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Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
PUBLIC ADDRESS SYSTEM
SIGNAL
CLIP PROT TEMP
SIGNAL
2120A
2-CHANNEL AMPLIFIER
CH1
CH 1
POWER
VOLUME
5
4
6
3
7
ON
OFF
2
8
2
1
9
0
10
2-CHANNEL AMPLIFIER
CLIP PROT TEMP
CH2
CH 2
VOLUME
5
4
6
3
7
8
1
9
0
10
2120A
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Table of Contents
Related Manuals for Soundchoice PROAudio 2120A
Summary of Contents for Soundchoice PROAudio 2120A
- Page 1 PUBLIC ADDRESS SYSTEM 2120A 2-CHANNEL AMPLIFIER SIGNAL CLIP PROT TEMP SIGNAL CLIP PROT TEMP 2120A 2-CHANNEL AMPLIFIER CH 1 CH 2 POWER VOLUME VOLUME Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference.
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. SAFETY PRECAUTIONS ..................3 2. GENERAL DESCRIPTION ..................5 3. FEATURES ......................5 4. NOMENCLATURE AND FUNCTIONS 4.1 Front Panel(2U) ...................... 6 4.2 Rear Panel(2U).......................7 5. CONNECTIONS ...................... MACHINE OPERATION ..................9 7. APPLICATIONS .....................10 8. BLOCK DIAGRAM ....................11 9. -
Page 3: Safety Precautions
1. SAFETY PRECAUTIONS Be sure to read the instructions in this section carefully before use. Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included. We also recommend you keep this instruction manual handy for future reference. Safety Symbol and Message Conventions Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling. - Page 4 SAFETY PRECAUTIONS When the Unit is in Use When Installing the Unit Do not place heavy objects on the unit as this may Never plug in nor remove the power supply plug cause it to fall or break which may result in with wet hands, as doing so may cause electric personal injury and/or property...
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Page 5: General Description
2. GENERAL DESCRIPTION With two separate power amplififers in a single chassis and power ratings 120 watts RMS, these sleek, attractive units provide a compact solution for sound choice system amplification and distribution. Both balanced and unbalanced line inputs make it selectable for installer, balanced line output feeds to another power amplifier as well as secures the signal transmission is less noise and longer distance. -
Page 6: Nomenclature And Functions
4. NOMENCLATURE AND FUNCTIONS 4.1 FRONT PANEL(2U) SIGNAL CLIP PROT TEMP SIGNAL CLIP PROT TEMP 2120A 2-CHANNEL AMPLIFIER CH 1 CH 2 POWER VOLUME VOLUME 1. POWER SWITCH On top of the opening Power, Press the end, power shut down 2. -
Page 7: Rear Panel(2U)
NOMENCLATURE AND FUNCTIONS 4.2 REAR PANEL(2U) CH 2 INPUTS CH 2 LINK INPUTS LINK XLR BAL 1-GND 2-HOT+ 3-COLD- OUTPUTS 2 OUTPUTS 1 LIFT CH 1 INPUTS CH 1 LINK ¦¸ ¦¸ N17795 ~240V 50Hz 400W T6.3AL 250V ~240V 50Hz POWER INPUT OUTPUTS2 Connectors for 4 ohms or 70V and 100V speaker 10. -
Page 8: Connections
5. CONNECTIONS SPEAKER CONNECTIONS 100V 100V (2120A) 70V LINE 100V (2120A) 100V LINE 70V/... -
Page 9: Machine Operation
6. MACHINE OPERATION MIC INPUT CHANNEL 1~3 This is a special connector which will accept 3-conductor XLR. These inputs are suitable to receive signal from microphones level devices. MIC JACK (XLR JACK) LINE JACK (TRS PHONE JACK) Pin 1:GROUND Sleeve:GROUND Pin 2:HOT(+) Tip:HOT(+) Pin 3:COLD(-) -
Page 10: Applications
7. APPLICATIONS REAR PANEL CONNECTIONS... -
Page 11: Block Diagram
8. BLOCK DIAGRAM... -
Page 12: Specifications
9. SPECIFICATIONS MODEL 2120A RATED POWER OUTPUT 2X120W SPEAKER OUTPUTS 4 ,70V/100V INPUT SENSITIVITY 775mV/0dB FREQUENCY RESPONSE 50Hz~15KHz S/N RATIO >90dB T.H.D <1% Compulsive wind cooling RADIATOR METHOD Power, Signal, Protection and Overheat INDICATORS Power, Overheat, Overload and short-circuit PROTECTION... -
Page 13: Dimensional Diagram
10. DIMENSIONAL DIAGRAM UNIT :mm SIGNAL CLIP PROT TEMP SIGNAL CLIP PROT TEMP 2120A 2-CHANNEL AMPLIFIER CH 1 CH 2 POWER VOLUME VOLUME CH 2 INPUTS CH 2 LINK INPUTS LINK XLR BAL 1-GND 2-HOT+ 3-COLD- OUTPUTS 2 OUTPUTS 1... - Page 14 PUBLIC ADDRESS SYSTEM VersionV0.1...
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