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CSMA Commercial Series
Commercial Series
Mixer-Amplifier
Operation Manual
CSMA Mixer-Amplifiers
CSMA 180
CSMA 1120
CSMA 240
CSMA 280
CSMA 2120

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Summary of Contents for Harman JBL CSMA 180

  • Page 1 All manuals and user guides at all-guides.com CSMA Commercial Series CSMA 180 CSMA 1120 CSMA 240 CSMA 280 CSMA 2120 Commercial Series Mixer-Amplifier Operation Manual CSMA Mixer-Amplifiers...
  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Contents Important Safety Instructions ................3 JBL DECLARATION OF CONFORMITY ............5 1.0 Welcome ....................7 1.1 Features ....................7 1.2 Front Control Panels and Indicators ............8 1.3 Rear Panel Controls and Connectors - Four Channel......9 1.4 Rear Panel Controls and Connectors - Eight Channel......10 2.0 Setup ......................12 2.1 Unpacking Your Amplifier ..............12...
  • Page 3: Important Safety Instructions

    All manuals and user guides at all-guides.com 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 The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products.
  • Page 4 All manuals and user guides at all-guides.com IMPORTANT SAFETY INFORMATION U.K. MAINS PLUG WARNING If you want to dispose this product, do not mix it with gen- eral household waste. There is a separate collection system for used electronic products in accordance with legislation A molded mains plug that has been cut off from the cord is that requires proper treatment, recovery and recycling.
  • Page 5: Jbl Declaration Of Conformity

    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 following standards. Report No.
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  • Page 7: Welcome

    All manuals and user guides at all-guides.com 1.0 Welcome The JBL CSMA series of Mixer-Amplifiers are a professional tool designed and built ® for Installed sound applications. There are both single channel and two channel models with four or eight mixer channels, respectively. They provide mixer capability with independent level control for each input channel and amplification with a choice of low impedance, 70V or 100V outputs.
  • Page 8: Front Control Panels And Indicators

    All manuals and user guides at all-guides.com 1.2 Front Panel Controls and Indicators Figure 1.2 Front View 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.
  • Page 9: Rear Panel Controls And Connectors - Four Channel

    All manuals and user guides at all-guides.com 1.3 Rear Panel Controls and Connectors - Four Channel Figure 1.3 Rear View - CSMA 1120 100-240 V~ 50/60Hz AMP OUT CLASS 2 MONO SUM LINE LINE Hi-Z PHANTOM WIRING PRIORITY CSR-V ONLY 100V 70.7V COM LINE LINE...
  • Page 10: Rear Panel Controls And Connectors - Eight Channel

    All manuals and user guides at all-guides.com 1.4 Rear Panel Controls and Connectors - Eight Channel Figure 1.4 Rear View - CSMA 2120 100-240 V~ 50/60Hz OUTPUTS CLASS 2 LINE WIRING INPUT ROUTING MONO 1 - CH1 TO AMP2 2 - CH2 TO AMP2 3 - CH3 TO AMP2 4 - CH4 TO AMP2 5 - AMP1 Hi-Z...
  • Page 11 All manuals and user guides at all-guides.com LINE LINE LINE LINE MONO SUM MONO SUM MONO SUM PRIORITY CH 1 VOX LINE LINE LINE LINE CH 5 VOX PRIORITY MONO SUM MONO SUM MONO SUM Mic/Line Input Connector – 3 pin Euro-block connector for a balanced input source.
  • Page 12: Setup

