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Crown CTs 4200USP/CN Operation Manual

Usp/cn series
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CTs Multi-Channel USP/CN Series

Operation Manual

Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your
local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.
This manual does not include all of the details of design, production, or variations 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. However, updates to this information may have
occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice: Crown, Crown Audio, Amcron, Com-Tech, IQ System, and Multi-Mode are registered trademarks of Crown
Inter national. HiQnet and System Architect are trademarks of Harman Pro Group. Other trademarks are the property of their respective
own ers.
©2008 by Crown Audio
Some models may be exported under the name Amcron.
®
Inc., 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000
CTs 4200USP/CN
CTs 8200USP/CN
®
139309-4
9/08

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  • Page 1: Operation Manual

    To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com. Trademark Notice: Crown, Crown Audio, Amcron, Com-Tech, IQ System, and Multi-Mode are registered trademarks of Crown Inter national. HiQnet and System Architect are trademarks of Harman Pro Group. Other trademarks are the property of their respective own ers.

  • Page 2: Important Safety Instructions

    CTs Multi-Channel Power Amplifi ers Important Safety Instructions Wichtige Sicherheitsinstruktionen Importantes Instructions de Sécurité Instrucciones de Seguridad Importantes IMPORTANT CTs Series amplifi ers require Class 2 output wiring. Les amplifi cateurs de série de CTs exigent des câbles de sortie de 1.

  • Page 3: Declaration Of Conformity

    Equipment Type: Commercial Audio Power Amplifi ers Family Name: CTs Family Model Names: CTs 4200USP/CN, CTs 8200USP/CN EMC Standards: EN 55103-1:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 1: Emissions...

  • Page 4: Table Of Contents

    CTs Multi-Channel Power Amplifi ers Table of Contents Important Safety Instructions ............2 8 Network and CobraNet Basics ......33 3 Operation .............14 Declaration of Conformity ............. 3 8.1. Network Basics ..............33 3.1 Precautions ................14 1 Welcome ............5 8.2 A Closer Look at CobraNet ..........

  • Page 5: Welcome

    Net work Interface Cards, and cables). completely protects your investment and Fault for each channel, provide accurate diagnostics The Crown CTs 4200USP/CN and CTs 8200USP/CN guaran tees its specifi cations • Blue Power Indicator fl ashes if the amplifi er shuts off due...

  • Page 6: Setup

    Important Safety Instruc- tions found at the beginning of this manual. Fault Thermal Clip Power Signal Ready Data Bridge Bridge Figure 2.2 Airfl ow Figure 2.1 Dimensions Left: CTs 4200USP/CN Right: CTs 8200USP/CN page 6 Operation Manual...

  • Page 7: Front Panel Controls And Indicators

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) G. Ventilation Grille 2.4 Front Panel Controls C. Signal Indicator and Indicators Green LED, one per channel, illuminates to indicate Front-to-rear forced airfl ow. the presence of analog input signals above –40 dBu. H.

  • Page 8: Back Panel Controls And Connectors

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) 2.5 Back Panel Controls P. Mode Switch M. USP/CN Module and Connectors Built into the amplifi er, this module allows Used on each consecutive pair of channels, this four-position switch is used to select the con nection to a CobraNet network.

  • Page 9: Cobranet And Control Module

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) 2.6 CobraNet and Control Module: D. Data Indicator Connectors, Indicators and Flashes when the amplifi er receives a valid Con trols command that is addressed to the amplifi er. See Section 3.2.1. A.

  • Page 10: Choose Input Wire And Connectors

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) Figure 2.6 Balanced Input Connector Wiring 2.7 Choose Input Wire and Connectors Shield If you will be connecting an analog audio signal to the CTs amplifi er, please read this section. Figure 2.6 shows connector pin assignments for balanced See the Crown Amplifi...

  • Page 11: Audio Wiring

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) See the Crown Amplifi er Appli cation Guide, available online at www.crownaudio.com, 2.9 Audio Wiring for pin assignments for commonly used connector CAUTION: Never change the position of BRIDGE the Mode Switch while the amplifi er types.

  • Page 12: Bridge-Mono 16/8 Mode

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) See the Crown Amplifi er Appli cation 2.9.3 Bridge-Mono 16/8 Mode Guide, available BRIDGE CAUTION: Never change the position of DUAL DUAL online at www. the Mode Switch while the amplifi er CH 2 CH 1 crownaudio.

  • Page 13: Network Wiring Rules

    CTs Multi-Channel Power Amplifi ers 2 Setup (continued) 2.10 Network Wiring Rules 2.11 Network Wiring Crown strongly recommends the use of a 100 Mb confi gurations. Also, the amplifi er must be run within the IMPORTANT: Please read the wiring rules below before Ether net network for control and monitoring.

