Nilfisk-ALTO MAC 2.2, MAC 2.3, MAC 2.4 Stereo Amplifier User Manual


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5.3 Operate MAC in Bridged Mode2.2/2.3/2.4
In this mode, the channel A input signal will be output from the bridge output connectors. In this case, use the
channel A volume control to adjust the volume, keep the volume control of channel B turned completely down
(counterclockwise). Bridged mode is intended for driving loads with a total impedance of 4 ohms or greater.
6. CAUTION FOR APPLICATION
6.1 General Application Instruction
The following instructions describe the common ways to install your MAC 2.2/2.3/2.4 stereo power amplifier
into a sound application system:
1. First, turn off power switch before connection.
2. Refer to chapter 5 for speaker connection
3. MAC 2.2/2.3/2.4 stereo power amplifier may be operated in one of the three modes, please slide the mode
selector (12) for the specific operating mode.
9
PARALLEL
(MONO)
STEREO
CHANNELA
NO USING
Channel B
PIN 1+
PIN 1-
+
Channel A
PIN 1+
PIN 1-
+
BRIDGED
1
2
3
GND
INPUT
FROM
SOURCE
1
2
3
INPUT
FROM
SOURCE
SHIELD
Input wiring tips
BALANCED UNBALANCED
+ +
SHIELD SHIELD
1
2
3
GND
INPUT
FROM
SOURCE
1
2
3
INPUT
FROM
SOURCE
SHIELD
Input wiring tips
BALANCED UNBALANCED
+ +
SHIELD SHIELD
12
3
BRIDGED INPUT
SERIAL
MODEL
WARNING
TO REDUCETHE RISK OFFIRE
OR ELECTRICSHOCK, DO NOT
EXPOSE THISAPPARATUSTO
RAIN ORMOISTURE.
SEE INSTRUCTIONBEFORE
USING!
CH-2
LINE
BALANCED
INPUT
LINE
CH-1
CLIPLIMT
OFF ON
BRIDGED
STEREO
PARALLEL
(MONO)
OFF ON
LF 30HZ
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
3
BRIDGED INPUT
SERIAL
MODEL
WARNING
TO REDUCETHE RISK OFFIRE
OR ELECTRICSHOCK, DO NOT
EXPOSE THISAPPARATUSTO
RAIN ORMOISTURE.
SEE INSTRUCTIONBEFORE
USING!
CH-2
LINE
BALANCED
INPUT
LINE
CH-1
CLIPLIMT
OFF ON
BRIDGED
STEREO
PARALLEL
(MONO)
OFF ON
LF 30HZ
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
PARALLEL
(MONO)
CHANNELA
NO USING
Channel B+
+
NO USING
Channel A+
STEREO
BRIDGED
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