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Crown IQ-MC4A Instruction manual

1. ATE HH H HoaTTa iar 25 AVP WS CQUUOS ere 11 9 2 1 Service at a US Service Center s is 20 4 2 Front Panel Controls and Indicators oo cece 12 9 2 2 Factory Service sree 25 4 3 Back Panel Controls and Connectors s s 13 9 2 3 Factory Service Shipping Instructions c 0 20 5 Advanced Features and Options 14 9 2 4 Packing Instructions seca see 25 5 1 Protection Systems cccesccssssessessssssseessessssssesseessen 14 9 2 5 Estimate Ap0royal 25 5 1 1 Thermal Level Control TLO aeiee 14 9 2 6 Payment of Non Warranty RG0alS 20 RE ne rete eee ere 14 10 Warranty nn e ees essen eee 26 5 1 3 Fault Isolation Topology RIT 14 Crown Factory Service Information Form n s 29 Operation Manual CTs Multi Channel Power Amplifiers CTs 4200 Maximum Average Power Dual in watts with 0 1 THD 4 Channels Driven 1kHz 20 Hz 20 kHz 4 ohm per ch 260W 215W 8 ohm per ch 180W 190W TOV per ch 220W 220W 1 Channel Driven 1kHz 20 Hz 20 kHz 4 ohm per ch 270W 225W 8 ohm per ch 220W 210W TOV per ch 250W 245W Bridge Mono 2 Channel Pairs Driven 1kHz 20 Hz 20 kHz 8 ohm per ch pair 520W 430W 16 ohm per ch pair 400W 380W 100V per ch pair 220W 220W 1 Channel Pair Driven 1kHz 20 Hz 20 kHz 8 ohm per ch pair 560W 450W 16 ohm per ch pair 440W 420W 100V per ch pair 250W 245W u Voltage full bandwidth power ratings support Hz 20kHz due to automatic High Pass Filters
2. CTs 8200 Maximum Average Power Dual in watts with 0 1 THD 8 Channels Driven 1kHz 20 H7 20 kHz 4 ohm per ch 200W 175W 8 ohm per ch 160W 155W TOV per ch 200W 185W 1 Channel Driven 1kHz 20 Hz 20 kHz 4 ohm per ch 270W 230W 8 ohm per ch 220W 220W TOV per ch 250W 230W Bridge Mono 4 Channel Pairs Driven 1kHz 20 Hz 20 kHz 8 ohm per ch pair 400W 350W 16 ohm per ch pair 320W 310W 100V per ch pair 200W 185W 1 Channel Pair Driven 1kHz 20 Hz 20 kHz 8 ohm per ch pair 540W 460W 16 ohm per ch pair 440W 440W 100V per ch pair 250W 230W Constant Voltage full bandwidth power ratings support 100Hz 20kHz due to automatic High Pass Filters Operation Manual CTs 4200 CTs 8200 1 Welcome Building on the foundation of the Com Tech Series Crown s CTs Series offers new flexibility and value for installed sound applications The Com Tech Series were the first to offer inde pendent selection of high and low impedance operation for a specific channel and CTs Series amplifiers continue that tradition with power levels and features carefully chosen to perfectly integrate into fixed install design requirements Modern power amplifiers are sophisticated pieces of engineering capable of producing extremely high power levels They must be treated with respect and correctly installed if they are to provide the many years of reliable service for which they were designed In addition
3. CTs Series amplifiers include a number of features which require some expla nation before they can be used to their maxi mum advantage Please take the time to study this manual so that you can obtain the best possible service from your amplifier 1 1 Features e New Crown Switching Power Supply for reduced weight e High power density with eight channels in a 3U chassis and four channels in a 2U chassis selectable constant voltage 70V 100V or low impedance 8 4 ohm operation for each channel pair FIT Fault Isolation Topology circuitry isolates faults within affected channels 35 Hz High Pass Filter 70 Hz in CTs 4200 is automatically inserted when the channel pair is set for constant voltage operation corner frequency may be changed as a service option Accepts new MC accessory modules that tailor the amplifier to suit specific applica tions Modules available for remote VCA level control and Q System Control Comprehensive array of indicators includ ing Power and Data along with Bridge Ready Signal Clip Thermal and Fault for each channel provide accurate diagnos tics Blue Power Indicator flashes if the ampli fier shuts off due to an under over voltage condition on the AC mains Advanced protection circuitry guards against shorted outputs open circuits DC mismatched loads general overheat ing under over voltage high frequency overloads and internal faults Proven Crown
4. amp crown CTs Multi Channel Series CTs 4200 CTs 4200 Operation Manual CTs 8200 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 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 10 System and Multi Mode are registered trademarks of Crown Inter national Other trademarks are the property of their respective owners Some models may be exported under the name Amcron 2005 by Crown Audio Inc 1718 W Mishawaka Rd Elkhart Indiana 46517 9439 U S A Telephone 574 294 8000 134434 7A vL 3 05 H A Harman International Company CTs Multi Channel Power Amplifiers crown Important Safety Instructions 1 Read these instructions 15 WARNING TO REDUCE THE RISK OF FIRE WATCH FOR THESE SYMBOLS 2 Keep thes
5. below 10 or has risen above 10 of the nominal line voltage of the power supply Refer to section 5 1 6 for specific voltage requirements vty C_ Lit TION Fault Thermal Clip Signal Ready Fault Thermal Clip Signal Ready l 7 Flashing l or Bridge Power Data vile CONDITION Fault indicator is on POSSIBLE REASON e The amplifier channel has stopped oper ating Return the unit to an authorized Crown Service Center CONDITION Distorted sound POSSIBLE REASON e Load is wired incorrectly or Dual Bridge mode switch is set incorrectly Check both Input is overloaded by a signal level that is too high Turn down your amplifier level controls or turn down the input sig nal until the clip light goes out e Thermal Level Control TLC is active Note If the signal sounds distorted even though the Clip LED is off the input signal is distorted Check gain staging and output lev els of the mixer or preamp page 17 oe CTs Multi Channel Power Amplifiers 6 Troubleshooting Fault CONDITION No sound even though CONDITION Thermal indicator is Fault P Thermal the amp has power Power LED is on Pid flashing _ Without flashing and the amp is receiving an pon 3 input signal Signal indicator is flashing Clip Kd doai igna Ready Cane The amplifier has become too hot for Ready G safe operation Check for loads less than Speakers not connec
