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6. Breaker
This switch works as fuse for protecting the unit from damage. When the unit is overloaded or the temperature
inside the unit is too high, this pushing-button will spring up and break the power supply. The power supply
will be restored with pushing the switch down again.
7. AC Inlet
This connector is meant for the connection of the supplied main cord. Do not insert the power cord into this
unit until voltage has been correctly set. Do not plug the power cord into the mains until the voltage has been
correctly set.
8. Input Connectors
These connectors include the balanced XLR servo connectors and 1/4" TRS phone jacks. It is used to connect
the input signal.
9. Output Connectors
These connectors include the speak-on jacks and binding post terminals, you can output the powered signal
by the specific output connectors according to the actual application circumstance.
Caution: turn off the unit before connecting the output connectors so as to avoid any electric shock!
5. Level Control
These level controls are used to adjust the output signal level, you'd better adjust them properly to avoid any distortion.
3.2 Rear Panel
Set this switch at "ON" position, once the output level is above the maximum level, the clip limt begin, which
is used to keep fixed output level for protecting apparatus. If the switch is at "OFF", this clip limt function
doesn't work.
10. Clip Limit Switch
Setting this switch to "ON" is equal to adding an appropriate low-pass filter in the input circuit, which is used to protect
the speaker system from the damage caused by large subsonic frequencies.
11. LF 30Hz Filter
12. Mode Selector
The MAC 2.2/2.3/2.4 stereo power amplifier presents three operating modes:
- Stereo Mode
In this mode, CHA and CHB operate independently (as a conventional stereo amplifier)
The CHA input signal will be output from the CHA output connector, and CHB input signal will be output from
the CHB output connector.
- Parallel Mono Mode
In this mode, CHA input signal will be output from the output connectors of both channels, detail wiring
diagram you can refer to chapter 5.
- Bridged Mode
5
These signal indicators light up when the output is more than 100mV.
Signal LED
12
3
BRIDGED INPUT
SERIAL
MODEL
WARNING
TOREDUCETHERISKOFFIRE
ORELECTRICSHOCK,DONOT
EXPOSETHISAPPARATUSTO
RAINORMOISTURE.
SEEINSTRUCTIONBEFORE
USING!
CH-2
LINE
BALANCED
INPUT
LINE
CH-1
CLIPLIMT
OFF ON
BRIDGED
STEREO
PARALLEL
(MONO)
OFF ON
LF30HZ
FILTER
1.15V/20K
INPUT
CONNECTION
(+)
-
()
(GND)
SRT
T(+)
S(GND)
R()
-
CH-1 CH-2
BRIDGED
MONO
CHANNEL1 CHANNEL2
A104
BREAKER
Apparaten skall anslutas till
jordat uttag nar den ansluts
till ett natverk
2
1
3
2
1
3
12 9810 13
6
11
7
6
7
8
9
10
11
12
5