User's Manual MAC 2.2/2.3/2.4 STEREO POWER AMPLIFIER R LTO www.altoproaudio.com Version 1.
the recommended fuse type as indicated in this manual. Do not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is OFF and disconnected from the AC outlet. SAFETY RELATED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Protective Ground This symbol, wherever used, alerts you to the presence of un-insulated and dangerous voltages within the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death.
PREFACE Dear Customer: Thanks for choosing endeavors. For LTO MAC 2.2/2.3/2.4 Stereo Power Amplifier which is the result of our LTO AUDIO TEAM's LTO AUDIO TEAM music and audio are much more than a job, they are a passion and an obsession! We have been designing professional audio products for a long time in cooperation with many of the world's major brands. The LTO line represents unparalleled analogue and digital products made by musicians, for musicians.
TABLE OF CONTENTS 1. INTRODUCTION.....................................................................................................................................4 2. FEATURE LIST.......................................................................................................................................4 3. CONTROL ELEMENTS..........................................................................................................................4 3.1 The Front Panel 3.2 The Rear Panel 4.
1. INTRODUCTION Thank you very much for expressing your confidence in LTO products by purchasing our MAC 2.2/2.3/2.4 Stereo Power Amplifier. With the MAC 2.2/2.3/2.4 you have acquired an extremely musical and flexible high power amplifier which is based on many years of experience and finding in amplifier technology and is used through the world in the renowned studios. The MAC 2.2/2.3/2.4 is used for professional output of stage stereo with excellent performance.
Signal LED These signal indicators light up when the output is more than 100mV. 5 5. Level Control These level controls are used to adjust the output signal level, you'd better adjust them properly to avoid any distortion. 3.2 Rear Panel 6 11 CH-2 (+) SRT 2 LINE 1 3 WARNING BREAKER S(GND) 3 OFF ON LF 30HZ FILTER BALANCED INPUT BRIDGED MONO 1.
In this mode, CHA input signal will be output from the bridge output connector, detail wiring diagram you can refer to chapter 5. 13. Fan 13 This fan release the heating from the unit by accelerating the air circulation (air flowing from front to back), and the speed is continuously variable. 4. INSTALLATION & CONNECTION 4.1 Mains Connection Do not insert the power cord into this unit until voltage has been correctly set. Do not plug the power cord into the mains until the voltage has been correctly set.
easily interface with most professional audio devices. Follow the configuration examples below for your particular connection.
Input wiring tips BALANCED UNBALANCED GND 1 SHIELD 1 3 3 2 2 FROM SOURCE INPUT FROM SOURCE INPUT + + SHIELD SHIELD INPUT CONNECTION CH-2 (+) SRT 2 LINE CHANNEL B 1 3 OFF ON LF 30HZ FILTER BALANCED 1.15V/20K INPUT BRIDGED MONO BRIDGED CHANNEL 1 TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
Input wiring tips BALANCED UNBALANCED GND 1 SHIELD 1 3 3 2 2 FROM SOURCE INPUT + + SHIELD SHIELD INPUT CONNECTION CH-2 (+) SRT 2 LINE NO USING FROM SOURCE INPUT 1 3 WARNING BREAKER S(GND) 3 OFF ON LF 30HZ FILTER BALANCED 1.15V/20K INPUT BRIDGED MONO BRIDGED 2 CHANNEL 1 TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
6.2 Caution for Speaker Connection The output capacity of MAC 2.2/2.3/2.4 stereo power amplifier is very high, be sure to use a speaker system that has sufficient input capacity. If the input capacity of your speaker system is lower than the rated output of the MAC 2.2/ 2.3/2.4 stereo power amplifier, you can protect your speakers by connecting a fuse serially between the speaker and the amplifier as shown below.
11 AC POWER 120V/220V/230V /240V 50/60Hz (OPTION) LINK INPUT CH-B 1.15V RMS +4dB 15Kohm BALANCED LINK INPUT CH-A POWER SWITCH :SPEAKON CONNECTOR :1/4" PHONE JACK :XLR CONNECTOR NOTICE E.B SUB WOOFER (OPTION) E.
7. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of the sales status, so as to purport a more effective and efficient after-sales warranty service.
SEKAKU ELECTRON INDUSTRY (H.K.) CO. LTD. No.1, Lane 17, Sec. 2, Han Shi West Road, Taichung, 401 TAIWAN http://www.altoproaudio.com Tel:886-4-22313737 email: alto@altoproaudio.com Fax:886-4-22346757 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright c 2004 Sekaku Electron NF01893-1.