6. corner frequency can be set to 70 Hz or bypassed with a service option 5 1 5 AC Under Over Voltage Protection If the AC line voltage varies out of an acceptable range the amplifiers power supply turns off and the blue Power LED flashes The amplifier will turn back on when the AC line voltage returns to safe operating levels Figure 5 1 provides voltage limits for all amplifier AC voltage con figurations Also the amplifier must be run within the specified mains frequency requirements indicated on the amplifiers back panel label If you are unsure of the out put voltage of your AC mains consult your electrician Models Under Voltage Over Voltage Limit Limit 100VAC CTs 8200 only JOVAC 110VAC 120 VAC units 108VAC 132VAC 220V 230V 198VAC 264VAC 240V units Figure 5 1 AC Under Voltage and Over Voltage Limits for Various Amplifier Models 5 1 6 Power Fuse A fuse protects the amplifier from excessive AC current draw 5 1 7 Inrush Limiting A soft start circuit in the power supply minimizes the amplifiers current draw during power on 5 1 8 Variable speed Fans Continuously variable speed fans direct the airflow through the amplifier for cooling A CTs Multi Channel Power Amplifiers 5 2 Advanced Features 5 2 1 Switching Power Supply Crown s new Switching Power Supply minimizes the amplifiers weight Typical non switching power supplies require large heavy transformers in order to produce the re
7. dB for each detent 0 full CCW 68 31 72 90 71 02 Note Attenuation per detent varies with operat 67 54 72 06 70 26 ing mode since gain varies with operating 32 23 36 61 34 90 mode Attenuation amounts shown may vary 6 25 46 29 74 28 00 21 83 25 87 24 22 19 23 23 20 21 58 17 12 20 94 19 40 15 36 19 02 17 53 13 76 17 22 15 79 12 28 15 53 14 20 3a f j i i f mw ow am Figure 5 2 Level control Attenuation per Detent 10 84 13 90 12 62 Operation Manual page 15 CTs Multi Channel Power Amplifiers crown 5 Advanced Features and Options 5 3 Options Below are some available options For current options visit the Crown website at www crownau dio com 5 3 1 Control Modules 1Q MC IQ Module See Figure 5 3 A single IQ MC module provides IQ control and monitoring capability to all channels of the amplifier Features include basic IQ amplifier control and monitoring including attenuation mute polarity input level output level power supply temperature and thermal level meters Advanced features include IOC Ther mal and Fault error reporting Load Supervision output limiting Listen Bus AUX control port 10 presets and real time read only software indica tion of amplifier hardware indicator level control and mode switch status VCA MC VCA module See Figure 5 4 Pro vides independent remote level control for each channel 4 pin removable Phoenix
8. is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus com bination to avoid injury from tip over Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service person nel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped QUALIFIE SEULMENT TO COMPLETELY DISCONNECT THIS EQUIPMENT FROM THE AC MAINS DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC RECEPTA CLE THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN READILY OPERABLE IMPORTANT CTs Series amplifiers require Class 2 output wiring MAGNETIC FIELD CAUTION Do not locate sensitive high gain equip ment such as preamplifiers or tape decks directly above or below the unit Because this amplifi
9. level The load you save may be your own Do not short the ground lead of an output cable to the input signal ground This may form a ground loop and cause oscillations 4 WARNING Never connect the output to a power supply battery or power main Electrical shock may result 5 Tampering with the circuitry or making unauthorized circuit changes may be hazard ous and invalidates all agency listings and may also void the products warranty 6 Do not operate the amplifier 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 loudspeaker damage may result 8 Use caution when operating the amplifier with a 2 ohm load impedance on 1 channel Do not operate the amplifier with less than a 2 ohm load impedance per channel when driving more than 1 channel Due to the amplifiers output protection such a config uration may result in premature clipping speaker damage or a blown power fuse Remember Crown is not liable for damage that results from overdriving other system compo nents S crou page 11 crown 4 Operation page 12 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 illumi nates when the channel pair s Mode Switch is set to
10. own shipping pack the mini mum recommended requirements for materials are as follows a 275 PSI burst test Double Wall carton that allows for 2 inch solid Styrofoam on all six sides of unit or 3 inches of plastic bubble wrap on all six sides of unit b Securely seal the package with an adequate carton sealing tape c Donotuse light boxes or peanuts Damage caused by poor packaging will not be covered under war ranty Using your foam in place shipping pack Note The foam in place packing is molded so that there is only one correct position for your product 1 Open carton and lift center cushion leaving both end cushions in place 2 Carefully place your product with the product s front panel facing the same direction as arrows indicate crown 3 Reset center cushion down over top of product s chassis The foam in place packing was molded to accommodate different chassis depth sizes If your product s chassis does not completely fill the foam in place cavity you may use a soft but solid packing material such as paper or bubble wrap behind the chassis 4 Enclose the completed Crown Audio Factory Service Information form or securely attach it to the outside of carton and re seal the shipping pack with a sturdy carton sealing tape 9 2 5 Estimate Approval Approval of estimate must be given within 90 days after being notified by Crown Audio Inc Units still in the pos session of Crown after 90 da
