Kb-da2250 high efficiency power amplifier user manual m_2000060418_en_1.0 easy installation easy info reading easy access & control easy maintenance.
Copyright © 2011 honeywell international inc. All rights reserved. No part of this document may be reproduced in any form without the written permission of the copyright owner. Disclaimer the contents of this document are subject to revision without notice due to continued progress in methodology, d...
This sign means to alert the user that there are non- insulated materials within the enclosure, which pose threats of electrocution if mishandled. This sign means to alert the user of important operation and maintenance instructions. Caution: to avoid electrocution, do not use polarized plug with an...
I suggestions for safety for the installation, operation, and use of this product, please carefully read the following precautions. Electrical safety the product installation and use must comply with local electrical safety regulations. Honeywell assumes no liability for user errors or misuse that r...
Ii note that the equipment must be properly grounded. Otherwise, the equipment could fail to work properly or be damaged. When the power is turned on, high voltage runs through the power lines and the appliance. Do not open the appliance to prevent an electric shock. When installing the appliance, m...
Iii contents suggestions for safety ................................................................................................ I electrical safety .............................................................................................................. I transportation safety ...............
Iv grounding cable ........................................................................................................... 8 audio input cable .......................................................................................................... 9 output cable ..................................
1 preface thank you for purchasing the kb-da2250 high efficiency power amplifier. Please read this manual carefully before using the kb-da2250 high efficiency power amplifier to ensure proper use of the system. Introduction this manual describes the kb-da2250 high efficiency power amplifier features...
2 how to use this manual pictures in this manual are for reference only. Please see the actual items depicted for details. This product is subject to change when upgraded and will be done so without notice. Users should read this manual carefully before using the kb-da2250 high efficiency power ampl...
3 1 introduction this chapter introduces the kb-da2250 high efficiency power amplifier features and functions. The kb- da2250 high efficiency power amplifier is referred to as “da” throughout the remainder of this manual. The da amplifies audio signal power it receives from audio input devices to ma...
4 overheating protection when the da internal temperature reaches 45°c, the cooling fan turns on. At temperatures below 40°c, the fan turns off. If the temperature surpasses 75°c, the power supply is disconnected and a fault is signaled to prevent overheating. When the temperature returns to safe le...
5 table 1 front panel no name description 1 power power indicator light. The light is green when the da is working normally. 2 power switch turns the power on or off 3 ch1 protect da protection indicator light. When the da overheats, experiences over-current, over-voltage, or under-voltage, the da a...
6 no name description 3 audio input and control ports fault a if a da fault occurs, it is protected, or it is self-tested, ports a and b experience a short circuit. B ch1 + balanced positive input - balanced negative input g grounding (connect to the “-“ port if the input is an unbalanced input conn...
7 3 installation this chapter describes how to install the da hardware in step-by-step instructions. Preparing for installation make sure the following are prepared prior to da installation: tools materials cables and wires package inspection tools for the installation of the da, prepare the followi...
8 audio output cable the cable should be unshielded. Notice: the use of a high-grade, high transmission capacity speaker cable is strongly recommended. The longer the cable, the thicker it should be to retain transmitted audio quality. Select the appropriate audio cable according to the installation...
9 do not connect the grounding output cable with the grounding input cable as this action causes a short circuit to occur. Audio input cable user can select the input method according to the equipment storage environment. Use rj45 port: the see table 3 for the pin descriptions. Note: do not use the ...
10 2. Strip 7 mm of the input cable and connect it to the input terminal, and then tighten the screws to secure the wires, as shown in figure 2. See table 2 for port descriptions. Figure 2 connecting the input cables to the input terminal 3. Connect the input terminals to their corresponding input p...
11 figure 4 output connection terminal 3. Connect the prepared output terminal to the da output port. 4. Attach the terminal protection cover , and tighten the screws as show in figure 5 figure 5 attaching the terminal protection cover completing installation and commissioning once the da hardware a...
12 notice: if either the ch1 or ch2 protect indicator light is yellow, there is no output signal. Carefully check the cable connections. More information can be found in the “connecting the cables” section. Precautions when using the da, pay particular attention to the following issues. Notice: make...
13 4 technical specifications parameter value nominal output power 2x250w main power supply voltage ~ 220v-240v 50/60hz power consumption main power supply protection t10al 250v speaker output voltage 100v / 70v frequency response 70～18khz （+1db ~ -3db） input sensitivity 1.414v rms input impedance 2...
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.
Life safety a/v (guangzhou) 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 honeywell international, inc..
