC power cord is plugged into a 120 volt 6O Hz wall outlet There are three types of AC power ou...

Page 8: ...ts to the rear panel ANTENNA 750 FM type F coaxial connector An outside antenna system should not be located in the vicinity of overhead power lines or other elec tric light or power circuits or where...

Page 9: ...7...

Page 10: ...6 12 2 18 3 30 5 Feet 12 20 30 50 80 120 200 Meters 3 7 6 1 9 1 15 2 24 4 36 6 66 0 loudspeaker to the SPEAKER I Right and Common push connectors Connect the leads from a second left loudspeaker to th...

Page 11: ...9...

Page 12: ...lly in terlocked to prevent simultaneous monitoring from two tape recorders If one button is at the in posi tion it must be pushed again to release it to the out position before the other button can b...

Page 13: ...ceiver and to the black AC power outlets can be controlled by the turntable on off switch When AC power to the turn table is turned on automatically the receiver and the SWITCHED black AC power outlet...

Page 14: ...icators The MAC 4100 has three dial scales 1 AM marked 550 to 1600 kHz 2 FM marked 88 to 108 MHz 3 Logging Scale 0 100 As the tuning knob is turned the tuning indicator moves across the dial To make t...

Page 15: ...the stereo system is affected by many things including room acoustics furniture placement room shape small differences in loudspeakers etc Factors that affect proper stereo balance are correct phase...

Page 16: ...ble level The FM muting circuit suppresses noise bet ween stations It also suppresses weaker stations not strong enough to override the background noise Muting threshold carefully adjusted to optimum...

Page 17: ...maximum at any power level from 250 milliwatts to rated power per channel both channels operating for any combination of frequencies 20 Hz to 20 kHz FREQUENCY RESPONSE 20 Hz to 20 kHz 0 0 5 dB at rate...

Page 18: ...de silicon field effect transistor MOS FET is used as the first RF amplifier Each gate of the transistor is internally protected by zener diodes against incoming externally generated transients Use of...

Page 19: ...both by detecting ultrasonic noise and by sensing correct tuning of the detector circuit To un mute it is necessary for the signal to have an adequate signal to noise ratio and to be tuned to the cen...

Page 20: ...ALIZER AMPLIFIER The equalizer amplifier uses high technology in tegrated circuit operational amplifiers It s output stage has been optimized for the best transient per formance and minimum distortion...

Page 21: ...har monic distortion a front panel signal illuminates in red at the top of the power output indicators With any further increase in distortion the POWER GUARD circuit will operate This circuit limits...

Page 22: ...S OPERATING 05 THD POWER BANDWIDTH INTERMODULATION DISTORTION vs POWER OUTPUT 8 OHM OUTPUT INPUT FREQUENCIES 60 Hz AND 7 kHz INPUT RATIO 4 1 OUTPUT SIGNAL WAVEFORM SHOWING ACTION OF POWER GUARD TO ELI...

Page 23: ...FM SIGNAL PERFORMANCE SIGNAL INPUT IN MICROVOLTS F M FREQUENCY RESPONSE AND STEREO SEPARATION F M HARMONIC DISTORTION 100 MODULATION FREQUENCY IN HERTZ FREQUENCY IN HERTZ 21...

Page 24: ...22 FREQUENCY IN kHz AM SELECTIVITY AT 1000 kHz FREQUENCY IN HERTZ A M FREQUENCY RESPONSE 80 Modulation FREQUENCY IN kHz AM MINIMUM USABLE SENSITIVITY IHF...

Page 25: ...LOUDNESS RESPONSE FREQUENCY IN HERTZ FREQUENCY RESPONSE OF EQUALIZER FREQUENCY CONTROLS SET AT MAXIMUM AND MINIMUM FREQUENCY IN HERTZ 23...

Page 26: ...24...

Page 27: ...C 2 CHAMBERS ST BINGHAMTON N Y 13903 607 723 3512 The continuous improvement of its products is the policy of Mclntosh Laboratory Incorporated who reserve the right to improve design without notice Pr...

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