11. page 10 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 WARNING The third prong of this connector ground is an important safety feature Do not attempt to disable this ground connec tion by using an adapter or other methods Amplifiers don t create energy The AC mains volt age and current must be sufficient to deliver the power you expect If the AC line voltage varies out of an acceptable range the amplifier s power supply turns off and the blue Power LED flashes The amplifier will turn back on when the AC line voltage returns to safe operating levels Figure 3 10 pro vides voltage limits for all amplifier AC voltage con figurations Also the amplifier must be run within the specified mains frequency requirements indi cated on the amplifier s back panel label If you are unsure of the output voltage of your AC mains please consult your electrician Models Under Voltage Over Voltage Limit Limit 100VAC CTs 8200 DUVAL 110VAC only 120 D 120 AC units units manr anp me 198VAC 264VAC 240V units Figure 3 10 AC Under Voltage and Over Voltage Limits for Various Amplifier Models 3 8 Startup Procedure Use the following procedure when first turning on your amplifier 1 Turn down
12. the Bridge position If Mode switch is changed while amplifier is powered up Bridge LED will flash indicat ing that the amplifier must be powered off and on to reset the Mode See Section 6 9 Ready Indicator Green LED one per channel illuminates when the channel is initialized and ready to produce audio output Signal Indicator Green LED one per channel illuminates to indicate the presence of input signals above 40 dBu Clip Indicator Red LED one per channel illuminates when the THD of the channel s output sig nal rises to a level typically considered as the onset of audible clipping The Clip Indicator also will illuminate during Ther mal Level Control TLC or input overload Thermal Indicator Red LED one per channel flashes when the channel has shut down due to thermal stress or overload If the power supply goes into thermal overload all channel LEDs will flash Figure 4 1 CTs 8200 front panel CTs Multi Channel Power Amplifiers Fault Indicator Red LED one per channel illuminates when the amplifier output channel has stopped operating Ventilation Grille Front to rear forced airflow Data Indicator Yellow LED indicates 1Q Loop data activity if the amplifier is equipped with an Q MC module and connected to an IQ Loop Power Indicator Blue LED indicates amplifier has been turned on and AC power is available Indi cator als
13. the level of your audio source 2 Turn down the level controls of the amplifier 3 Turn on the Power switch The Power indica tor should glow 4 Turn up the level of your audio source to an optimum level 5 Turn up the Level controls on the amplifier until the desired loudness or power level is achieved 6 Turn down the level of your audio source to its normal range If you ever need to make any wiring or installation changes don t forget to disconnect the power cord For help with determining your systems optimum gain structure signal levels please refer to the Crown Amplifier Application Guide available online at www crownaudio com CTs Multi Channel Power Amplifiers Operation Manual CTs Multi Channel Power Amplifiers 4 Operation Operation Manual 4 1 Precautions Your amplifier is protected from internal and external faults but you should still take the fol lowing precautions for optimum performance and Safety 1 Before use your amplifier first must be con figured for proper operation including input and output wiring hookup Improper wiring can result in serious operating difficulties For information on wiring and configuration please consult the Setup section of this manual or for advanced setup techniques consult Crown s Amplifier Application Guide available online at www crownaudio com Use care when making connections select ing signal sources and controlling the out put
14. variable speed fans 5 1 1 Thermal Level Control TLC If an amplifier channel starts to overheat the TLC circuit will engage that channel s input compressor By com pressing the input the amplifier will not generate as much heat and will have a chance to cool down The degree of compression is proportional to the amount of overheating If the channel becomes too hot for safe operation even after full TLC limiting the channel will shut off and the Thermal Indicator for that channel will flash brightly to alert the user that a state of thermal stress or overload has cause the channel to shut down 5 1 2 Fault If an amplifier channel requires service the correspond ing Fault indicator will illuminate to alert the user of this condition If this occurs return the amplifier to the Crown factory or to an authorized Crown service center 5 1 3 Fault Isolation Topology FIT Crown s new FIT Fault Isolation Topology design iso lates channel specific faults and prevents them from affecting remaining channels Ifa CTs multi channel amp is powering multiple zones and a channel fails the other zones continue to operate FIT makes the CTs 4200 and CTs 8200 the most trustworthy multi channel amplifiers in the business 5 1 4 35 Hz High Pass Filter A fixed 35 Hz 70 Hz in CTs 4200 high pass filter per channel pair is automatically inserted when the mode Switch is set to either of the constant voltage settings The high pass filter
