User manual MCINTOSH MA6850

[. . . ] OWNERS MANUAL MA6850 Integrated Amplifier MA6850 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549 Thank You, Please Take A Moment, Customer Service and Table of Contents Thank You For your decision to own this McIntosh MA6850 Intergrated Amplifier ranks you at the very top among discriminating music listeners. The McIntosh dedication to Quality, is assurance that you will receive many years of musical enjoyment from this unit. Please take a short time to read the information in this manual. [. . . ] Separate signal processor loops are provided for both the Listen and Record circuits. Electronic Input Switching Digital Logic integrated circuits drive Electromagnetic switches on all eight inputs and operating functions for reliable, noiseless, distortion free switching · Introduction The remote controlled MA6850 is a sophisticated, yet easy to operate Integrated Amplifier that will provide the superior fidelity music reproduction that is traditional from McIntosh. It includes a wide range of convenient operating functions to enhance your listening enjoyment. The classic McIntosh MA6850 will perfectly complement a pair of McIntosh Loudspeakers for a stereo system of incomparable performance and style. 4 · Tone Control Bypass At the flat settings the Bass and Treble control circuit elements are removed from the Listen signal path. · Active Loudness Circuity A continuously variable active Loudness control allows any degree of loudness compensation. All Loudness circuit elements are removed from the signal path in the flat setting. Installation Installation The MA6850 can be placed upright on a table or shelf, standing on its four feet. It also can be custom installed in a piece of furniture or cabinet of your choice. The required panel cutout, ventilation cutout and unit dimensions are shown. Always provide adequate ventilation for your MA6850. Cool operation ensures the longest possible operating life for any electronic instrument. Do not install the MA6850 directly above a heat generating component such as a high powered amplifier. If all the components are installed in a single cabinet, a quiet running ventilation fan can be a definite asset in maintaining all the system components at the coolest possible operating temperature. A custom cabinet installation should provide the following minimum spacing dimensions for cool operation. Allow at least 2 inches (5. 1 cm) above the top and 1 inch (2. 54 cm) on each side of the amplifier, so that airflow is not obstructed. Allow 21 inches (53. 3 cm) depth behind the mounting panel, which includes clearance for connectors. Allow 1-1/8 inches (2. 9 cm) in front of the mounting panel for knob clearance. The EXT (external) Sensor for a McIntosh Keypad or IR sensor. POWER CONTROL Output sends a turn-on signal to a McIntosh Component SUM Data port allows connection to a McIntosh Remote Control Translator SCR for the optional McIntosh Speaker Control Relay. SPEAKERS allows one pair of speakers to be connected SPEAKERS allows one pair of speakers to be connected 6 How to Connect the MA6850 How to Connect the MA6850 1. Connect the MA6850 power cord to a live AC outlet. Connect the loudspeaker cables to the appropriate terminals for your loudspeakers, being careful to observe the correct polarities. If the impedance of your loudspeakers is rated at other than the listed impedance connections, use the nearest lower connection. NOTE: To prevent the possibility of user contact with potentially dangerous voltages, install the protective cover(s) over the loudspeaker output terminals after the loudspeaker cables have been connected. The covers and cover mounting screws are located in an accessory package that is enclosed in the amplifier shipping carton. There are two types of screws in the package. Install the protective covers with the Phillips, 6-32 by 5/16 inch self tapping screws. 6 by ½ inch wood screws used to secure the amplifier custom mounting brackets to a shelf. Tape Recorder NOTE: If a Signal Processor is used in either the Record or Listen channels, connect cables from the Signal Processor Outputs to the Processor From jacks, and the Signal Processor Inputs to the Processor to jacks. [. . . ] Disc and Track Use the DISC and TRACK push-buttons when a CD player or changer is being used. Tuner Push-buttons Use with a McIntosh tuner. Press and release SEEK Up or Down to move from station to station. Press and hold a SEEK push-button to move continuously from station to station. [. . . ]