How to Connect
CONNECTING TURNTABLES
The MAC 4100 has shorting plugs in the phono in-
puts. To prevent unwanted noise remove only the
shorting plugs from input jacks that are 10 be used
Connect the cable from the left channel of the turn-
table into the INPU1 L PHono 1 jack.
Connect the cable from the right channel of the
turntable into the INPUT R PHono 1 jack. Connect
PHono 2 in the same way for use with a second turn-
table
CONNECTING TAPE RECORDERS
To Record
Connect a cable from the RECORDER L TAPE 1
OUT jack to the left high level input of the tape
recorder. Connect a cable from the RECORDER R
TAPE 1 OUT jack to the right high level input of the
tape recorder. Connect a second recorder in the
same manner to the RECORDER TAPE 2 OUT jacks.
To Playback/Monitor.
Connect a cable from the left channel output of a
tape recorder to the RECORDER L TAPE 1 IN jack.
Connect a cable from the right channel output of a
tape recorder to the RECORDER R TAPE 1 IN jack.
Connect a second recorder in the same manner to
the RECORDER TAPE 2 IN jacks.
Front Panel Tape Recorder Jacks:
Tape recorder inputs and outputs are available at
the TAPE IN-OUT jacks on the front panel left of the
INPUT SELECTOR switch. Rapid, temporary connec-
tions to TAPE 2 facilities are easily made without
getting at the rear panel. A metal shielded 1/4"
stereo phone plug is used Connections are tip: left
signal, ring: right signal, and. sleeve: common
ground.
When a tape recorder is plugged into the front
jacks all the facilities normally associated with
TAPE 2 on 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 outlets on the
back panel of the MAC 4100 one red. two black, and
two green
The red and the green AC power outlets are on at
all times. The red outlet can be used for a tape
recorder with its own AC power switch. Plug the AC
power cables from the turntable into the green
TURNTA8LE power outlets on the rear panel
The two black outlets are switched on and off
when the receiver is turned on or off. These are in-
tended for equalizers and other accessories.
The POWER ON pushbutton shares AC power
control, with the AC power switch on a turntable,
through a current detecting switch circuit On me
rear panel the TURNTABLE AUTO/MANUAL switch
selects the mode of operation.
When the switch is in the AUTO position and a
turntable plugged into one of the green AC power
outlets, the AC power to the receiver 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 outlets are turned on
The system will remain on until the turntable is turn-
ed oil. The POWER ON pushbutton controls the AC
power lor any source other than the turntable.
In the MANUAL position only the POWER ON
pushbutton will turn AC power on or off
Some turntables have electronic circuits that
draw current all the time. To use these turntables the
AUTO/MANUAL switch must be in the MANUAL
position. With the AUTO/MANUAL switch in the
MANUAL position, AC power to the system will be
controlled by the front panel POWER pushbutton
only.
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