15. will have them if you ever need to transport the unit Never ship the unit without the factory pack YOU WILL NEED not supplied e Input wiring cables e Output wiring cables Rack for mounting amplifier or a stable surface for stacking WARNING Before you start to set up your amplifier make sure you read and observe the Important Safety Instruc tions found at the beginning of this manual E P 16 25 In gt 41 3 cm page 6 Figure 3 1 Dimensions Left CTs 4200 Right CTs 8200 A 3 2 Install Your Amplifier CAUTION Before you begin make sure your amplifier is disconnected from the power source with the power switch in the off position and all level controls turned completely down counterclock wise Use a standard 19 inch 48 3 cm equipment rack EIA RS 310B See Figure 3 1 for ampli fier dimensions You may also stack amps without using a cabinet NOTE When transporting amplifiers should be supported at both front and back CTs 8200 k 19 In gt 48 3 cm lt 16 25 In x 41 3 cm CTs Multi Channel Power Amplifiers 3 3 Ensure Proper Cooling When using an equipment rack mount units directly on top of each other Close any open spaces in rack with blank panels DO NOT block front rear or side air vents The side walls of the rack should be a minimum of two inches 5 1 cm away from the amplifier sides and the back
16. 1718 W Mishawaka Rd Elkhart IN 46517 PLEASE PRINT CLEARLY SRA If sending product to Crown factory service Model __ o Z o S o S O Serial Number Purchase Date S O Individual or Business Name oS Other equipment in your system _ gt gt S If warranty is expired please provide method of payment Proof of purchase may be required to validate warranty PAYMENT OPTIONS C have open account payment terms Purchase order required PO a oe C1 COD C1 Credit Card Information below is required however if you do not want to provide this information at this time we will contact you when your unit is repaired for the information Credit card information Type of credit card C MasterCard L Visa LJ American Express C1 Discover Type of credit card account C Personal Consumer L Business Corporate Card EX dates Card ID S SSS Card ID is located on the back of the card following the credit card in the signature area On American Express it may be located on the front of the card This number is required to process the charge to your account If you do not want to provide it at this time we will call you to obtain this number when the repair of your unit is complete Name on credit card _ ee Operation Manual page 29 oe CTs Multi Channel Power Amplifiers THIS PAGE INTENTIONALLY LEFT BLANK page 30 Operation Manual CTs Multi Channel Power Amplifiers COUT THIS PAGE INTENTIONALLY LEFT BLANK
17. 995 amp A2 1997 Limits and Methods of Measurement of Radio Disturbance Characteristics of ITE Radiated Class B Limits Conducted Class B EN 55103 2 1996 Electromagnetic Compatibility Product Family Standard for Audio Video Audio Visual and Entertainment Lighting Control Apparatus for Professional Use Part 2 Immunity EN 61000 4 2 1995 Electrostatic Discharge Immunity Environment E2 Criteria B 4k V Contact 8k V Air Discharge EN 61000 4 3 1996 Radiated Radio Frequency Electromagnetic Immunity Environment E2 criteria A EN 61000 4 4 1995 Electrical Fast Transient Burst Immunity Criteria B EN 61000 4 5 1995 Surge Immunity Criteria B EN 61000 4 6 1996 Immunity to Conducted Disturbances Induced by Radio Frequency Fields Criteria A EN 61000 4 11 1994 Voltage Dips Short Interruptions and Voltage Variation Safety Standard EN 60065 1998 Safety Requirements Audio Video and Similar Electronic Apparatus certify that the product identified above conforms to the requirements of the EMC Council Directive 89 336 EEC as amended by 92 31 EEC and the Low Voltage Directive 73 23 EES as amended by 93 68 EEC Signed Larry Coburn Date of Issue March 1 2002 Title Senior Vice President of Manufacturing Operation Manual Due to line current harmonics we recommend that you contact your supply authority before connection page 3 crown page 4 CTs Multi Channel Power Amplifiers Important Safety Instructions ooo ceccceceeseeteseeteteseet
18. AB B Multi Mode output topology Crouwri e Continuously variable speed fans opti mize cooling efficiency e Three Year No Fault Fully Transferable Warranty completely protects your invest ment and guarantees its specifications 2 How to Use This Manual This manual provides you with the necessary information to safely and correctly setup and operate your amplifier It does not cover every aspect of installation setup or operation that might occur under every condition For addi tional information please consult Crown s Amplifier Application Guide available online at www crownaudio com Crown Tech Support your system installer or retailer We strongly recommend you read all instruc tions warnings and cautions contained in this manual Also for your protection please send in your warranty registration card today or reg ister online at www crownaudio com And save your bill of sale it s your official proof of pur chase page 5 S crown 3 Setup TE lt lt Wh 48 3 cm 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 transpor tation company immediately Only you can ini tiate 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 We also recommend that you save all packing materials so you
19. Hz 20 kHz due to automatic high pass filters Channels Driven SS een a Ee es Pte TT e HT ET ET O III Cee Power Chart Channel Pairs Driven ere rr ee ae re ae te He 20H tHe RT 20H7 20kk Oo o S S S ONESIES SOOO 16 Ohm 100V 50 Ohm at 0 1 THD Constant Voltage full bandwidth power ratings support 100 Hz 20 kHz due to automatic high pass filters Operation Manual page 19 crown 7 Specifications Performance The following specifications apply to all models in Dual 8 4 ohm mode with 8 ohm loads unless otherwise specified CTs 4200 CTs Multi Channel Power Amplifiers CTs 8200 Frequency Response at 1 watt 20 Hz 20 kHz 0 5 dB 0 5 dB Phase Response at 1 watt 10 Hz 20 kHz 35 35 Signal to Noise Ratio below rated power 20 Hz to 20 kHz 100 dB unweighted 100 dB unweighted Total Harmonic Distortion THD at 1 watt from 20 Hz to 20 kHz lt 0 05 lt 0 05 Intermodulation Distortion IMD 60 Hz and 7 kHz at 4 1 lt 0 05 lt 0 05 from 163 milliwatts to full bandwidth power typical Damping Factor 10 Hz to 400 Hz gt 180 gt 180 Crosstalk below rated power 20 Hz to 1 kHz gt 80 dB gt 80 dB Common Mode Rejection CMR 20 Hz to 1 kHz gt 50 dB gt 50 dB DC Output Offset Shorted input lt 5mV lt 5mV Input Impedance nominally balanced nominally unbalanced 20 kilohms 10 kilohms 20 kilohms 10 kilohms Maximum Input Level before i
