JBL CSMA2120 - Manuals

JBL CSMA2120 – Manual in PDF format online.

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Manual

Manual JBL CSMA2120

Summary

Page 2 - Contents

2 This manual does not include all of the details of design, production, or variation of the equipment. Nor does it cover every possible situation which may arise during installation, operation or maintenance.The information provided in this manual was deemed accurate as of the publication date. How...

Page 3 - IMPORTANT SAFETY INFORMATION

3 IMPORTANT SAFETY INFORMATION WARNING FOR YOUR PROTECTION READ THE FOLLOWING: KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS THE APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASHING LIQUID AND NO OBJECT FILLED WITH LIQUID, SUCH AS VASES, SHALL BE PLACED ON THE APPARATUS CLEAN ...

Page 5 - EC - DECLARATION OF CONFORMITY

5 EC - DECLARATION OF CONFORMITY Brand: JBL Equipment Type: Commercial Audio Mixer-Amplifiers Model names: CSMA 180, CSMA 1120, CSMA 240, CSMA 280, CSMA 2120 We, Harman International, declare under our sole responsibility that the product, to which this declaration relates, is in conformity with the...

Page 8 - Front Panel Controls and Indicators; Figure 1.2 Front View

8 1.2 Front Panel Controls and Indicators A. Input Level Controls B. Input signal presence is indicated by green illumination of the ring around the input level controls C. Output Volume Controls D. Illuminated ring around the output volume control will light green with signal presence while red ind...

Page 9 - Rear Panel Controls and Connectors - Four Channel

9 1.3 Rear Panel Controls and Connectors - Four Channel A. AC Power Inlet – Detachable IEC B. Amplifier Output Connector C. Auxiliary Line Level Output Connector D. Hi-Z Switch – Enables the 70V and 100V outputs and activates the 70Hz high pass filter E. Phantom Power Switch – Applies 27V phantom po...

Page 10 - Rear Panel Controls and Connectors - Eight Channel; A. AC Power Inlet – Detachable IEC

10 1.4 Rear Panel Controls and Connectors - Eight Channel Figure 1.4 Rear View - CSMA 2120 5025056 100-240 V~ 50/60Hz 60W CS M A 2 12 0 CSR-V 2 1 3 4 5 6 7 8 9 10 11 12 MIC MONO SUM MONO SUM MONO SUM AMP 1 AMP 2 AMP 1 AUX 1 OUT CH4 INPUT INPUT ROUTING AUX 2 OUT AMP 2 LINE 100V 70.7V COM CH8 INPUT CH...

Page 12 - Unpacking Your Amplifier; WARNING; : Before you start to set up your amplifier, make sure you read and; Installing Your Amplifier; CAUTION

12 2.0 Setup 2.1 Unpacking Your Amplifier Please unpack and inspect your amplifier for any damage that may have occurred during transit. If damage is found, notify the transportation company immediately. Only you can initiate a claim for shipping damage. We will be happy to help as needed. Save the ...

Page 14 - Solution A: Rack Mounting Two Half Rack Mixer Amplifiers; Connect them with the flat bracket using the screws provided.

14 Solution A: Rack Mounting Two Half Rack Mixer Amplifiers To install two half-rack width units in your cabinet system, refer to Figure 2.2.3 and follow the steps below: 1. Align two modules side by side and upside down with the front panel towards the same direction. 2. Connect them with the flat ...

Page 15 - Figure 2.2.4 Rack Mounting a Half Rack Mixer Amplifier; Solution B: Rack Mounting Single Half Rack Mixer Amplifier; shown in the diagram, with the screws provided.

15 Figure 2.2.4 Rack Mounting a Half Rack Mixer Amplifier Solution B: Rack Mounting Single Half Rack Mixer Amplifier To install a single half-rack unit, refer to Figure 2.2.4 and follow the steps below: 1. Determine which side of the rack opening will be used for the amplifier and attach the long an...

