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This series two-channel  pre-amplifier with the latest  styles to meet the needs of  small and  medium 

sized public address system.Two-channel pre-amplifier has 2 inputs at the same time,cac enhance the 

audio  signal simutenously . Two-channel  audio  pre-amplifier  is  the  connector  of all audiou sources 

(including  common  sources such as CD drive, modem, sound recording  deck , MP3  players , special 

audio alarm and a variety of  microphones ) and the power amplifier devices.The volume  of each input 

source can be adjusted independently,with priority ranking function,which can require the input source

 to  prioritize. Two-channel  pre-amplifier  has sound  quality control  functions,such as  through its ring 

 tone  control  circuit  or other control circuit,  to  regulate and  control the frequency  characteristics  of 

signals,to play modified and beautifythe sound, and meet the requirementsof the listener's preferences. 

 

     

 
 

     

 

     

 
 

     

 

     

 

     

 

     

 
 
 

Standard chassis design, 1U aluminium alloy; light equipment, simple operation, artistic and 

         
          practical

Each input independent volume and treble /bass volume adjustment

MIC 1-2 balanced microphone inputs with +48 phantom power switch and gain adjustment

With alarm generator, to provide for the paging tone

LINE 1-4 line input with gain adjustment

REC has a left and right channel audio input and balance left and right channels output control

MIC 1 ~ MIC 2 input priority to other

4. FEATURES

3. GENERAL DESCRIPTION

5

Summary of Contents for PROJECTMIX241

Page 1: ...tain the optimum resultsfrom this unit We also recommend that you keep this manual handyfor future reference OPERATION MANUAL 3 0 3 8 13 OUTPUT LEVEL POWER MIC1 LEVEL TREBLE BASS MIC2 LEVEL TREBLE BAS...

Page 2: ...ON ILLUSTRATION Power Indicatior 8 6 2 Power Switch 8 6 3 Power input 8 6 4 Left Right input interface XLR 9 6 5 REC Recorder input interface 9 6 6 Line 1 4 inputs 10 6 7 Alarm Inputs 1 0 6 8 MIC 1 MI...

Page 3: ...sult in fire or electric shock Be sure to replace the unit s terminal cover after connection completion Because high voltage is applied to the speaker terminals never touch these terminals to avoid el...

Page 4: ...rating sooty smoke or steam as doing otherwise may result in fire or electric shock When the Unit is in Use Do not place heavy objects on the unit as this may cause it to fall or break which may resul...

Page 5: ...Two channel pre amplifier has sound quality control functions such as through its ring tone control circuit or other control circuit to regulate and control the frequency characteristics of signals t...

Page 6: ...IC2 Volume Control 5 MIC2 treble adjustment 6 MIC2 bass adjustment 7 Line channels selector 8 Line volume control 9 Line treble control 10 Line bass control 11 Left and Right volume control 12 Left ch...

Page 7: ...and right channel audio input REC 20 Line input LINE1 LINE4 21 Alarm signal input circuit 17 18 19 20 21 22 23 24 26 25 INPUTS MIC 1 MIC 2 2 1 3 OUTPUTS REC LINE 2 LINE 1 GAIN LINE 4 LINE 3 GAIN GAIN...

Page 8: ...L4 POWER ON OFF 0 0 0 4 5 6 7 10 0 9 2 3 1 8 0 3 0 3 8 13 OUTPUT LEVEL POWER MIC1 LEVEL TREBLE BASS MIC2 LEVEL TREBLE BASS MUSIC LEVEL TREBLE BASS SOURCE LEFT RIGHT MASTER INPUTS MIC 1 MIC 2 2 1 3 OU...

Page 9: ...4 LEFT 0 775V 600 0 775V 600 4mV 45mV 600 4mV 45mV 600 125mV 1 2V 10k 125mV 1 2V 10k 125mV 1 2V 10k 125mV 1 2V 10k ON OFF POWER CLIP OL VOLUME PROT 5 0 1 2 3 4 6 7 8 9 10 350 WATT AMPLIFIER SIGNAL 19...

Page 10: ...Y SIREN PLAY MSG LINE MIC ON OFF ALARMING SIGNAL GENERATOR ALARMING SIGNAL GENERATOR INPUTS MIC 1 MIC 2 2 1 3 OUTPUTS REC LINE 2 LINE 1 GAIN LINE 4 LINE 3 GAIN GAIN ALARM RIGHT LEFT GAIN USE ONLY WITH...

Page 11: ...tween 20 60dB Note 1 2 3 When using the microphone input you must first volume to mid range position to avoid sending the sound exposure Microphone input priority must first adjust address code Otherw...

Page 12: ...ertain temperature conditions installing equipment 1 4 2 3 INPUTS MIC 1 MIC 2 2 1 3 OUTPUTS REC LINE 2 LINE 1 GAIN LINE 4 LINE 3 GAIN GAIN ALARM RIGHT LEFT GAIN USE ONLY WITHA 250W FUSE 1 2 3 4 ON 1 2...

Page 13: ...5 4 MEM 3 ST MON AM FM 2 1 DOWN POWER CD PLAYER IR STATUS POWER CH 2 VOLUME ON CH 1 VOLUME MIN MAX MIN MAX CLIP PROT SIGNAL CLIP PROT SIGNAL CH 1 CH 2 CD TUNER PLAYER INPUTS MIC 1 MIC 2 2 1 3 O UTPUTS...

Page 14: ...2 LINE3 LINE4 MIC1 MIC2 AMP AMP AMP AMP AMP AMP LOW LOW LOW HIGH HIGH HIGH SW PH L1 L2 L3 L4 PH VOL VOL GAIN GAIN GAIN GAIN GAIN GAIN VOL L L R L R L R L R R ALARM REC OUT LEVEL R OUTPUT PEAK SIG LEVE...

Page 15: ...ion Microphone1 2 Inputs Noise REC output level Outputs ELSE 2k balanced 15V PCB jumper for on off TREBLE 10dB 5kHz BASS 10dB 100Hz 65dB A weighted 775mV 0dBu 3 pin Phoenix type connector 20dBu 7 75V...

Page 16: ...3 RIGHT MIC1 PRIORITY MIC2 PRIORITY MIC2 48V PHANTOM 1 2 3 4 MIC1 48V PHANTOM 1 2 3 4 LEFT 0 775V 600 0 775V 600 4mV 45mV 600 4mV 45mV 600 125mV 1 2V 10k 125mV 1 2V 10k 125mV 1 2V 10k 125mV 1 2V 10k...

Page 17: ...VersionV0 1...

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