20. Operation Manual page 31 Cr OU H A Harman International Company
21. am material 16 Ohms Bridge moe 8 Ohms Bridge S loov Brige 220e eo Le e e e e Le 100V Bridge 220x2 Operation Manual page 23 oe CTs Multi Channel 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 8200 Rated Line Current Line Current Watts Load ee 120VAC 230VAC Thermal Dissipation At Idle 8 4 Ohm mode mo 7 239 6 At Idle 70 100V mode a a n O 1 8th Power Pink Noise 18 Ohms Ch eas E Typical of program material 16 Ohms Bridge sant just at clip 4 Ohms Ch 1155 3200 8 Ohms Bridge ooa 7OVICh E 100V Bridge ES 1 3rd Power Pink Noise 8 Ohms Ch Lu 1136 2385 Typical of program material 16 Ohms Bridge oa with severe clipping 4 Ohms Ch 8 Ohms Bridge oa 1748 1190 4062 1024 70V Ch T se Do ii es ol oe page 24 Operation Manual CTs Multi Channel Power Amplifiers 9 Service Crown amplifiers are quality units that rarely require ser vicing Before returning your unit for service please con tact 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 This is one reason why each unit bear
22. defective product by our authorized service center If the repairs made by our authorized service cen ter are not satisfactory notify our authorized ser vice center immediately DISCLAIMER OF CONSEQUENTIAL AND INCIDENTAL DAMAGES YOU ARE NOT ENTITLED TO RECOVER FROM US ANY INCIDENTAL DAMAGES RESULTING FROM ANY DEFECT IN THE NEW CROWN PRODUCT THIS INCLUDES ANY DAMAGE TO ANOTHER PRODUCT OR PRODUCTS RESULTING FROM SUCH A DEFECT WARRANTY ALTERATIONS No person has the authority to enlarge amend or modify this Crown Warranty This Crown Warranty is not extended by the length of time which you are deprived of the use of the new Crown product Repairs and replacement parts provided under the terms of this Crown Warranty shall carry only the unexpired portion of this Crown Warranty DESIGN CHANGES We reserve the right to change the design of any product from time to time without notice and with no obligation to make corresponding changes in products previously manufactured LEGAL REMEDIES OF PURCHASER No action to enforce this Crown Warranty shall be commenced after expiration of the warranty period THIS STATEMENT OF WARRANTY SUPERSEDES ANY OTHERS CONTAINED IN THIS MANUAL FOR CROWN PRODUCTS 7 01 crown page 27 oe CTs Multi Channel Power Amplifiers NOTES page 28 Operation Manual CTs Multi Channel Power Amplifiers Crouwr ni Crown Audio Factory Service Information shipping Address Crown Audio Factory Service
23. e instructions OR ELECTRIC SHOCK DO NOT EXPOSE A 3 Heed all warnings x THIS APPARATUS TO RAIN OR MOISTURE The lightning bolt triangle is used to alert the user to 4 Follow all instructions 16 DO NOT EXPOSE TO DRIPPING OR SPLASH A the risk of electric shock 5 Do not use this apparatus near water ING DO NOT PLACE OBJECTS FILLED WITH A 6 Clean only with a dry cloth LIQUID SUCH AS VASES ON THIS APPARA en 7 Do not block any ventilation openings Install TUS The exclamation point triangle is used to alert the in accordance with the manufacturer s instruc A me to important operating or maintenance instruc IONS tions TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR BOTTOM COVERS NO USER SERVICE radiators heat registers stoves or other ABLE PARTS INSIDE REFER SERVICING TO apparatus including amplifiers that produce QUALIFIED SERVICE PERSONNEL heat PR VENIR LE CHOC LECTRIQUE N ENLEVEZ 9 Do not defeat the safety purpose of the polar PAS LES COUVERCLES IL N Y A PAS DES PAR ized or grounding type plug A polarized plug TIES SERVICEABLE L INT RIEUR TOUS REPA has two blades with one wider than the other RATIONS DOIT ETRE FAIRE PAR PERSONNEL 8 Do not install near any heat sources such as CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS RISQUE DE CHOC LECTRIQUE N OUVREZ PAS page 2 A grounding type plug has two blades and a third grounding prong The wide blade or the third prong
24. e of any inten tional misuse accident negligence or loss which is covered under any of your insurance contracts This Crown Warranty also does not extend to the new Crown product if the serial number has been defaced altered or removed WHAT THE WARRANTOR WILL DO We will remedy any defect regardless of the rea son for failure except as excluded by repair replacement or refund We may not elect refund WORLDWIDE EXCEPT USA amp CANADA unless you agree or unless we are unable to pro vide replacement and repair is not practical or cannot be timely made If a refund is elected then you must make the defective or malfunctioning product available to us free and clear of all liens or other encumbrances The refund will be equal to the actual purchase price not including inter est insurance closing costs and other finance charges less a reasonable depreciation on the product from the date of original purchase War ranty work can only be performed at our autho rized service centers We will remedy the defect and ship the product from the service center within a reasonable time after receipt of the defec tive product at our authorized service center HOW TO OBTAIN WARRANTY SERVICE You must notify your local Crown importer of your need for warranty service within the warranty period All components must be shipped in the original box Corrective action will be taken within a reasonable time of the date of receipt of the