    All manuals and user guides at all-guides.com 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.
  • Page 13 All manuals and user guides at all-guides.com Figure 2.2.1 Dimensions CSMA 180, CSMA 1120 218.44 mm [8.6 in] 303.4 mm [11.9 in] CSMA 240, CSMA 280, CSMA 2120 436.88 mm [17.2 in] 303.4 mm [11.9 in] Figure 2.2.2 Mounting Kit long angle bracket (CSMA180/CSMA1120 only) flat bracket...
  • Page 14 All manuals and user guides at all-guides.com Figure 2.2.3 Rack mounting of two half rack Mixer units. 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: Align two modules side by side and upside down with the front panel towards the same direction.
  • Page 15 All manuals and user guides at all-guides.com 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: Determine which side of the rack opening will be used for the amplifier and attach the long angle bracket to the other side at the front of the amplifier using the screws provided.
  • Page 16 All manuals and user guides at all-guides.com Figure 2.2.5 Rack Mounting Full Rack Mixer Amplifier 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: Attach the front angle brackets to each side of the front of the amplifier using the screws provided.
  • Page 17: Ensuring Proper Cooling

    All manuals and user guides at all-guides.com 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.
  • Page 18: Output Wiring And Connectors

    All manuals and user guides at all-guides.com 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 cable, if possible. 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.
  • Page 19: Wiring Your Audio System

    All manuals and user guides at all-guides.com Figure 2.6 Wiring Audio System Professional audio system 100-240 V~ 50/60Hz AMP OUT CLASS 2 LINE MONO SUM LINE Hi-Z PHANTOM WIRING PRIORITY CSR-V ONLY 100V 70.7V COM LINE LINE CAUTION - TO REDUCE THE RISK OF ELECTRIC SHOCK, GROUNDING CH2-4 IN / AUX OUT OF THE CENTER PIN OF THE PLUG...
  • Page 20: Connecting To Ac Mains

    All manuals and user guides at all-guides.com 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;...
  • Page 21: Operation

    All manuals and user guides at all-guides.com 3.0 Operation 3.1 Precautions Your amplifier is protected from internal and external faults, but you should still take the following precautions for optimum performance and safety: Before use, your amplifier first must be configured for proper operation, including input and output wiring hookup.
  • Page 22: Input Routing

    All manuals and user guides at all-guides.com 3.2 Input Routing The two channel models, CSMA240, CSMA280 INPUT ROUTING and CSMA2120 include a default routing of input channels 1-4 to amplifier 1 and input channels 5-8 1 - CH1 TO AMP2 2 - CH2 TO AMP2 to amplifier 2.
  • Page 23: Priority Muting

    All manuals and user guides at all-guides.com 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 ready for transmitting an announcement.
  • Page 24: Troubleshooting

    All manuals and user guides at all-guides.com 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.
  • Page 25: Appendix A: Target Performance Specifications

    All manuals and user guides at all-guides.com Appendix A: Target Performance Specifications Performance CSMA 180 CSMA 1120 CSMA 240 CSMA 280 CSMA 2120 Max Output Power per Channel into 120W 120W 4 Ω or 8 Ω; 1kHz, ≤ 0.5% THD Insertion Loss (70V &...
  • Page 26: Appendix B: Block Diagram

    All manuals and user guides at all-guides.com Appendix B : Block Diagram Figure C CSMA 2120/280/240 Block Diagram Phantom Power (SW6) Input Gain Line Mic/Line [Bal] CH1 TO AMP1 Gain 1 ∑ CH1 TO AMP2 CH1 VOX CH1 Priority CH1 PTT Input Gain Line CH2 TO AMP1...
  • Page 27 All manuals and user guides at all-guides.com Preamp Line Out 1 Preamp Line Out 1 SPI 1 Clip 1 SPI 1 Clip 1 ∑ ∑ Tone Control Tone Control Bass Treble Bass Treble Master 1 Master 1 enuation Scaling VCA 1 enuation Scaling VCA 1...
  • Page 28: Appendix C: Contact Information

    All manuals and user guides at all-guides.com 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 complete list of JBL Professional international distributors is provided at our U.S.A.
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  • Page 32 All manuals and user guides at all-guides.com JBL Commercial 8760 South Sandy Pkwy. Sandy, UT 84070 USA (801) 566-8800 Part Number: 5025072 Issue: 07/13...

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