12 3 gnd – Nilfisk-ALTO MACRO 2400 User Manual
Page 10
5.3 Operate MACRO 830/1400/2400 in Bridged Mode
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 MACRO 830/1400/2400 Professional
Stereo Amplifier into a sound application system:
1. First, turn off power switch before connection.
2. Refer to Chapter 5 for speaker connection
3. MACRO 830/1400/2400 Professional Stereo Amplifier may be operated in one of the three modes, please
slide the Mode Selector (11) 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
INPUT
CONNECTION
1
2
3
(+)
(GND)
BREAKER
BRIDGED
MONO
CHANNEL A
CHANNEL B
CH-B
CH-A
BRIDGED INPUT
LINE
BALANCED
INPUT
OFF
LF 30HZ
FILTER
LINE
ON
OFF
ON
CLIP LIMIT
BRIDGED
STEREO
PARALLEL
(MONO)
1.15V/20K
( )
SRT
T(+)
R( )
S(GND)
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!
2
1
3
2
1
3
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
PARALLEL
(MONO)
CHANNEL A
NO USING
Channel B+
+
NO USING
Channel A+
STEREO
BRIDGED
1
2
3
GND
INPUT
FROM
SOURCE
1
2
3
INPUT
FROM
SOURCE
SHIELD
Input wiring tips
BALANCED
UNBALANCED
+
+
SHIELD
SHIELD
INPUT
CONNECTION
1
2
3
(+)
(GND)
BREAKER
BRIDGED
MONO
CHANNEL A
CHANNEL B
CH-B
CH-A
BRIDGED INPUT
LINE
BALANCED
INPUT
OFF
LF 30HZ
FILTER
LINE
ON
OFF
ON
CLIP LIMIT
BRIDGED
STEREO
PARALLEL
(MONO)
1.15V/20K
( )
SRT
T(+)
R( )
S(GND)
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!
2
1
3
2
1
3
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE
2
1
3
NEW
TIDE