25. e the position of the Mode Switch while the amplifier power is on See Section 5 2 2 for more information Typical input and output wiring along with level control and Mode Switch settings are shown in Figure 3 9 Make sure the Mode switch is set to the Bridge 100V position INPUTS Connect input wiring only to the lower odd numbered channel pair OUTPUTS Connect the speaker across the posi tive terminals of each channel pair Do not use the negative terminals of the channel pair when the pair is being operated in Bridge Mono mode NOTE When operating the channel pair in Bridge Mono mode turn down full CCW the level control for the higher even numbered channel of the channel pair The lower odd numbered level control works both channels Operation Manual crown see the Crown Amplifier Appli cation Guide available online at www crownaudio com for pin BRIDGE assignments for commonly used connector types Output panel co dB 0 dB 0 shown with touch proof cover plate removed DUAL BRIDGE 70V 16 8 8 47 FTW PUTS DUAL DUAL IN VE 1 D _ BRIDGE RUSI Figure 3 8 System Wiring and Control Settings Bridge Mono Mode 16 8 Ohm BRIDGE Output panel D ch s dB O dB 0 shown with touch proof cover plate removed DUAL BRIDGE 70V 6 8 8 47 fia Figure 3 9 System Wiring and Control Settings Bridge Mono Mode 100V page 9 crown 3 Setup
26. ect the correct accessory for your requirements MC MODULE VCA MODULE CTs 4200 lQ MC4 VCA MC4 CTs 4200A IQ MC4A VCA MC4A CTs 8200 IQ MC8 VCA MC8 CTs 8200A lQ MC8 VCA MC8 1 VCAP Single gang wall mount panel with one VCA channel volume control for any CTs model 4 VCAP Two gang wall mount panel with four VCA channel volume controls for any CTs model 5 3 2 Input Sensitivity The CTs 4200 and CTs 8200 have a fixed input sen sitivity of 1 4V A service option is available for other input sensitivities VOLUME 1VCAP Figure 5 5 1 VCAP Module VOLUME VOLUME ee ce L e e C B e VOLUME VOLUME 4 VCA P Figure 5 6 4 VCAP Module Operation Manual CTs Multi Channel Power Amplifiers crown 6 Troubleshooting Fault Thermal Clip Signal Ready Fault Thermal Clip Signal Ready Operation Manual Bridge Bridge Power Data Power Data CONDITION Power indicator is off POSSIBLE REASON e The amplifier has lost AC power e The amplifier s Power switch is off e The amplifier is not plugged into the power receptacle e The amplifier output level is so high that the power supply fuse has blown Verify that input levels and output impedances are within safe ranges Refer the unit to an authorized Crown service center for fuse replacement CONDITION Power indicator is flashing POSSIBLE REASON e The AC line voltage has dropped
27. eesesteseeen 2 5 1 4 35 Hz High Pass Filter 14 Declaration of Conformity sn 3 5 1 5 AC Under Over Voltage Protection cccccee 14 Aa 5 5 1 6 Power FUSE secacercactecs oceses thcas tees cnoasepaeenn sesetecnasoueass 14 D s i 5 5 1 7 Inrush Limiting o on 14 2 How to Use This Manual 5 5 1 8 Variable speed Fans n 14 3 SOUL annan ania NRI V ANNEE RRR canne 6 5 2 Advanced Features oo cecccccscececescscscececesesesescateteteseseseaes 14 3 1 Unpack YOUN AMD sn cena 6 5 2 1Switching Power Supply ecserin 14 3 2 Install Your Amplifier u 6 5 2 2 Mode SWIC nr 14 3 3 Ensure Proper Cooling sssrin 6 5 2 3 Bridge Mode Indicator 14 3 4 Choose Input Wire and Connectors n T 5 2 4 Channel Level Contra 15 3 5 Choose Output Wire and Connectors uu cece 7 eE OUO e a E 16 3 6 Wire Your avain 2 mani 8 5 3 1 Control Modules sss 16 3 6 1 Dual 8 4 MOG 8 5 3 2 Input Sensitivity en 16 O02 DUAN FOV MOI sru 8 6 Troubleshooting 17 3 6 3 Bridge Mono 16 8 Mode ou cece ceca 9 7 Specifications names encens 19 3 6 4 Bridge Mono 100V Mode ou cece ceca 9 8 AC Power Draw and Thermal Dissipation 23 3 7 Connect to AC Mains oo ececccceseesesseetesteseeseseeeeseenen 10 9 SEIWICE scicen des anses ces 25 3 8 Startup x r l 10 9 1 International and Canada Service 25 4 Operation ess sees s esse ancre 11 32 US LE aaia Eaa
28. ent to the factory for service Please complete the SRA by going to www crownaudio com support factserv htm If you do not have access to our website call 1 800 342 6939 extension 8205 and we ll create the SRA for you 2 See packing instructions that follow 3 Ship product to CROWN AUDIO FACTORY SERVICE 1718 W MISHAWKA RD ELKHART IN 46517 4 Use a bold black marker and write the SRA number on three sides of the box 5 Record the SRA number for future reference The SRA number can be used to check the repair status 9 2 4 Packing Instructions Important These instructions must be followed If they are not followed Crown Audio Inc assumes no respon sibility for damaged goods and or accessories that are sent with your unit 1 Fill out and include the Crown Audio Factory Ser vice Information sheet in the back of this manual 2 Donot ship any accessories manuals cords hard ware etc with your unit These items are not needed to service your product We will not be responsibility for these items 3 When shipping your Crown product it is important that it has adequate protection We recommend you use the original pack material when returning the product for repair If you do not have the original box please call Crown at 800 342 6939 or 574 294 8210 and order new pack material See instructions for foam in place shipping pack Do not ship your unit in a wood or metal cabinet 4 lf you provide your
29. er has a high power density it has a strong magnetic field which can induce hum into unshielded devices that are located nearby The field is strongest just above and below the unit If an equipment rack is used we recommend locat ing the amplifier s in the bottom of the rack and the preamplifier or other sensitive equipment at the top FCC COMPLIANCE NOTICE This device complies with part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CAUTION Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or televi sion reception which can be determined by turn
30. igure 7 3 CTs 8200 Typical Frequency Response 1 W Figure 7 4 CTs 8200 Typical Phase Response 1 W 200 180 160 140 2 120 AS LL 100 4 S 80 O 60 40 20 0 0 1K 2K 3K 4K 5K 6K 7K 8K 9K 10K Frequency Hz Figure 7 5 CTs 8200 Typical Damping Factor vs Frequency Operation Manual page 21 C1 UU 1 CTs Multi Channel Power Amplifiers 7 Specifications 450 400 350 300 250 200 Milliohms 150 100 50 10K 15K 20K Frequency Hz O O1 A Figure 7 6 CTs 8200 Typical Output Impedance vs Frequency dB 100 1 100 10K Frequency Hz Figure 7 7 CTs 8200 Typical Crosstalk vs Frequency page 22 Operation Manual CTs Multi Channel Power Amplifiers Crouwr gt i 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 Rated Line Current Line Current Watts Load ee 120VAC 230VAC Thermal Dissipation At Idle 8 4 Ohm mode Fo 7 239 6 At Idle 70 100V mode ST n O 1 8th Power Pink Noise 8 Ohms Ch aes Typical of program material 16 Ohms Bridge oe 8 Ohms Bridge ao TTT peo ete Des leLebe bes 100V Bridge 220x2 es T e 9 oe av oi pre par Typical of progr
