CTs Multi-Channel Series Operation Manual CTs 4200 CTs 8200 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.
CTs Power Amplifiers Important Safety Instructions Wichtige Sicherheitsinstruktionen Importantes Instructions de Sécurité Instrucciones de Seguridad Importantes 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8.
CTs Power Amplifiers CTs Power Amplifiers CTs 4200 Table of Contents Dual Important Safety Instructions ........................................................ 2 5.1.5 AC Under-/Over-Voltage Protection ............................ 14 Declaration of Conformity ............................................................. 3 5.1.6 Power Fuse ................................................................ 14 1 Welcome ...................................................... 5 5.1.7 Inrush Limiting ....
CTs Power Amplifiers CTs Power Amplifiers 3 Setup 3 Setup 3.1 Unpack 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. Crown will be happy to help as needed. Save the shipping carton as evidence of damage for the shipper’s inspection.
CTs Power Amplifiers 3 Setup 3.6 Wire Your System CAUTION: Never change the position of the Mode Switch while the amplifier power is on. See Section 5.2.2 for more information. BRIDGE 3.6.1 Dual 8/4 Mode Typical input and output wiring, along with level control and Mode Switch settings are shown in Figure 3.6. Make sure the Mode switch is set to the “Dual 8/4” position. DUAL DUAL CH 2 CH 1 CH 4 CH 3 DUAL DUAL See the Crown Amplifier Application Guide, available online at www.crownaudio.
CTs Power Amplifiers 3 Setup CTs Power Amplifiers 4 Operation 3.7 Connect to AC Mains Connect your amplifier to the AC mains power source (power outlet) with the supplied AC power cordset. First, connect the IEC end of the cordset to the IEC connector on the amplifier; then, plug the other end of the cordset to the AC mains. 3.8 Startup Procedure Use the following procedure when first turning on your amplifier: WARNING: The third prong of this connector (ground) is an important safety feature.
CTs Power Amplifiers 4 Operation CTs Power Amplifiers 4 Operation 4.2 Front Panel Controls and Indicators Note: CTs 8200 is shown. Some CTs 4200 features are in different locations. A. Bridge Mode Indicator Yellow LED, one per channel pair, illuminates when the channel pair’s Mode Switch is set to the “Bridge” position. If Mode switch is changed while amplifier is powered up, Bridge LED will flash, indicating that the amplifier must be powered off and on to reset the Mode. B.
CTs Power Amplifiers 5 Advanced Features and Options CTs Power Amplifiers 5 Advanced Features and Options NOTE: For more information about these Crown amplifier features, please visit the Crown website at www.crownaudio.com. 5.1 Protection Systems Your Crown amplifier provides extensive protection and diagnostic capabilities, including thermal level control, fault indicators, automatic high-pass filtering, DC protect, AC under-/over-voltage protection, inrush limiting, and variable-speed fans. 5.1.
CTs Power Amplifiers 5 Advanced Features and Options 5.3 Options Below are some available options. For current options, visit the Crown website at www. crownaudio.com. 5.3.1 Control Modules VCA-MC (VCA module): See Figure 5.3. Provides independent remote level control for each channel. 4-pin removable Phoenix-style barrier connectors provide the +10VDC control voltage, ground, and control lines for two amplifier channels.
CTs Power Amplifiers CTs Power Amplifiers 7 Specifications 6 Troubleshooting CTs 4200: MINIMUM GUARANTEED POWER (in watts, 0.1% THD) 120VAC, 60 Hz units CONDITION: No sound, even though the amp has power. Power LED is on without flashing and the amp is receiving an input signal. Signal indicator is flashing. Speakers not connected. • Open circuit due to speaker failure. 4 Channels Driven 1 kHz POSSIBLE REASON: • • Dual Mode CONDITION: Thermal indicator is flashing.
CTs Power Amplifiers 7 Specifications 7 Specifications The following specifications apply to all models in Dual 8/4 ohm mode with 8-ohm loads unless otherwise specified. Performance Frequency Response (at 1 watt, 20 Hz - 20 kHz) Phase Response (at 1 watt, 10 Hz - 20 kHz) Signal to Noise Ratio below rated power (20 Hz to 20 kHz) CTs 4200 CTs 8200 ± 0.5 dB ± 0.5 dB ± 35° ± 35° 100 dB unweighted 100 dB unweighted Total Harmonic Distortion (THD) at 1 watt, from 20 Hz to 20 kHz < 0.05% < 0.
CTs Power Amplifiers 7 Specifications CTs Power Amplifiers 8 AC Power Draw and Thermal Dissipation 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. CTs 4200 Load Figure 7.6 CTs 8200 Typical Output Impedance vs.
CTs Power Amplifiers 8 AC Power Draw and Thermal Dissipation CTs Power Amplifiers 9 Service Crown amplifiers are quality units that rarely require servicing. Before returning your unit for service, please contact Crown Technical Support to verify the need for servicing. This unit has very sophisticated circuitry which should only be serviced by a fully trained technician.
CTs Power Amplifiers CTs Power Amplifiers 10 Warranty UNITED STATES & CANADA SUMMARY OF WARRANTY 5 AR YE Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUBSEQUENT OWNER of each NEW Crown product, for a period of five (5) years from the date of purchase by the original purchaser (the “warranty period”) that the new Crown productis free of defects in materials and workmanship.
CTs Power Amplifiers CTs Power Amplifiers PRODUCT REGISTRATION NOTES Online registration is also available at http://crownweb.crownintl.com/webregistration. Crown Audio, Inc. 1718 W. Mishawaka Rd. Elkhart, IN 46517-9439 Phone: 574-294-8000 Fax: 574-294-8329 www.crownaudio.com *Warranty is only valid within the United States of America. For information on Warranty outside of the U.S.A, please contact your local distributor. When this form is used to register your product, it may be mailed or faxed.
CTs Power Amplifiers CTs Power Amplifiers 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.