MAC 1700 STEREO RECEIVER OWNER'S MANUAL
To insure your enjoyment please read and carefully follow these instructions. The time spent will make It possible for you to enjoy thousands of hours of musical enjoyment. If you are in a hurry read page 4 first. This gives you a brief outline of what each control and indicator does. Reading time for this manual is 30 minutes. This is time well spent.
GENERAL DESCRIPTION MAC 1700 The MAC 1700 is a stereo receiver. There are three easy to use top notch stereo components in one small convenient package. A solid state preamplifier, a solid state power amplifier, and an FM MPX stereo tuner are combined to give you the best performance possible. The result is a compact, easy to use stereo instrument. A stereo instrument that brings you the best in all types of stereo listening.
the power output transistors due to a speaker short circuit, open circuit, or incorrect low impedance. each wire must be placed correctly, each lead must be the precise length and each capacitor must be in an exact position. So each wire, each capacitor, each lead is checked and rechecked for maximum performance. This assures you of the best possible FM stereo reception. The tuner section uses six tubes and two transistors.
TECHNICAL FEATURES AND SPECIFICATIONS FOR MAC 1700 FM TUNER SECTION: AMPLIFIER SECTION: USEABLE SENSITIVITY (at 100% Modulation: 2.5 µV [I.H.F. Standards) POWER OUTPUT: 40 watts RMS continuous per channel with both channels operating simultaneously into 4 ohm or 8 ohm loads. 80 watts RMS continuous monophonic. 30 watts RMS continuous per channel with both channels operating simultaneously into 16 ohm loads. 60 watts RMS continuous monophonic. SIGNAL TO NOISE AND HUM RATIO: 65db.
1 Input Selector . . . Aux . . . for any device connected to the AUX input on the back, TAPE . . . listen to playback from a tape recorder. FM AUTO , . . listen to FM Stereo or Mono broadcast automatically . . . Phono I and Phono 2 for phonograph records. TAPE HD . . . listen to a tape player that hasn't any electronics. 2 Tune for center of black area. 3 Adjust to desired volume. Power off. Turns the system on off. 4 Tuning . . . select desired station. 5 Treble . . . modifies high frequency sounds.
CABINET INSTALLATION The MAC 1700 can be installed in furniture cabinets, or custom built installations. If the unit is to be used on a shelf or table top, mount it in the attractive MAC 15 WO cabinet. Allow sufficient cabinet space for air circulation. Minimum internal cabinet dimensions should be 5 13 /8 inches deep, and 4¼ 15 7 / 16 inches wide, inches high. The back of the cabinet should be left as open as possible for ventilation.
1 On the back of the cabinet panel, scribe a vertical line through the exact center of the area to be cut out. 2 Place the template against the back of the panel. Match the template centerline with the scribed centerline. The bottom of the template must rest on the shelf. 3 On each side of the centerline of the template there are two holes marked l l B . " These are the "LOCATING HOLES." These holes are used to locate the front panel of the MAC 1 700 with reference to the shelf behind the cabinet panel.
INSTALLATION CONNECTIONS TO YOUR MAC 17OO CONNECTING THE PHONO 1 POSITION for your main record player Connect the "left" channel to the "L" input of PH 1. Connect the "right" channel to the l l R" input of PH 1. If your record player has a ground wire connect the ground wire to GND. CONNECTING THE PHONO 2 POSITION Phono 2 position can be used if two record players are used in a system. Connect the "left" channel to the " L " input of PH 2. Connect the "right" channel to the "R" input of PH 2.
CONNECTING LOUDSPEAKERS TO THE MAC 1700 The "Left" loudspeaker wires are connected to the two center screws on the barrier strip marked "LEFT OUTPUT". The "Right" loudspeaker wires are connected to the two center screws on the barrier strip marked "RIGHT OUTPUT". The MAC 1700 automatically matches the impedance. ANTENNA CONNECTIONS A convenient flexible indoor FM dipole (300 ohm) antenna is supplied with the MAC 1 700. This antenna is easy to install.
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Having completed the installation of your MAC 1 700 a new world of musical enjoyment is yours. The following section gives you a detailed explanation of all the controls and their functions. It will tell you how to adjust your MAC 1700 for maximum enjoyment.
FRONT PANEL INFORMATION TUNING DIAL SCALES—The MAC 1700 has two dial scales. The megacycle scale indicates the position of FM stations in the 88 to 108 megacycle FM band. The linear division of the 0-100 logging scale makes it easy to return to a station using a logging scale number. INDICATORS—The MAC 1700 has two indicators on the front panel. One is the tuning meter. When an FM station is correctly tuned the indicator will be in the black area of the meter.
HEADPHONE—The headphone jack is for use with low impedance headphones. With the switch in the SPEAKER OFF position the loudspeakers will turn off when you insert your headphone jack. With the switch in the SPEAKER ON position the loudspeakers will remain in the system. LOUD . . . An abbreviation of loudness OUT . . . This is the normal position for moderate to loud listening levels. Use the LOUD . . . IN position to listen to low listening levels. It will allow you to hear the full frequency range.
BALANCE Use the MAC 1700 BALANCE control to balance unequal volume in the left and right channels. Right . . . turning the control to the right accents the right channel by reducing the left channel output. Left . . . turning the control to left accents the left channel by reducing the right channel output. INPUT SELECTOR Select any one of six program sources with this switch. FM AUTO . . . Use this position to listen to all FM broadcasts.
SETTING YOUR CONTROLS... a stereo system The performance and enjoyment of your stereo system increases when the system is balanced. There are two factors in balancing. One is unequal program loudness on the left and right channels of the program source. The other is basic system balance. The control marked BALANCE on the MAC 1700 is used to correct both of these problems. First balance the system.
YOUR SYSTEM LISTENING TO A STEREO RECORD 1 Turn the INPUT SELECTOR to PHONO 1 or PHONO 2, whichever is connected to the record player you wish to hear. 2 Set the MONO STEREO switch to STEREO. 3 Adjust the VOLUME control to the desired volume. LISTENING TO MONOPHONIC RECORDS 1 Turn the INPUT SELECTOR TO PHONO 1, or PHONO 2, whichever is connected to the record player you wish to hear. 2 Turn the STEREO MONO switch to MONO. 3 Adjust the VOLUME control to the desired volume.
Your MAC 1700 stereo receiver will give you many years of pleasant and satisfactory performance. If you have any questions concerning the operation or maintenance of this receiver please contact: CUSTOMER SERVICE Mclntosh Audio Company 2 Chambers Street Binghamton, New York 13903 Our telephone number is 723-3512 The area code is 607 GUARANTEE Mclntosh Audio Company guarantees this equipment to perform as advertised.
Precision craftsmanship and painstaking attention to finest accuracies make the MAC 1 700 meet high standards. MCINTOSH AUDIO COMPANY 2 Chambers St., Binghamton, N.Y. MADE IN U.S.A. Phone-Area Code 607-723-3512 Design subject to change without notice.
