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User Manual
Thanks for using LYINTL public address system amplifier. For better use the equipment, please read the manual
carefully prior to use.
Public Address System
Multi-channel Digital Power Amplifier
DA-2125/DA-2250/DA-2500
DA-4060/DA-4125/DA-4250
LY International Electronics. Co., Ltd
Http://www.lyintl.com/
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Table of Contents
Related Manuals for LYINTL DA-2125
Summary of Contents for LYINTL DA-2125
- Page 1 Public Address System Multi-channel Digital Power Amplifier DA-2125/DA-2250/DA-2500 DA-4060/DA-4125/DA-4250 User Manual Thanks for using LYINTL public address system amplifier. For better use the equipment, please read the manual carefully prior to use. LY International Electronics. Co., Ltd Http://www.lyintl.com/...
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Page 2: About The Manual
About the Manual The Manual will be available since the date when the development of multi-channel digital amplifier is completed. The Manual describes the features, precautions, system connections, operating instructions, and other contents of the multi-channel digital amplifier, please read it carefully before using, and operate as instructed by it. -
Page 3: Matters Needing Attention
Matters needing attention Please read the following before operating the product. Warning The following basic requirements must be strictly observed, to avoid potential personal injury and equipment or property damages to you or any person nearby. The basic requirements include without limitation to the following: Power source/power cable personnel. -
Page 4: Product Description
Digital Power Amplifier I. Product Description 1.1 Features Multi-channel: 4-channel or 2-channel; 5-unit LED for status; Advanced active PFC (power factor correction); Efficient switching power supply; Efficient CLASS D amplifier; Support DC 24V power supply; ... -
Page 5: Front Panel
Digital Power Amplifier II. Appearance 2.1 Front Panel 4-Channel series 2-Channel series 1. Indicator PRO: Signal indicator (signal output); After being powered on and input with signal, if the protection indicator (PRO) and LIM are on first, go out after a few seconds, and are on again, the output short circuit fault occurs, and the above phenomena will repeat if the fault is not removed. -
Page 6: Rear Panel
Digital Power Amplifier 2.2 Rear Panel 4-Channel series 2-Channel series AC power input (with fuse holder) 24V DC power input (Max. access core is Φ6mm) Air outlet of fan 70V/100V voltage output 70V/100V output switch Prior 100VRMS single unbalanced line input (2-position3.81 phoenix) Prior balanced line input (3-position 3.81 phoenix, priority signal 6 and 7 are directly mixed. -
Page 7: Input Connection
Digital Power Amplifier III. Connection Note: Connect the other three groups of power output in the Connected to the external constant voltage amplifier same way, with COM terminal Connected to the external audio source and OUT terminal as a group. Connected to the external amplifier equipment Connected to DC 24V... - Page 8 Digital Power Amplifier Packing List of 2-channel Series List Quantity 5×19 whole machine fixing screw 4 pcs 10A National Standard MP-P power line 1 pc 3.81-2P plug 2 pcs 3.81-3P plug 6 pcs User manual 1 copy Plastic washer (Black) 4 pcs Packing List of 4-channel Series List...
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Page 9: Specification
Digital Power Amplifier Specification Model number DA-2125 DA-2250 DA-2500 DA-4060 DA-4125 DA-4250 Number of channels Rated output power of each 120W 250W 500W 120W 250W channel 775mVRMS（0dBV/ all balanced input) 100VRMS (100V unbalanced input) Input sensitivity SNR (signal-to-noise ratio) >80dB (100VRMS output) - Page 10 ● Since the equipment is connected to network source through power line plug, just pull the power line plug to disconnect it with power network in case of its fault or danger, therefore, please put the power socket in the place where power line is easy to plug. LY International Electronics Co., Ltd. Http://www.lyintl.com/ - 7 -...
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