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1.0 欢迎 

JBL Commercial

®

 CSA-2120功率放大器(以下简称“功放”)是为专业音响系统设计和制造

的一款安装设备。此功放采用双通道模拟信号输入,实现信号放大功能,搭配适合各国不同
标准电源输入的开关电源。CSA-2120功率放大器为预定要连续工作的设备。

此功放包含一套安装支架组件。您可以使用此安装支架组件将功放安装到机柜或墙壁。您可
以购买与之搭配使用的音频变压器模块CST-2120,将其接入功放和扬声器系统之间,以达到
功放输出电路与扬声器输入电路的阻抗匹配。

1.1 特点

• 

高功率输出,紧凑机身,轻便

•  

以最低的失真度实现乐器或人声音色的精准输出

•  

过热自动保护功能

•  

欠压自动保护

•  

自动待机模式更节约能源

•  

可插拔

Euroblock

类型输入输出端子

•  

适合各国不同标准电源输入的开关电源

1.2 如何使用本手册

本手册为您安全而正确地安装和使用功放提供必要的信息。但是,它不能涵盖安装、设置或
使用该设备时可能出现的所有情况。如果您需了解更多信息,请向JBL Professional的客户
服务部门、或您系统的安装人员或经销商咨询。

我们强烈建议您仔细阅读本手册中的所有说明、警告和注意事项。

Summary of Contents for CSA-2120

Page 1: ...CSA 2120 Public Address System Amplifier User Guide CS Commercial Solution Series...

Page 2: ......

Page 3: ...CSA 2120 Public Address System Amplifier User Guide...

Page 4: ...n operation or maintenance The information provided in this manual was deemed accurate as of the publication date However updates to this information may have occured Trademark Notice JBL is registere...

Page 5: ...re and Connectors 9 2 5 Choosing Output Wire and Connectors 10 2 6 Wiring Your Audio System 11 2 7 Connect to AC Mains 12 2 8 Protect Your Speakers 12 2 9 Startup Procedure 12 3 0 Operation 13 3 1 Pre...

Page 6: ...Connect this equipment only to the power source indicated on the equipment rear panel To reduce the risk of fire or electric shock refer servicing to qualified service personnel or equivalent If conne...

Page 7: ...waste There is a separate collection system for used electronic products in accordance with legislation that requires proper treatment recovery and recycling Private household in the 25 member states...

Page 8: ...60065 2001 Audio video and similar electronic apparatus Safety requirements GB8898 2001 Audio video and similar electronic apparatus Safety requirements EMC GB13837 2003 Sound and television broadcast...

Page 9: ...can be connected between the amplifier and loudspeaker systems to obtain the impedance matching 1 1 Features High power output compact size light weight Accurate uncoloured sound with very low distor...

Page 10: ...ry pack WARNING Before you start to set up your amplifier make sure you read and observe the Important Safety Instructions found at the beginning of this manual 2 2 Installing Your Amplifier CAUTION B...

Page 11: ...e same direction 2 Connect them with the flat bracket 3 Attach an angle bracket to each side of the amplifier assembly with screws 4 Install the amplifier assembly into the cabinet For details of inst...

Page 12: ...other side of the amplifier with screws 4 Install the amplifier assembly into the cabinet For details of installation in the chassis of the cabinet refer to the user guide of your cabinet Solution C W...

Page 13: ...ck connectors see Figure 2 4 Unbalanced lines may be used but may result in hum or RF noise very long cable runs You can also use RCA connectors to connect audio devices for example CD DVD player Howe...

Page 14: ...sible To prevent the possibility of short circuits the wires should be stripped back no greater than 6 mm 1 4 inch see Figure 2 5 2 Suggested below are guidelines to select the appropriate size of wir...

Page 15: ...Channel 1 positive terminal of amp repeat for negative Repeat Channel 2 wiring as for Channel 1 The minimum impedance one of the amplifier channels can drive is 4 Ohms Therefore you can connect up to...

Page 16: ...s wise to avoid clipping the amplifier signal Not only does clipping sound bad it can damage high frequency drivers The built in clip limiter prevents clipping Also avoid sending strong subsonic signa...

Page 17: ...ier with the red Clip LEDs constantly flashing 7 Do not overdrive the mixer which will cause clipped signal to be sent to the amplifier Such signals will be reproduced with extreme accuracy and loudsp...

Page 18: ...3 3 Rear Panel Controls and Connectors D AC Line Connector E Output Connectors 4 pin Euroblock connectors for dual loudspeakers F Amplifier Parameter Switchers Slide DOWN to turn on these functions Sl...

Page 19: ...allows amplifiers without direct 70V or 100V output capability to drive distributed speaker systems designed to operate at those voltages Features Providing two channels of impedance matching for Con...

