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                                                                                      Public Address System

 

 

M\S Amplifier                                   

DA8250 

 

 

 

 

 

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Public Address Amplifier

8M/S lntelligent PA Amplifier  DA8250

P WR

P ROT

S TA US

S IG

CLIP

P WR

P ROT

S TA US

S IG CLIP

P WR

P ROT

S TA US

S IG

CLIP

P WR

P ROT

S TA US

S IG CLIP

P WR

P ROT

S TA US

S IG

CLIP

P WR

P ROT

S TA US

S IG

CLIP

P WR

P ROT

S TA US

S IG

CLIP

P WR

P ROT

S TA US

S IG

CLIP

P WR

P ROT

S TA US

S IG

CLIP

M-250

M-250

M-250

M-250

M-250

M-250

M-250

M-250

M-250

 

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User's Manual   

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Welcome to use DSPPA public address system. For the better use of this product, please read this instruction 

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carefully prior to use. 

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  Guangzhou DSPPA Audio Co., Ltd                                                                                                                                         

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http://www.dsppatech.com 

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Summary of Contents for DA8250

Page 1: ...ROT STAUS SIG CLIP PWR PROT STAUS SIG CLIP PWR PROT STAUS SIG CLIP PWR PROT STAUS SIG CLIP PWR PROT STAUS SIG CLIP PWR PROT STAUS SIG CLIP M 250 M 250 M 250 M 250 M 250 M 250 M 250 M 250 M 250 User s Manual Welcome to use DSPPA public address system For the better use of this product please read this instruction carefully prior to use Guangzhou DSPPAAudio Co Ltd http www dsppatech com ...

Page 2: ...M S Amplifier 2 此页留空供用户记事 ...

Page 3: ...recautions for use instruction to connection of system and instruction to operation of product and so on The user shall read this operation instruction carefully prior to connection installation and use and shall operate in accordance with the instructions herein The attention must be paid to the instructions with such identification on the back panel of the machine Please use or operation the mac...

Page 4: ...y cold or hot Please do NOT place any heavy article on this equipment Please operate switches buttons or external audio source carefully Please prevent foreign matters such as paper metal etc entering the equipment through the gaps or opening in such cases please cut off the power supply immediately Do NOT attempt to remove any internal component from the equipment or to modify the equipment in wh...

Page 5: ...ppearance 3 2 1 Front panel instructions 3 2 2 Rear panel description 4 3 1 Main interface operation instructions 5 3 2 Volume adjustment interface operation instructions 6 3 3 System Settings Interface Operation Description 8 Safety Precautions 9 Matters needing attention 9 Packing List 10 Specification 10 ...

Page 6: ... automatically manually remotely invoke standby power amplifier Each amplifier channel has independent input and output interfaces and one input corresponds to one output Each amplifier can independently adjust the volume the volume adjustment can be performed by the machine and remotely High power switching design with protection of over voltage over current high temperature and short circuit Sta...

Page 7: ...n the machine is automatically protected by a fault 3 Pressure limit indicator CLIP 4 Output level indicator SIG 5 Power Indicator PWR The indicator is turn on when the power of this channel is turn on 6 Module replacement plug hole There is no need to power off the power amplifier board when replacing it Put the finger directly into the socket and remove the power amplifier board Then insert the ...

Page 8: ...tput of the channel and the channels of the eight main power amplifiers are independent from each other The output ground of eight main power amplifier channels is the same as the ground of the channel and the channels of the eight main power amplifiers are independent from each other 3 The logo means applicable to altitudes up to 2000 meters above sea level and non tropical climate safety 4 Eight...

Page 9: ...Normal The channel s amplifier is in normal playback 3 Fault There are sub faults power amplifier faults and line faults If the channel amplifier is broken and no standby power amplifier can be called no signal will be output 4 Overheat When internal temperature of the main power amplifier of this channel detects 76 C it shows overheat protection and automatically switches to standby power amplifi...

Page 10: ...parison The priority of main amplifier B is lower than that of main amplifier A Therefore main amplifier B cannot call the standby amplifier The main amplifier B can only stand still and show failure or overheating The priority of the main power amplifier B is higher than that of the main power amplifier A and the main power amplifier B directly seizes the standby power amplifier Main amplifier B ...

Page 11: ...the original is self adjusting or manual tuning you can manually call the standby amplifier 3 Manually force the priority of the standby power amplifier above the automatic call The machine will analyze the situation and a corresponding warning box will pop up to remind the operator After the operator makes a decision the machine then stays as it is or moves to the designated channel 4 Regardless ...

Page 12: ...n and nine out working modes are extended functions and will not be open for the time being System Settings Interface Touch on the volume adjustment interface enter the system settings interface You can set the work mode to 8 main and 1 spare or 9 in 9 out and then touch Save ...

Page 13: ... NOT open the case and repair without permission from a professional personnel to avoid accident or additional damages to the device Please do NOT place any corrosive chemicals near or on the device 2 Matters needing attention Our company provides a three year free warranty service including free replacement parts over quality issues as from the date of purchase provided that the device is install...

Page 14: ...per channel 250W Note Please use the constant pressure speaker within the power range Rated output voltage 100V Sensitivity 1VRMS Signal to noise ratio 80dB Frequency Range 80Hz 15kHz 3dB Total harmonic distortion 0 5 1K under normal working conditions Voltage operating range AC220V 50Hz 60Hz Allow voltage fluctuation 15 Rated power consumption Single module 310W the whole 3000W Machine size L W H...

Page 15: ...emove the cover of the equipment otherwise you may get an electric shock Where necessary repair to the equipment should be conducted by qualified professionals All terminals on the device marked with are live and dangerous and should be connected by trained personnel This is connected to power source via the plug and any failure or danger occurs the user can disconnect the device from power source...

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