Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment Mc INTOSH Audio MA6100 hfe_mcintosh_ma6100_service_info_en

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                                       MA 6100
                                            PREAMP AMPLIFIER




   SERVICE INFORMATION
                         STARTING    WITH   S E R I A L NO.   AE1001
                                                                                            MA 6100




MclNTOSH   LABORATORY   INC.   2    CHAMBERS     STREET         BINGHAMTON,   NEW Y O R K
MA 6 1 0 0                                    P E R F O R M A N C E LIMITS




                         PERFORMANCE                                                   RATINGS
      Mclntosh audio power ratings are in accordance               OUTPUT VOLTAGE
      with the Federal Trade Commission Regulation of              At TAPE output: Aux, Tape, Tuner: 300 mV with
      November 4, 1974 concerning power output claims                              input
      for amplifiers used in home entertainment products.                          Phono: 300 mV with rated input;
                                                                                   1.2 volts with 1.0 mV input at 1000
      POWER OUTPUT                                                                 Hz
                                                                                   Tape Hd: 300 mV at 500 Hz with
      70 watts minimum sine wave continuous                                         rated input
      average power output, per channel,                           DAMPING FACTOR
      both channels operating into 8 ohms                           50 at 8 ohms output
      load impedance which is:                                     100 at 16 ohms output
                                                                   INPUT SENSITIVITY AND IMPEDANCE
          23.7 volts RMS across 8 ohms
                                                                   Power Amplifier: 3 volts, 100,000 ohms
      40 watts minimum sine wave continuous                        Phono 1 and Phono 2: 2.5 mV at 1000 Hz, 47,000
      average power output, per channel,                           ohms
                                                                   Tape Head: 3 mV, 47,000 ohms
      both channels operating into 16 ohms                         Tape, Aux, and Tuner: 300 mV, 250,000 ohms
      load impedance which is:                                     BASS CONTROLS
          25.3 volts RMS across 16 ohms                            + 16 dB to -16 dB at 20 Hz
                                                                   TREBLE CONTROLS
      OUTPUT LOAD IMPEDANCE                                        + 16 dB to -16 dB at 20,000 Hz
      8 ohms or 16 ohms                                            LF FILTER
                                                                   Active filter, 12 dB per octave rolloff below 50 Hz;
      RATED POWER BAND                                             20 dB down at 20 Hz
      20 Hz to 20,000 Hz                                           HF FILTER
                                                                   Active filter, 12 dB per octave rolloff above 7000 Hz;
      TOTAL HARMONIC DISTORTION                                    20 dB down at 20,000 Hz
      0.2% maximum harmonic distortion at                                        GENERAL INFORMATION
      any power level from 250 milliwatts to                       SEMICONDUCTOR COMPLEMENT
      rated power per channel from 20 Hz to                        36 Silicon Transitors, 22 Silicon Rectifiers and Di-
      20,000 Hz, both channels operating                           odes, 2 Silicon Bilateral Switches, 2 Triac
                                                                   POWER REQUIREMENTS
      INTERMODULATION DISTORTION                                   120 Volts, 50/60 Hz, 50 watts at zero signal output,
      0.2% if instantaneous peak power output is twice             380 watts at rated output
      rated continuous average power or less per channel
      with both channels operating for any combination of                     MECHANICAL INFORMATION
      frequencies 20 Hz to 20,000 Hz                               SIZE
                                                                   Front panel measures 16 inches wide (40.64 cm) by
      FREQUENCY RESPONSE                                           5 7/16 inches high (13.81 cm). Chassis measures
      20 Hz to 20,000 Hz +0 -0.5 dB at rated power                 15 inches wide (38.1 cm) by 13 inches deep (33.02
                                                                   cm), including Panloc shelf and back panel con-
                                                                   nectors. Knob clearance required is 1



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