Nilfisk-ALTO MAC 2.3 - Manual (Page 10)

5.3 Operate MAC in Bridged Mode 2.2/2.3/2.4
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
CHANNEL A
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
1 2 3
BRIDGED INPUT
SERIAL
MODEL
WARNING
TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPARATUS TO
RAIN OR MOISTURE.
SEE INSTRUCTION BEFORE
USING!
CH-2
LINE
BALANCED
INPUT
LINE
CH-1
CLIP LIMT
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
CHANNEL 1 CHANNEL 2
A104
BREAKER
Apparaten skall anslutas till
jordat uttag nar den ansluts
till ett natverk
2 1 3
2 1 3
1 2 3
BRIDGED INPUT
SERIAL
MODEL
WARNING
TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPARATUS TO
RAIN OR MOISTURE.
SEE INSTRUCTION BEFORE
USING!
CH-2
LINE
BALANCED
INPUT
LINE
CH-1
CLIP LIMT
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
CHANNEL 1 CHANNEL 2
A104
BREAKER
Apparaten skall anslutas till
jordat uttag nar den ansluts
till ett natverk
2 1
3
2 1 3
PARALLEL
(MONO)
CHANNEL A
NO USING
Channel B+
+
NO USING
Channel A+
STEREO
BRIDGED