Sound Choice Pro Audio 4120A Operation Manual Download Page 11

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8. SPECIFICATIONS

MODEL

RATED POWER OUTPUT

SPEAKER OUTPUTS

PROTECTION

INPUT SENSITIVITY

FREQUENCY RESPONSE

S/N RATIO

T.H.D

COOL METHOD

INDICATORS

4~16

,70V/100V

775mV/0dB

50Hz~16KHz d istortion<1.5dB

>15V/microsecond

<1%

Copulsive wind cool form

Power, Signal, Protection, Peaking

Power on, Overload and Protection

POWER REQUIREMENTS

~240V 50Hz

4120A

4X120W

DIMENSION(mm)

NET WEIGHT

484X448X88

POWER CONSUMPTION

22Kg

720W

OUTPUTS NOISE

<3mV

IMPEDANCE

200:1

Summary of Contents for 4120A

Page 1: ...optimum resultsfrom this unit We also recommend that you keep this manual handyfor future reference 4 CHANNEL AMPLIFIER 4120A POWER TEMP ON OFF 5 0 1 2 3 4 6 7 8 9 10 CH 1 5 0 1 2 3 4 6 7 8 9 10 CH 2 5 0 1 2 3 4 6 7 8 9 10 CH 3 5 0 1 2 3 4 6 7 8 9 10 CH 4 PROTECT SIGNAL CLIP 4120A 4 CHANNEL AMPLIFIER ...

Page 2: ...2 GENERAL DESCRIPTION 5 3 FEATURES 5 4 NOMENCLATURE AND FUNCTIONS 4 1 Front Panel 6 4 2 Rear Panel 7 5 CONNECTIONS 5 1 Speaker Connections 5 2 Input Connections 6 APPLICATIONS 7 BLOCK DIAGRAM 10 8 SPECIFICATIONS 11 9 DIMENSIONAL DIAGRAM 12 8 8 9 ...

Page 3: ...g so may result 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 electric shock Be sure to ground to the safety ground earth terminal to avoid electric shock Never ground to a gas pipe as a catastrophic disaster may result Avoid installing or mounting the ...

Page 4: ...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 result in personal injury and or property damage In addition the object itself may fall off and cause injury and or damage Make sure that the volume control is set to minimum position before power is switched on Loud noise produced at high volume when power is switched on can impair heari...

Page 5: ... 120W 100V 70V line transformer isolated speaker outputs low impedance 4 ohms speaker outputs Four independent amps in a singale chassis Four line level inputs Commercial grade torroidal transformers produce high performance audio on a wide range off frequencies Intelligent limiter can reduce excess signal Reliable protection against overload short circuit and power fluctuation for optimum reliabi...

Page 6: ...t to protection the amplifier from damage This indicator will be extinguished when amplifier is under normal working conditions 6 POWER Power indicator LED 7 TEMP The protection indicator will be light on when the inside temperature is over 90 the output will be cut to protect the amplifier from damage It will resume to work after cooling down 4 NOMENCLATURE AND FUNCTIONS 4 1 FRONT PANEL 1 2 5 4 3...

Page 7: ...ork properly you must wrap the hole can not have any object covered to avoid overheating protection 4 2 REAR PANEL 7 8 9 10 11 1 2 3 1 2 3 1 2 3 1 2 3 CH 1 OUT CH 2 OUT CH 3 OUT CH 4 OUT CH 1 IN CH 2 IN CH 3 IN CH 4 IN COM 100V 4 70V COM 100V 4 70V COM 100V 4 70V COM 100V 4 70V RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN XLR BAL INPUT 1 GND 2 HOT 3 COLD 240V 50H...

Page 8: ...5 CONNECTIONS 100V LINE 70V 100V 70V LINE 5 1 SPEAKER CONNECTIONS 4 COM 4 70V 4 8 70V 100V COM 4 70V 100V COM 4 5 2 XLR CONNECTIONS 4120A 41 4120A 83 ...

Page 9: ...R L L CD Player AUDIO OUT R R L L CD Player AUDIO OUT R R L L CD Player CH1 IN Ch2 IN Ch3 IN Ch4 IN Multi channel Mixer Pre amplifier 4 Channel power Amplifier 1 2 3 1 2 3 1 2 3 1 2 3 CH 1 OUT CH 2 OUT CH 3 OUT CH 4 OUT CH 1 IN CH 2 IN CH 3 IN CH 4 IN COM 100V 4 70V COM 100V 4 70V COM 100V 4 70V COM 100V 4 70V RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN XLR BAL ...

Page 10: ...S TO TO EB EB PA PA 100V 70V 4 COM CH1 LINK CH1 LINK CH1 INPUTS CH1 INPUTS TO TO POWER POWER Z Z 240V 50Hz PT EB EB PA PA CH1 LINK CH1 LINK CH1 INPUTS CH1 INPUTS TO TO EB EB PA PA CH2 LINK CH2 LINK CH2 INPUTS CH2 INPUTS TO TO 100V 70V 4 COM 100V 70V 4 COM 100V 70V 4 COM ...

Page 11: ...D COOL METHOD INDICATORS 4 16 70V 100V 775mV 0dB 50Hz 16KHz d istortion 1 5dB 15V microsecond 1 Copulsive wind cool form Power Signal Protection Peaking Power on Overload and Protection POWER REQUIREMENTS 240V 50Hz 4120A 4X120W DIMENSION mm NET WEIGHT 484X448X88 POWER CONSUMPTION 22Kg 720W OUTPUTS NOISE 3mV IMPEDANCE 200 1 ...

Page 12: ...ER 1 2 3 1 2 3 1 2 3 1 2 3 CH 1 OUT CH 2 OUT CH 3 OUT CH 4 OUT CH 1 IN CH 2 IN CH 3 IN CH 4 IN COM 100V 4 70V COM 100V 4 70V COM 100V 4 70V COM 100V 4 70V RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN XLR BAL INPUT 1 GND 2 HOT 3 COLD 240V 50Hz 720W T8AL 250V N17795 POWER TEMP ON OFF 5 0 1 2 3 4 6 7 8 9 10 CH 1 5 0 1 2 3 4 6 7 8 9 10 CH 2 5 0 1 2 3 4 6 7 8 9 10 CH ...

Page 13: ...PUBLIC ADDRESS SYSTEM VersionV0 1 ...

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