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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

Содержание MAC 2.2, MAC 2.3, MAC 2.4

Страница 1: ...STEREO POWER AMPLIFIER MAC 2 2 2 3 2 4 User s Manual LTO R www altoproaudio com Version 1 0 September 2004 English ...

Страница 2: ...y 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 Protective Ground Before turning the product ON make sure that it is connected to Ground This is to prevent the risk of electric shock Never cut internal or external Ground wires Likewise never remove Ground wir...

Страница 3: ...ry reliable and high quality product ready for all your venues And thanks to their passion for music and professional audio it has been possible for us to offer you our most important team member our continued support too Our LTO MAC 2 2 2 3 2 4 Stereo Power Amplifier is the result of many hours of listening and tests involving common people area experts musicians and technicians The result of thi...

Страница 4: ...nting 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 ...

Страница 5: ...dios The MAC 2 2 2 3 2 4 is used for professional output of stage stereo with excellent performance Output power can be adjusted at the user s demand and the sound quality and protecting circuit are both sophisticated The front panel presents you with 6 LEDs power LED protection LED clip signal LED for each channel and 2 level controls you can operate this unit more precise and easier The output c...

Страница 6: ...n which is used to keep fixed output level for protecting apparatus If the switch is at OFF this clip limt function doesn t work 10 Clip Limit Switch Setting this switch to ON is equal to adding an appropriate low pass filter in the input circuit which is used to protect the speaker system from the damage caused by large subsonic frequencies 11 LF 30Hz Filter 12 Mode Selector The MAC 2 2 2 3 2 4 s...

Страница 7: ...sing system the enclosed power cord and a standard IEC receptacle and it meets all of the international safety certification requirements 4 2 Rack Mounting The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer The MAC 2 2 2 3 2 4 Professional Stereo Amplifier fits into one standard 19 rack unit of space Be sure that there is enough air ...

Страница 8: ... Input wiring tips BALANCED UNBALANCED Unbalanced Balanced Tip Ring Sleeve Tip Ring Sleeve Tip Ring Sleeve 1 2 3 1 2 3 1 2 3 TIP RING SLEEVE SLEEVE RING TIP TIP RING SLEEVE 2 1 3 1 2 3 1 2 3 1 2 3 Tip Ring Sleeve Tip Ring Sleeve Tip Sleeve Tip Sleeve Tip Sleeve Cent e r Cent e r Centre Screen Screen Screen 1 2 3 Tip Ring Sleeve 1 2 3 1 2 3 TIP SLEEVE TIP SLEEVE TIP RING SLEEVE TIP RING SLEEVE 2 1 ...

Страница 9: ...E 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 CHANNEL B Channel B PIN 1 PIN 1 Channel A PIN 1 PIN 1...

Страница 10: ...IELD 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 P...

Страница 11: ...3 32dB 34dB 0 03 0 03 100dB 100dB 100dB 1 15V 3 4dBu 4 Ohms 4 Ohms 2 Ohms 8 Ohms 8 Ohms POWER SPECIFICATIONS MAC 2 2 480 300 205 560 800 800 450 310 900 1400 MAC 2 3 MAC 2 4 1400 750 575 1500 2500 STEREO MODE Both channels driven 20Hz 20KHz Bridge Mono Mode 20Hz 20kHz PROTECTION 1 red LED As to the speaker cable if you use a long one use as thick a cable as possible to prevent deterioration of the...

Страница 12: ...K DC OFFSET DC SERVO OVER TEMP SHORT CIRCUIT CURRENT LIMITER TURN ON TURN OFF TRANSIENTS BRIDGED PARALLEL MONO ACTIVE CLIP CH A CH B AMP SIG CH A CH B OPTION BINDING POST TERMINALS AC PWR DETECTOR POWER TRANS CH A CH B PROT PRE PWR INDR 2 SPEED FANS IN RUSH CURRENT POWER SWITCH CIRCUIT BREAKER AC POWER 120V 220V 230V 240V 50 60Hz OPTION XLR CONNECTOR 1 4 PHONE JACK SPEAKON CONNECTOR NOTICE 30Hz 9d...

Страница 13: ...d LTO of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 3 During the warranty service may repair or replace this product at its own option at no charge to you for LTO parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions Nor...

Страница 14: ...w 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 prior notice Any photocopy translation or reproduction of part of this written permission is forbidden Copyright 2004 S without manual without ekaku Electron c ...

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