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Summary of Contents for Redback A 4260A
- Page 1 PUBLIC ADDRESS SYSTEM A 4260A/A 4262A 1X120W/1X240W CLASS D MIXER AMPLIFIER 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. FUNCTIONS 4.1 Front Panel ......................6 emote control......................6 4.3 Rear Panel....................... 7 5. OPERATION ILLUSTRATION ................8 TROUBLESHOOTING ....................11 7. APPLICATIONS ..................... 12 8.BLOCK DIAGRAM ....................13 9.SPECIFICATIONS .................... -
Page 3: Safety Precautions
AC outlet and as doing so may result in fire or electric shock. contact your nearest Redback dealer. Make no further attempt to operate the unit in this condition Use the unit only with the voltage specified on the as this may cause fire or electric shock. - Page 4 When removing the power cord, be sure to hold its plug to pull. Contact your Redback dealer as to the cleaning. If Do not block the ventilation slots in the unit's cover. dust...
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Page 5: General Description
2. GENERAL DESCRIPTION This is mixer amplifier with MP3/TUNER/Bluetooth,adopting high-performance switching power supply and class D power amplifier chip combination; 1U chassis design, high efficiency, light weight, beautiful appearance. 3. FEATURES 1. MP3 decoding module supports USB / SD / Bluetooth / FM playback automatically switch. Configure MP3 remote control;... -
Page 6: Functions
4. FUNCTIONS 4.1 FRONT PANEL A 4260A 1X120W CLASS H MIXER AMPLIFIER 10 11 12 13 15 16 2 3 4 5 1. SD / MMC card slot 11. BASS adjustment potentiometer 2. PREV / VOL reduce 12. TREBLE adjustment potentiometer 3. -
Page 7: Rear Panel
4. FUNCTIONS 4.3 REAR PANEL MIC 1 OUTPUT OUTPUT INPUT ~240V 50Hz 180W BATT SUPPLY MIC 4 MIC 3 MIC 2 MUTE DC24V 100V/4-16Ω 100V 4-16Ω AUDIO AUX2 AUX1 EMC IN MUTE 8 9 1011 1213 14 1. AC power input socket 100V/ 4-16Ω... -
Page 8: Operation Illustration
5. OPERATION ILLUSTRATION 1. Connect the speakers: ① When the 100V and 4 -16Ω selector switch to ②W hen the 100V and 4 -16Ω selector switch to 4-16Ω position, as shown below: 100V position, as shown below: OUTPUT OUTPUT BATT SUPPLY BATT SUPPLY DC24V DC24V... - Page 9 5. OPERATION ILLUSTRATION Microphone using: 1.Turning the volume knob to the left,Connect the microphone and microphone input interface. 2.Turning the volume knob in the right position. 3.Facing the microphone and Speak loudly, turn the volume knob to the right, until the output signal no longer distortion.If input is high but output is low voice, and then increase the volume by using the volume knob.If the speaker volume is very high, then reduce the volume by using the volume knob.
- Page 10 5. OPERATION ILLUSTRATION 7.Mobile phone bluetooth operation method: ①Press the MODE button on the MP3 player and set to bluetooth MODE. " " ②Enter the mobile phone Settings, find the bluetooth related Settings. ③Click on the bluetooth switch, turn on the bluetooth, if already turned on, then ignore. Because mobile phone system is different, setting interface may be a little different.
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Page 11: Troubleshooting
6. TROUBLESHOOTING Failure phenomena Failure cause 1 Power line is cut off 1. Power switch is not opened 2. The protection function of the equipment is not activated 1. The power switch is not opened or the power plug is bad contacted. 2. -
Page 12: Applications
7. APPLICATIONS REAR PANEL CONNECTIONS... -
Page 13: Block Diagram
8. BLOCK DIAGRAM... -
Page 14: Specifications
9. SPECIFICATIONS Model A 4260A A 4262A Rated Power 120W 240W 4-16Ω/100V Output Level MIC:2mV ±1mV LINE: 100mV±20mV Input Sensitivity AUX: 350mV±20mV EMC: 775mV±40mV Pre-output AUDIO OUT: 1V±50mV/100Ω :±10dB at 100Hz； Low frequency Mic Tones :±10dB at 10KHz High frequency :±10dB at 100Hz；... -
Page 15: Dimensional Diagram
10. DIMENSIONAL DIAGRAM UNIT:mm A 4260A 1X120W CLASS H MIXER AMPLIFIER MIC 1 OUTPUT OUTPUT INPUT ~240V 50Hz 180W BATT SUPPLY MIC 4 MIC 3 MIC 2 MUTE DC24V 100V/4-16Ω 100V 4-16Ω AUDIO AUX2 AUX1 EMC IN MUTE UNIT:mm Over 100... - Page 16 PUBLIC ADDRESS SYSTEM Version 0.2...
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