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Alto Professional MACRO 1400 Manual

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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
SHIE LD
Input wiring tips
BALANCED UNBALANCED
+ +
SHIELD SHIELD
INPUT
CONNECTION
12
3
(+)
(GN D)
BRE AK ER
BRIDGED
MONO
CHA NN EL A CHA NN EL 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/20KΩ
( )
SRT
T(+ )
R( )
S(G ND)
SER IAL
MOD EL
WARNING
TO RED UCE THE R ISK OF FI RE
OR EL ECTRI C SHOCK , DO NOT
EXP OSE THIS AP PARATUS TO
RAI N OR MOIS TURE.
SEE I NSTRU CTION B EFORE
USI NG!
2
1
3
2
1
3
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
SHI ELD
Input wiring tips
BALANCED UNBALANCED
+ +
SHIELD SHIELD
INPUT
CONNECTION
12
3
(+)
(GN D)
BRE AK ER
BRIDGED
MONO
CHA NN EL A CH AN NE L 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/20KΩ
( )
SRT
T(+ )
R( )
S(G ND)
SER IAL
MOD EL
WARNING
TO RED UCE THE R ISK OF FI RE
OR EL ECTRI C SHOCK , DO NOT
EXP OSE THIS AP PARATUS TO
RAI N OR MOIS TURE.
SEE I NSTRU CTION B EFORE
USI NG!
2
1
3
2
1
3
… 10 …


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