Page 20: ...inch 48 3 cm equipment rack EIA RS 310B You can have the following options according to your application Rack mounting the transformer module with a CSA 2120 amplifier Rack mounting single unit Wall m...

Page 21: ...from 20 Hz to 1 kHz 50 dB below rated at 20 kHz Input Impedance nominal Balanced 20 k Ohms Unbalanced 10 k Ohms AC Line Voltage and Frequency Configurations Available 100 240 V 50 60 Hz Maximum Input...

Page 22: ...er Service your system installer or retailer On The World Wide Web www jblcommercialproducts com Professional Contacts Outside the USA Contact the JBL Professional Distributor in your area A complete...

Page 23: ...CSA 2120...

Page 24: ...JBL JBL International 2012 JBL Incorporated 8400 Balboa Blvd Northridge CA 91329 USA All Rights Reserved...

Page 25: ...1 2 JBL 4 1 0 5 1 1 5 1 2 5 2 0 6 2 1 6 2 2 6 2 3 9 2 4 9 2 5 10 2 6 11 2 7 12 2 8 12 2 9 12 3 0 13 3 1 13 3 2 14 3 3 14 A 15 B 17 C 17 D 18 E RoHS 19...

Page 26: ...2 E N L L N E 3 240V CSA UL...

Page 27: ...3 25...

Page 28: ...4 Crown Audio Inc 1718 W Mishawaka Road Elkhart IN 46517 USA CSA 2120 IEC60065 2001 GB8898 2001 EMC GB13837 2003 GB17625 1 2003 16A...

Page 29: ...5 1 0 JBL Commercial CSA 2120 CSA 2120 CST 2120 1 1 Euroblock 1 2 JBL Professional...

Page 30: ...6 2 0 2 1 JBL Professional 2 2 2 2 3 2 2 4 2 2 5 2 2 1...

Page 31: ...7 A CST 2120 CST 2120 2 2 3 1 2 3 4 2 2 1 2 2 2 2 2 3 CST 2120...

Page 32: ...8 B 2 2 4 1 2 3 4 C 2 2 5 1 2 2 2 5 2 2 4...

Page 33: ...9 2 3 2 4 JBL Professional 22 24 Euroblock 2 4 RCA CD DVD RCA Euroblock EUROBLOCK CONNECTORS MONO SUM UP R L STEREO R L RCA CONNECTORS G G G G 2 4 RCA Euroblock...

Page 34: ...10 2 5 CST 2120 CST 2120 70 100 2 5 1 6 25 7 6 16AWG 26 40 7 9 12 2 14AWG TO Speaker TO Speaker 2 5 1 CST 2120 2 5 2...

Page 35: ...11 2 6 2 6 1 1 1 1 2 4 16 8 4 70Hz STBY 70Hz 50W 100 240V 50 60Hz 70Hz STBY 70Hz 50W 100 240V 50 60Hz 2 6...

Page 36: ...12 2 7 IEC IEC 10 15 2 8 70HZ 70V 100V CST 2120 2 9 1 2 3 4 5...

Page 37: ...13 3 0 3 1 1 2 3 4 5 6 LED 7 8 9 10 JBL Professional...

Page 38: ...14 3 2 A B LED 40dB LED C 3 3 D E 4 Euroblock F 1 CH1 70 Hz 2 CH2 70 Hz 3 CH1 4 CH2 5 G RCA H Euroblock 3 Euroblock A C B 70Hz STBY 70Hz 50W 100 240V 50 60Hz D E F G H...

Page 39: ...15 A JBL Commercial CST 2120 CSA 2120 4 8 CSA 2120 70 100 CSA 2120 70 100 CSA 2120 Euroblock CST 2120...

Page 40: ...16 1 19 EIA RS 310B CSA 2120 2 4 3 CST 2120...

Page 41: ...4 Ohms 8 Ohms 1 W 1 1 dB 4 8 Ohms 8 Ohms 1 4 Vrms 1 kHz 8 Ohms A 100 dB 8 Ohms 20 1 kHz 70 dB 20 kHz 50 dB 20 k Ohms 10 k Ohms 100 240 50 Hz 60 Hz 20 dBu 1 1 60dBu 95 0 C 40 C x x 8 2 x 1 7 x 7 209 mm...

Page 42: ...1 15 B 6 23 28 852 2942 2100 852 2424 0788 http www acehk com 9 100121 86 10 8536 0422 86 10 8536 0149 info acebj com 716 200082 86 21 5521 1510 86 21 6589 7112 sacek online sh cn 1 4 5 510100 86 20 8...

Page 43: ...19 E RoHS Pb Hg Cd Cr 6 PBB PBDE SJ T11363 2006 X SJ T11363 2006...

Page 44: ...Part Number 142866 1 Issue 02 12 JBL Professional 8500 Balboa Blvd Northridge CA 91329 USA 818 894 8850...

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