Page 16 - Solution C: Rack Mounting Full Rack Mixer Amplifier; attach using rack mount screws.; Figure 2.2.5 Rack Mounting Full Rack Mixer Amplifier

16 Solution C: Rack Mounting Full Rack Mixer Amplifier To install a full-rack width unit, refer to Figure 2.2.5 and follow the steps below: 1. Attach the front angle brackets to each side of the front of the amplifier using the screws provided. 2. Attach the rear flat brackets to each side of the re...

Page 17 - NOTE; : Custom wiring should only be performed by qualified personnel.

17 2.3 Ensuring Proper Cooling When using an equipment rack, keep a minimum space of 4 inches (10cm) from the top surface of the unit. Close any open spaces in the rack with blank panels. DO NOT block any air vents. The side walls of the rack should be a minimum of 2 inches (5 cm) from the amplifier...

Page 18 - Output Wiring and Connectors; Distance; Figure 2.5 Output Wiring

18 2.5 Output Wiring and Connectors To drive distributed speaker systems designed to operate at 70V or 100V, connect to the corresponding output terminals. JBL recommends using pre-built or professionally wired, high-quality, two-conductor, heavy gauge speaker wire. Speakers wires should be twisted ...

Page 19 - Wiring Your Audio System; Typical input and output wirings are shown in Figure 2.6.; Figure 2.6 Wiring Audio System

19 2.6 Wiring Your Audio System Typical input and output wirings are shown in Figure 2.6. INPUTS: Connect input wiring for both channels using either the RCA or the Euroblock input for each channel. OUTPUTS: You may use either low impedance or high impedance speakers. Always be sure to maintain the ...

Page 20 - Use the following procedure when first turning on your amplifier:

20 2.7 Connecting to AC Mains Connect your amplifier to the AC mains power source (power outlet) with the supplied AC power cord. First, connect the IEC end of the cord set to the IEC connector on the amplifier; then, plug the other end of the cord set to the AC mains. When properly connected to a l...

Page 22 - INPUT ROUTING

22 3.2 Input Routing The two channel models, CSMA240, CSMA280 and CSMA2120 include a default routing of input channels 1-4 to amplifier 1 and input channels 5-8 to amplifier 2. The user may also take any input and have it routed to both outputs by selecting the appropriate switch. For example, if yo...

Page 23 - Remote Volume Control

23 3.6 Priority Muting With CSMA180 and CSMA1120 Input Channel 1 may be used as a priority channel, muting all other channels when pins 4 and 5 are shorted using a switch closure. If the amplifier has entered sleep mode due to inactivity, invoking priority will also bring the unit out of sleep and r...

Page 24 - the power ring is not illuminated.

24 4.0 Troubleshooting CONDITION: No power to the mixer-amplifier so that the power ring is not illuminated. POSSIBLE REASON: The mixer-amplifier is not plugged into the power receptacle CONDITION: No sound or low sound. POSSIBLE REASON: The input signal is not present or at a very low level. POSSIB...

Page 25 - Appendix A: Target Performance Specifications

25 Appendix A: Target Performance Specifications Performance CSMA 180 CSMA 1120 CSMA 240 CSMA 280 CSMA 2120 Max Output Power per Channel into 4 Ω or 8 Ω ; 1kHz, ≤ 0.5% THD 80W 120W 40W 80W 120W Insertion Loss (70V & 100V outputs) 1 dB maximum Continuous Power per Channel 10W 15W 5W 10W 15W Numbe...

Page 26 - Appendix B : Block Diagram

26 Appendix B : Block Diagram Figure C CSMA 2120/280/240 Block Diagram ∑ CH2 TO AMP1 CH8 TO AMP1 CH1 TO AMP1 CH1 TO AMP2 SW1 SW2 CH2 TO AMP1 CH2 TO AMP2 SW7 SW8 CH5 TO AMP2 CH5 TO AMP1 CH3 & CH4 Similar to CH2 CH7 & CH8 Similar to CH6 Input Gain Line Mic Input Gain LineMic Input Gain LineMic...

Page 28 - Appendix C: Contact Information; On The World Wide Web:

28 Appendix C: Contact Information For additional information, please consult JBL Professional Customer 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 co...