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Inter-m MA-106A, Operation Manual

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PUBLIC ADDRESS AMPLIFIER

1

MA-106A

Contents

Contents

Unpacking

.......................................................................................................................................2

Installation

Environment....................................................................................................................................2
Important Safety Instructions.............................................................................................................2

Features

............................................................................................................................................3

Operation

........................................................................................................................................3

Front Panel

......................................................................................................................................4

Rear Panel

.......................................................................................................................................5

Connecting Speakers

.....................................................................................................................8

Typical Applications

.......................................................................................................................9

Block Diagram

..............................................................................................................................10

Specifications

................................................................................................................................11

Service

Procedures....................................................................................................................................13
Schematic .....................................................................................................................................13
Parts List .......................................................................................................................................13

Variations and Options

...............................................................................................................13

Warranty

.......................................................................................................................................13

MA-106A_E_130177 8  12. 3. 12.  오전 11:21  페이지 4

Summary of Contents for MA-106A

Page 1: ...global company that is truly international in scope with factories and offices in Korea and China and sales and marketing operations located in Japan Europe and the U S A With more than 850 employees...

Page 2: ...Operation Manual Public Address Amplifier MA 106A MA 106A_E_130177 8 12 3 12 11 21 2...

Page 3: ...onnect the device from power separate AC input cable from inlet or unplug the AC Cord The socket outlet shall be installed near the equipment and shall be easily accessible CAutION These servicing ins...

Page 4: ...t 2 Important Safety Instructions 2 Features 3 Operation 3 Front Panel 4 Rear Panel 5 Connecting Speakers 8 Typical Applications 9 Block Diagram 10 Specifications 11 Service Procedures 13 Schematic 13...

Page 5: ...cluding amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has...

Page 6: ...cally converted to Master System standby Mode Operation Operation 1 Before you plug the power cord to AC outlet please set the power switch OFF Tone Control center and volume level minimum 2 Please ma...

Page 7: ...resent 3 INPUT LEVEL CONTROLS These control the level of the three input channels 4 BASS AND TREBLE CONTROLS These control the bass and treble of the main amplifier output 5 MASTER VOLUME CONTROL This...

Page 8: ...ONE 2 output provides two signals 1 a low impedance output that is capable of continuously driving 1 Watt into an 8 Ohm loudspeaker and 2 a 600 Ohms transformer balanced output Zone 2 output is contro...

Page 9: ...perated Switching or VOX Input 2 has priority over input 3 and input 1 has priority over input 2 Input 1 also has the ability to use a contact closure trigger such as a mic push to talk switch for pri...

Page 10: ...ol is also used to fine tune the signal threshold that will trigger the muting of input 2 or inputs 2 and 3 if linked 12 INPUT 1 CONNECTOR A 3 5mm Euroblock connector is used for input 1 and can be us...

Page 11: ...total impedance is not less than the rated impedance indicated 2 Don t have to use several speaker terminals at the same time 3 If you re just dealing with the high impedance terminal then make sure t...

Page 12: ...o mono at the input In this example all three inputs are assigned to Zone 2 via the DIP switches Because the mic is set up for push to talk the IN 1 VOX trigger switch is left off IN 2 VOX trigger is...

Page 13: ...PUBLIC ADDRESS AMPLIFIER 10 MA 106A Block Diagram Block Diagram MA 106A_E_130177 8 12 3 12 11 21 13...

Page 14: ...X Trigger Input 1 SW5 VOX Trigger Input 2 SW6 Mute Link Input 2 3 SW7 Low Cut 400Hz 6dB Oct SW8 INPUT1 Phantom Power 18V Manual Mute Contact Closure Pin 1 G Input 1 Mute Trigger Master System Standby...

Page 15: ...PUBLIC ADDRESS AMPLIFIER 12 MA 106A DIMENSIONS MA 106A_E_130177 8 12 3 12 11 21 15...

Page 16: ...arranty terms and conditions vary by country and may not be the same for all products Terms and conditions of warranty for a given product may be determined first by locating the appropriate country w...

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