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- Alto MAC 2.3 Manuals & User Guides. User Manuals, Guides and Specifications for your Alto MAC 2.3 Amplifier. Database contains 2 Alto MAC 2.3 Manuals (available for free online viewing or downloading in PDF): Owner's manual, Operation & user’s manual.
Experience the performance-ready power of this compact amplifier. The Alto Professional MAC 2.3 produces up to 2200 Watts of live sound power in a rugged, 2U rack-mountable, fan-cooled package. Designed for heavy-duty applications, the MAC 2.3 provides a robust output and a tremendous value unlike anything in its class.
TABLE OF CONTENTS
1. INTRODUCTION.....................................................................................................................................4
2. FEATURE LIST.......................................................................................................................................4
3. CONTROL ELEMENTS..........................................................................................................................4
3.1 The Front Panel
3.2 The Rear Panel
8. WARRANTY..........................................................................................................................................12
4. INSTALLATION & CONNECTION..........................................................................................................6
4.1 Mains Connection
4.2 Rack Mounting
4.3 Audio Connection
a. Wiring Configuration
b. In Line Connection
7. TECHNICAL SPECIFICATIONS............................................................................................................10
7.1 Specifications
7.2 Block Diagram
5. OPERATION ..........................................................................................................................................7
5.1 Operate MAC 2.2/2.3/2.4 in Stereo Mode
5.1 Operate MAC 2.2/2.3/2.4 in Parallel (Mono) Mode
5.1 Operate MAC 2.2/2.3/2.4 in Bridged Mode
6. CAUTION FOR APPLICATION .............................................................................................................9
6.1 General Application Instruction
6.2 Caution for Speaker Connection
3
Page 10: Balanced unbalanced, Channel b+ + no using channel a
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
Alto Mac 2.3 Amp Manual Pdf
LF 30HZ
FILTER
1.15V/20K
INPUT
CONNECTION
(+)
-
( )
(GND)
SRT
T(+)
S(GND)
R( )
Alto Mac 2.3 Amp Manual Software
-
CH-1
CH-2
BRIDGED
MONO
CHANNEL 1
CHANNEL 2
Alto Mac 2.3 Amp Manual Pdf
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+
Alto Mac 2.3 Amp Manual Instructions
STEREO
BRIDGED