  • Page 14: Operation

    CTs Multi-Channel Power Amplifi ers 3 Operation 3.1 Precautions 4. WARNING: Never connect the output to a power supply, battery or power main. Your amplifi er is protected from internal and Elec trical shock may result. external faults, but you should still take the fol lowing precautions for optimum performance 5.

  • Page 15: Cobranet And Control Module Features

    CTs Multi-Channel Power Amplifi ers 3 Operation (continued) 3.2 CobraNet and Control Module Features .3.2.5 CobraNet In-Use/Conductor Indicator • Mute All: This mutes the channels when the AUX input is The indicator on the right side of each CobraNet RJ-45 connector active.
  • Page 16 CTs Multi-Channel Power Amplifi ers 3 Operation (continued) 2. Hold the Reset/Preset switch in for two fl ashes of the Data light • CobraNet audio input: The audio input level from the selected set by the user to indicate the function of the amplifi er and its (longer than 2 seconds).
  • Page 17 CTs Multi-Channel Power Amplifi ers 3 Operation (continued) Low Limit: Sets the lower bound below which the system will 3.2.23 Input Signal Compressor/Limiter Release Time: Sets the release time of the compressor. The report a “low” error status. release time is defi ned as the time it takes the limiter to increase An input signal compressor/limiter is available for each channel.
  • Page 18 CTs Multi-Channel Power Amplifi ers 3 Operation (continued) An “8 ohm” example: Most amplifi er/load systems can be confi gured and supervised All-Pass fi lters provide no gain change to the output, but provide a 30 mA into 8 ohms = 0.007watt. by following these steps: phase change at the selected frequency.
  • Page 19 CTs Multi-Channel Power Amplifi ers 3 Operation (continued) Conductor Firmware Version CobraNet Audio: Assign this in the CobraNet Input section of The Conductor is the device in a CobraNet network that acts as This parameter is confi gured at the factory and is read-only. The intended the software.
  • Page 20 CTs Multi-Channel Power Amplifi ers 3 Operation (continued) CobraNet Transmit Channels 3.3.3 CobraNet Output Routing Here are some features of CobraNet Transmit Channels: Each CobraNet Bundle can contain up to eight unique digital CobraNet output routing includes the following controls: audio channels.

  • Page 21: Advanced Features

    CTs Multi-Channel Power Amplifi ers 4 Advanced Features 4.1 Using the AUX Connector The AUX output has two enhanced modes: Error Reporting and 4.1.2 AUX Input Flash Preset. In Error Reporting mode, the AUX port can be set up The AUX connector offers a means to tap some of the fl exibility of In its basic input mode, the AUX input allows an external input to change state when any selected error (clip, thermal, amp fault, Harman Pro System Architect.

  • Page 22: Protection Systems

    4.2.4 High-Pass Filter 4.2.8 Variable-speed Fans amplifi er features, please visit the Crown A fi xed 35-Hz (70-Hz in CTs 4200USP/CN) high-pass Continuously variable speed fans direct the airfl ow web site at www.crownaudio.com. fi l ter per channel pair is automatically inserted when the through the amplifi...

  • Page 23: Channel Level Control

    CTs Multi-Channel Power Amplifi ers 4 Advanced Features (continued) 4.2.12 Channel Level Control ATTENUATION in dB The signal level for each input can be attenu ated accurately by adjusting the 21-step Level Detent 4/8 Ohm 100V Control (see Section 2.5). Figure 4.5 shows the 0 (full CCW) -68.31 -72.90...

  • Page 24: Troubleshooting

    CTs Multi-Channel Power Amplifi ers 5 Troubleshooting CONDITION: Fault indicator is on. CONDITION: Power indicator is off. POSSIBLE REASON POSSIBLE REASON: • The amplifi er channel has stopped • The amplifi er has lost AC power. oper ating. Return the unit to an •...
  • Page 25 CTs Multi-Channel Power Amplifi ers 5 Troubleshooting (continued) CONDITION: No sound, even though CONDITION: Thermal indicator is the amp has power. Power LED is on fl ashing. without fl ashing and the amp is receiving an POSSIBLE REASON: input signal. Signal indicator is fl ashing. •...
  • Page 26 CTs Multi-Channel Power Amplifi ers 5 Troubleshooting (continued) NOTE: Actual product artwork may vary slightly. Problem: Data indicator is not fl ashing, even though a valid Problem: Green LINK/ACTIVITY indicator in network connector does com mand was sent. not illuminate or fl ash. Possible causes: Possible cause: Ethernet link is broken, or network connection is 10 •...