31. including the return shipment and all taxes duties and other customs fees for such for eign shipments HOW TO OBTAIN WARRANTY SERVICE You must notify us of your need for warranty ser vice within the warranty period All components must be shipped in a factory pack which if needed may be obtained from us free of charge Corrective action will be taken within a reason able time of the date of receipt of the defective product by us or our authorized service center If the repairs made by us or our authorized service center are not satisfactory notify us or our autho rized service center immediately DISCLAIMER OF CONSEQUENTIAL AND INCIDENTAL DAMAGES YOU ARE NOT ENTITLED TO RECOVER FROM US ANY INCIDENTAL DAMAGES RESULTING CTs Multi Channel Power Amplifiers FROM ANY DEFECT IN THE NEW CROWN PRODUCT THIS INCLUDES ANY DAMAGE TO ANOTHER PRODUCT OR PRODUCTS RESULT ING FROM SUCH A DEFECT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATIONS OF INCIDENTAL OR CONSEQUENTIAL DAM AGES SO THE ABOVE LIMITATION OR EXCLU SION MAY NOT APPLY TO YOU WARRANTY ALTERATIONS No person has the authority to enlarge amend or modify this Crown Warranty This Crown War ranty is not extended by the length of time which you are deprived of the use of the new Crown product Repairs and replacement parts provided under the terms of this Crown Warranty shall carry only the unexpired portion of this Crown Warranty DESIGN CHANGES We re
32. ing the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Operation Manual CTs Multi Channel Power Amplifiers Crouwr ni Crown International Inc DECLARATION of CONFORMITY ISSUED BY Crown International Inc FOR COMPLIANCE QUESTIONS ONLY Sue Whitfield 1718 W Mishawaka Road 574 294 8289 Elkhart Indiana 46517 U S A swhitfield crownintl com European Representative s Name and Address Nick Owen 35 Bassets Field Thornhill Cardiff South Glamorgen CF14 9UG United Kingdom Equipment Type Commercial Audio Power Amplifiers Family Name CTs Model Names CTs 4200A CTs 8200A EMC Standards EN 55103 1 1995 Electromagnetic Compatibility Product Family Standard for Audio Video Audio Visual and Entertainment Lighting Control Apparatus for Professional Use Part 1 Emissions EN 55103 1 1995 Magnetic Field Emissions Annex A 10 cm and 1 M EN 61000 3 2 1995 A14 2000 Limits for Harmonic Current Emissions equipment input current lt 16A per phase EN 61000 3 3 1995 Limitation of Voltage Fluctuations and Flicker in Low Voltage Supply Systems Rated Current lt 16A EN 55022 1992 A1 1
33. nge the position of the Mode Switch while the amplifier power is on See Section 5 2 2 for more information 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 INPUTS Connect input wiring for each channel OUTPUTS Maintain proper polarity on output connectors Connect the Channel 1 speaker s positive lead to amplifier Channel 1 positive terminal repeat for negative Repeat each channel wir ing as for Channel 1 Refer to Section 3 5 for output connector pin assignments 3 6 2 Dual 70V Mode CAUTION Never change the position of the Mode Switch while the amplifier power is on See Section 5 2 2 for more information Typical input and output wiring along with level control and Mode Switch settings are shown in Figure 3 7 Make sure the Mode switch is set to the Dual 70V position INPUTS Connect input wiring for each channel OUTPUTS Maintain proper polarity on output connectors Connect Channel 1 positive speaker load to Channel 1 positive terminal of amp repeat for negative Repeat each channel wiring as for Channel 1 Refer to Section 3 5 for output con nector pin assignments CTs Multi Channel Power Amplifiers see the Crown Amplifier Appli cation Guide available online at www crownaudio com for pin assignments f
34. nput compression 20 dBu 20 dBu Load Impedance Note Safe with all types of loads stereo 4 8 and 25 ohms 70V 4 8 and 25 ohms 70V Bridge Mono 8 16 and 50 ohms 100V 8 16 and 50 ohms 100V Voltage Gain at maximum level setting 1 4V sensitivity 4 8 Ohm Operation 20 1 26 dB 20 1 26 dB 70V Operation 50 1 34 dB 50 1 34 dB 100V Operation 71 4 1 37 dB 71 4 1 37 dB Required AC Mains model dependent 120V 60 Hz 220 230 240V 50 Hz 100V 50 60H7 120V 60 Hz 220 230 240V 50 Hz Power Draw at Idle 120VAC mains all channels in 4 8 ohm mode 70W 70W Power Draw at Idle 120VAC mains all channels in 70V mode 114W 114W Cooling Continuously variable speed forced air front to back airflow Continuously variable speed forced air front to back airflow Dimensions Width Height Depth 19 in 48 3 cm W x 3 5 in 8 9 cm H x 16 25 in 41 3 cm D 19 in 48 3 cm W x 5 25 in 13 3 cm H x 16 25 in 41 3 cm D Net Weight Shipping Weight 26 Ib 6 oz 12 kg 30 Ib 14 oz 14 kg 36 Ib 6 07 16 5 kg 47 Ib 21 3kq page 20 Operation Manual CTs Multi Channel Power Amplifiers Crouwr i 7 Specifications 7OV and 100V 8 Ohm d Ohm a O D 70V and 100V Oh a O 10 100 1K 10K 100 K 10 100 1K 10 K Frequency Hz Frequency Hz F
35. o flashes if the amplifier shuts off due to an under over voltage condition on the AC mains Power Switch Amplifier is on when the switch is in the IN position CTs 8200 HI J Operation Manual CTs Multi Channel Power Amplifiers 4 Operation Operation Manual 4 3 Back Panel Controls and Connectors Note CTs 8200 is shown Some CTs 4200 features are in different locations K AC Power Cord Connector standard IEC type 320 inlet 120V models 15 amp 220 240V models 10 amp Voltage is indicated above IEC inlet L Output Connectors One four pole terminal strip for every two chan nels with touch proof cover Accepts up to 10 AWG terminal forks To connect outputs first remove the touch proof cover plate covering the terminal strip by removing the screw which holds it in place BRIDGE MODE REQUIRES SRE se nee CONSECUTIVE CHANNEL PAIRS ON THE SAME TERMINAL STRIP ONLY WIRING e Bae e G R OUTPUTS CLASS 2 CH 2 L CH 1 IAMS AMS fcH 41 CH3 Figure 4 2 CTs 8200 back panel shown with touch proof cover removed M Accessory Panel CTs 4200 Accepts an optional IQ MC4A or VCA MC4A module CTs 8200 Accepts an optional IQ MC8 or VCA MC8 module explained in Section 5 3 1 Control Modules N Channel Level Controls One 21 position detented rotary potentiometer per channel ranging from infinity 70 dB to 0 dB attenuation Refer to Section 5 2 4 for pre cise dB attenuati
