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This manual does not include relevant equipment design, production and all detail changes,
as well do not cover the installation, operation or all the situations that may arise during the maintenance
The information provided in this manual is accurate when be sent out from the factor y,
but now this manual may has been updated because of the product changes.
If you want to get the latest version or the English version of this manual,
please contact 0086-0757-87322796 or visit our website www.appaudio.cn
Owner's Manual
P rofes sional Dig ital Am plifier
M-4150
M-4650
M-4102
M-4122
M-4152
M-4202
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Table of Contents
Related Manuals for APP EM Series
Summary of Contents for APP EM Series
- Page 1 Owner's Manual P rofes sional Dig ital Am plifier M-4150 M-4650 M-4102 M-4122 M-4152 M-4202 This manual does not include relevant equipment design, production and all detail changes, as well do not cover the installation, operation or all the situations that may arise during the maintenance The information provided in this manual is accurate when be sent out from the factor y, but now this manual may has been updated because of the product changes.
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Page 2: Important Safety Instructions
ΣM SERIES PROFESSIONAL POWER AMPLIFIER IMPORTANT SAFETY INSTRUCTIONS Only can plug the unit to the AC outlet which is instruct in the user manual or the specifications shown on the adapter. Other wise it may cause fire or electric shock . Do not allow water to enter the unit or to make it damp. - Page 3 ΣM SERIES PROFESSIONAL POWER AMPLIFIER IMPORTANT SAFETY INSTRUCTIONS Do not open the unit's casing. Other wise it may cause electric shock . If you think the unit needs to be checked, maintained or repaired, please contact the dealer. Do not modify this unit. Other wise it may cause fire or electric shock If there is lightning, please turn off the unit as soon as possible, and unplug the power cable from the power outlet.
- Page 4 ΣM SERIES PROFESSIONAL POWER AMPLIFIER 1.WELCOME Thank you for your purchase and use! The cabinet of the ΣM Series is designed with the international 1U standard, as well as small size and powerful. In order to ensure the user to use the product stably and effectively, please carefully read this manual and follow the guidance manual to install and operate this unit carefully.
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Page 5: Installation
ΣM SERIES PROFESSIONAL POWER AMPLIFIER 2.INSTALLATION Warning: Before you beginning to install the unit, please make sure to carefully read and follow the "important safety instructions" at the beginning of the manual. Open the packaging and check whether the unit is damage or not during the transportation. If the unit is found damaged, please immediately notify the transportation company. - Page 6 ΣM SERIES PROFESSIONAL POWER AMPLIFIER 2.2.Cooling Description This digital amplifier series is designed according to international 1 U size standards. The cooling method is: pumping the outside air into inside the unit through the vents of the front panel, and then bring out the heat through the aluminum radiator in the unit and then out from the rear panel vents.
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Page 7: Interface Illustration
ΣM SERIES PROFESSIONAL POWER AMPLIFIER 2.3.2.Mono mode connection illustration -toPIN1- +toPIN1+ 2.3.3.Bridge mode connection illustration -toPIN2+ +toPIN1+ 2.3.4.Interface illustration XLR (male) plug typical pin assignment Gain/Mode Output connection Amplifier output 2.HOT 1+ 1- 2+ 2- 3.COLD 1.SHIELD Not connect... -
Page 8: Operation
ΣM SERIES PROFESSIONAL POWER AMPLIFIER 3.OPERATION Warning: Before turning on the unit, please make sure the unit is power off, the power switch is in the "OFF / off" position, and all the volume knob has been set to the lowest position. 3.1Speaker protection Clipping not only make the sound worse, but also will damage the high frequency drive unit. -
Page 9: Operation Front Panel
ΣM SERIES PROFESSIONAL POWER AMPLIFIER 3. Do not short connect the ground wire and the input signal ground wire of the cable. This will form a ground loop and cause the oscillations. 4. Tampering or modifying the circuit without authorization will be dangerous and will make all ser vices provided by agents lose efficacy. -
Page 10: Operation Rear Panel
ΣM SERIES PROFESSIONAL POWER AMPLIFIER 3.4.Operation Rear Panel Description Item Illustration Functions Power cord: Standard power cord. Power outlet is the 16A polarized plug Power with ground which meets the GB 1002-1996 standard. interface Signal Input female XLR: The input plug uses the balanced female XLR plug. input When the gain switch is on 1Vrms, the input sensitivity of the amplifier is 1Vrms. -
Page 11: Core Parameter
ΣM SERIES PROFESSIONAL POWER AMPLIFIER 4.Core parameter 1Vrms,32dB,26dB ≤ ≤ ≤ ±2dB parallel20kΩ ,unparalle10kΩ 483x390x44 1Vrms,32dB,26dB ≤ ≤ ≤ ±2dB parallel20kΩ ,unparalle10kΩ 483x390x44... -
Page 12: Maintenance
ΣM SERIES PROFESSIONAL POWER AMPLIFIER MAINTENANCE This amplifier is a high-quality product, and the internal circuit is complex, please contact with our technical support to verify the maintenance needs first if it is fault. The circuit of this unit is very complex, only can be maintained by the professional technician which is trained fully. -
Page 13: Warranty Card
ΣM SERIES PROFESSIONAL POWER AMPLIFIER WARRANTY CARD The various series power amplifiers of our company are good products, each amplifier's deliver y all will be through the stringent quality checks. Our company assures you that the products are in the good performance and devices are complete, and provide you free warranty ser vice according to the this regulation. -
Page 14: Service Information Card
ΣM SERIES PROFESSIONAL POWER AMPLIFIER SERVICE INFORMATION CARD Customer information Name: Phone No.: Date : Contact address: Serial number : Maintenance records Mainte Mainte Processing Inspection -nance Date Fault -nance Maintainer condition date place order No. - Page 15 M SERIES PROFESSIONAL POWER AMPLIFIER Note...
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