  • Page 27: Specifi Cations

    6 Specifi cations The following specifi cations apply to all models in Dual 8/4 ohm mode with 8-ohm loads unless otherwise specifi ed. Performance CTs 4200USP/CN CTs 8200USP/CN Frequency Response (at 1 watt, 20 Hz - 20 kHz) ± 0.5 dB ±...
  • Page 28 CTs Multi-Channel Power Amplifi ers 6 Specifi cations (continued) Figure 6.2 CTs 8200USP/CN Typical Phase Response (1 W) Figure 6.1 CTs 8200USP/CN Typical Frequency Response (1 W) Figure 6.3 CTs 8200USP/CN Typical Damping Factor vs. Frequency page 28 Operation Manual...
  • Page 29 CTs Multi-Channel Power Amplifi ers 6 Specifi cations (continued) Figure 6.4 CTs 8200USP/CN Typical Output Impedance vs. Frequency Figure 6.5 CTs 8200USP/CN Typical Crosstalk vs. Frequency Operation Manual page 29...
  • Page 30 CTs Multi-Channel Power Amplifi ers 6 Specifi cations (continued) CTs 4200USP/CN: MINIMUM GUARANTEED POWER (in watts, 0.1% THD) 120VAC, 60 Hz units Dual Mode Channels Driven 1 kHz 20 Hz - 20 kHz 1 kHz 1 kHz 20 Hz - 20 kHz...

  • Page 31: Ac Power Draw And Thermal Dissipation

    Typical line impedance used. Measurements made with 120VAC mains. Line current figures for 230VAC units derived by multiplying 120VAC figures by 0.5. Data based on all channels driven. The CobraNet and Control Module is not included. CTs 4200USP/CN Rated Line Current Line Current...
  • Page 32 CTs Multi-Channel Power Amplifi ers 7 AC Power Draw and Thermal Dissipation (continued) AC Power Draw and Thermal Dissipation: Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz. Typical line impedance used. Measurements made with 120VAC mains. Line current figures for 230VAC units derived by multiplying 120VAC figures by 0.5. Data based on all channels driven.

  • Page 33: Network And Cobranet Basics

    CTs Multi-Channel Power Amplifi ers 8 Network and CobraNet Basics This section provides additional information about HiQnet or • The use of “off-the-shelf” networking hardware. This Ethernet Networks are established through the use of either a hub Network basics. For more information about any of these topics, technology makes use of network connectivity and hardware or a switch.

  • Page 34: A Closer Look At Cobranet

    CTs Multi-Channel Power Amplifi ers 8 Network and CobraNet Basics (continued) Each component has three identifi ers that are used in the HiQnet This allows the network designer to isolate network traffi c from each 8.2 A Closer Look at CobraNet system: other.

  • Page 35: Audio Specs

    CTs Multi-Channel Power Amplifi ers 8 Network and CobraNet Basics (continued) Up to 8 full-loaded Bundles (64 audio channels) are allowed on a 8.2.2 Audio Specs one receiver. For example, if you send a mixer’s digital audio signal to repeater network. More Bundles may be allowed if they are loaded several power amps, the signal would be Multicast.

  • Page 36: Service

    If you do not have access to the web, please impor tant that it has adequate protection. We being notifi ed by Crown Audio Inc. Units still in the call Crown’s Customer Service at 574.294.8200 or recommend you use the original pack material when...

  • Page 37: Warranty

    CTs Multi-Channel Power Amplifi ers 10 Warranty UNITED STATES & CANADA SUMMARY OF WARRANTY product available to us free and clear of all liens or YOU ARE NOT ENTITLED TO RECOVER FROM US other encumbrances. The refund will be equal to ANY INCIDENTAL DAMAGES RESULTING FROM Crown International, 1718 West Mishawaka Road, the actual purchase price, not including inter est,...
  • Page 38 CTs Multi-Channel Power Amplifi ers 10 Warranty (continued) WORLDWIDE EXCEPT USA & CANADA SUMMARY OF WARRANTY WHAT THE WARRANTOR WILL DO DISCLAIMER OF CONSEQUENTIAL AND INCIDENTAL DAMAGES Crown International, 1718 West Mishawaka Road, We will remedy any defect, regardless of the Elkhart, Indiana 46517-4095 U.S.A.
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  • Page 41: Product Registration

    CTs Multi-Channel Power Amplifi ers PRODUCT REGISTRATION Crown Audio, Inc. 1718 W. Mishawaka Rd. Elkhart, IN 46517-9439 Phone: 574-294-8000 Fax: 574-294-8329 www.crownaudio.com Online registration is also available at http://crownweb.crownintl.com/webregistration. Warranty is only valid within the country in which the product is purchased.
  • Page 42 CTs Multi-Channel Power Amplifi ers THIS PAGE INTENTIONALLY LEFT BLANK page 42 Operation Manual...

  • Page 43: Crown Factory Service Information Form

    CTs Multi-Channel Power Amplifi ers Crown Audio Factory Service Information Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 PLEASE PRINT CLEARLY SRA #: __________________(If sending product to Crown factory service.) Model: _________________________________ Serial Number: _____________________...

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