Empertech KB-DA2250, User Manual

Page 1: ...KB DA2250 High Efficiency Power Amplifier User Manual M_2000060418_EN_1 0 Easy Installation Easy Info Reading Easy Access Control Easy Maintenance...

Page 2: ...contents of this document are subject to revision without notice due to continued progress in methodology design and manufacturing Honeywell shall have no liability for any error or damage of any kin...

Page 3: ...dled This sign means to alert the user of important operation and maintenance instructions Caution To avoid electrocution do not use polarized plug with an extension cord receptacle or other outlet un...

Page 4: ......

Page 5: ...gh too low or fluctuates too drastically it is recommended to install a stable AC power source The appliance is not waterproof Do not expose the appliance to rain or moisture and avoid splashing it wi...

Page 6: ...lightning safety logos to prevent an electric shock When the power is turned on do not physically alter the appliance to avoid damaging the equipment Honeywell assumes no liability for appliance malfu...

Page 7: ...Introduction 1 Audience 1 How to Use This Manual 2 1 Introduction 3 Features 3 Functions 3 Power Supply Protection 3 Overheating Protection 4 Overload and Short Circuit Protection 4 Fault Detection a...

Page 8: ...iv Grounding Cable 8 Audio Input Cable 9 Output Cable 10 Completing Installation and Commissioning 11 Precautions 12 4 Technical Specifications 13 5 Packing List 14...

Page 9: ...ures functions and applications Chapter 2 Package Contents Package content details of the KB DA2250 High Efficiency Power Amplifier Chapter 3 User Interface KB DA2250 High Efficiency Power Amplifier f...

Page 10: ...using the KB DA2250 High Efficiency Power Amplifier and pay close attention to all warnings and instructions Keep this manual for later use and reference This manual has been reviewed to ensure its a...

Page 11: ...CLASS D power amplifier with high efficiency and energy conservation Contains two independent channels The rated output power of each channel is 250W Each channel has 100V or 70V of output Supports b...

Page 12: ...ad and Short Circuit Protection When the DA power supply detects a circuit overload or if a short circuit occurs the DA automatically disconnects the power The DA remains protected and signals a fault...

Page 13: ...y If the light is off there is no input signal 6 VOLUME To increasing or reducing the volume level 7 CH2 PROTECT DA protection indicator light When the DA overheats experiences over current over volta...

Page 14: ...o output 70V 70V high impedance audio output COM Common 5 Cooling fan 6 Main power supply power port Supplies electricity to the main power supply 7 Fuse T10AL250V 8 Grounding terminal Connects the gr...

Page 15: ...installation of the DA prepare the following tools Anti static wrist strap Anti static gloves Cutting pliers Wire cutters Electrical cable crimping pliers Materials For the installation of the DA pre...

Page 16: ...t are intact see Chapter 2 If an item is missing please contact the appropriate vendor Connecting the Cables These cables include the grounding cable main and backup power cables audio input cable and...

Page 17: ...Use Terminal blocks Notice If the audio input cable is supplied by the installation personnel the cable must be shielded DA has a balanced input connection A balanced connection is recommended to red...

Page 18: ...igure 2 Connecting the input cables to the input terminal 3 Connect the input terminals to their corresponding input ports as shown in Figu Figure 3 Connecting the input terminals Output Cable 1 Pull...

Page 19: ...ompleting Installation and Commissioning Once the DA hardware and cables are installed complete the following commissioning procedures 1 Set the audio volume to a minimum level 2 Press the DA front pa...

Page 20: ...Cables section for more information Pay particular attention to which audio input source is selected and configure the output signal level appropriately as this can save electricity Do not connect the...

Page 21: ...20K ohm Signal to noise ratio 90dB Non linear distortion 0 1 at 1 3 rated power 1kHz Indicator lights 1 power indicator light 2 signal lights 2 peak clipping lights 2 equipment protection lights Numb...

Page 22: ...14 5 Packing List Name Quantities KB DA2250 High Efficiency Power Amplifier 1 Audio input connector 1 Audio output connector 1 Safety shield 1 Screws 2 AC power cable 1 Product manual 1...

Page 23: ...Co Ltd No 257 Junye Road Guangzhou GETDD East 510530 China Phone 86 20 2839 9600 Fax 86 20 2839 8706 Website www empertech com Manual_KB D Series_EN1 0 Sep 2011 Subject to change without notice 2011 H...