36. o transport the unit in the original factory pack A list of authorized service centers in your area can be obtained from Crown Factory Service or online from http www crownaudio com support servcent htm Operation Manual 9 2 2 Factory Service Crown accepts no responsibility for non serviceable product that is sent to us for factory repair It is the owner s responsibility to ensure that their product is ser viceable prior to sending it to the factory Serviceable product list is available at http crownweb crownintl com crownrma For more information please contact us direct A Service Return Authorization SRA is required for product being sent to the factory for repair An SRA can be completed online at www crownaudio com support factserv htm If you do not have access to the web please call Crown s Customer Service at 574 294 8200 or 800 342 6939 extension 8205 For warranty service we will pay for ground shipping both ways in the United States Contact Crown Customer Service to obtain prepaid shipping labels prior to send ing the unit Or if you prefer you may prepay the cost of shipping and Crown will reimburse you Send copies of the shipping receipts to Crown to receive reimbursement Your repaired unit will be returned via UPS ground Please contact us if other arrangements are required 9 2 3 Factory Service Shipping Instruc tions 1 Service Return Authorization SRA is required for product being s
37. of the rack should be a minimum of four inches 10 2 cm from the amplifier back panel Figure 3 2 illustrates standard amplifier airflow Figure 3 2 Airflow Operation Manual CTs Multi Channel Power Amplifiers 3 Setup A Operation Manual 3 4 Choose Input Wire and Connectors Figure 3 3 shows connector pin assignments for balanced wiring and Figure 3 4 shows connector pin assignments for unbalanced wiring When possible use balanced wiring for signal input which provides better rejection of unwanted noise and hum For more information refer to the Crown Amplifier Application Guide available online at www crownaudio com NOTE Custom wiring should only be performed by qualified per sonnel 3 5 Choose Output Wire and Connectors Crown recommends using professionally constructed high quality two or four conductor heavy gauge speaker wire and connectors You may use terminal forks or bare wire for your output connectors see Fig ure 3 5 CTs amplifier terminal strips accept up to 10 AWG terminal forks which fit over a 8 screw For best results Crown recommends Panduit part PV10 10LF L or equivalent terminal fork Screw spacing is shown in Figure 3 0 To connect outputs first remove the touch proof cover plate covering the ter minal strip by removing the screw which holds it in place To prevent the possibility of short circuits wrap or otherwise insulate exposed loudspeaker cable and connectors Also a t
38. on increments for each detent 0 Input Connectors Removable Phoenix style barrier connectors for balanced input CH 8 CH7 CH 6 e Mm AN INPUT 27 i ef ATTENUATION dB 0 dB 0 dB 0 co dB 0 DUAL BRIDGE DUAL BRIDGE ET Son i MODE SWITCH TG mame ti EDE H h INPUTS CH 3 0o dB 0 dB 0 dB 0 CH 3 CH 2 CH 1 mi CrOUJT P Mode Switch Used on each consecutive pair of channels this four position switch is used to select the ampli fiers mode of operation Dual 8 4 ohms Dual 70V Bridge Mono 16 8 ohms and Bridge Mono 100V IMPORTANT Be sure to power off the amplifier before change the Mode switch setting If this is not done the Bridge light will flash to indicate that the power must be cycled off and back on to reset the mode Q Cooling Vents Front to rear forced airflow VSN NI JAY LLS9 NI LHWH14 ANAINdINDA 9IN0419373 00 ff ain umos DUAL BRIDGE Deano al BE Pro L 0000 000000 N S rh P Q page 13 S crown 5 Advanced Features and Options page 14 NOTE For more information about these Crown amplifier features please visit the Crown web site 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 pro tect AC under over voltage protection inrush limiting and
39. or commonly CH 2 CH 1 used connector types _ BRIDGE x dB 0 G Y S Q S DUAL BRIDGE Output panel ait Ta shown with N touch proof ere cover plate CPR AE OG aCe removed JUTS pua U J buat DAL nasse ooo L oo Figure 3 6 System Wiring and Control Settings Dual Mode 8 4 Ohm BR oe a he ODE _ ch 2 CH U l E 4 S ag re Output panel 4 6g 64 A shown with touch proof 70V 16 8 8 47 r 100V pal Figure 3 7 System Wiring and Control Settings Dual Mode 70V Operation Manual CTs Multi Channel Power Amplifiers 3 Setup A 3 6 3 Bridge Mono 16 8 Mode CAUTION Never change the position of the Mode Switch while the amplifier power is on See Section 5 2 2 for more information Typical input and output wiring along with level control and Mode Switch settings are shown in Figure 3 8 Make sure the Mode switch is set to the Bridge 16 8 position INPUTS Connect input wiring only to the lower odd numbered channel pair OUTPUTS Connect the speaker across the posi tive terminals of each channel pair Do not use the negative terminals of the channel pair when the pair is being operated in Bridge Mono mode NOTE When operating the channel pair in Bridge Mono mode turn down full CCW the level control for the higher even numbered channel of the channel pair The lower odd numbered level control works both channels 3 6 4 Bridge Mono 100V Mode CAUTION Never chang
40. ouch proof cover plate which covers the terminal strips is provided to help prevent short circuits The cover plate should be reinstalled after connecting outputs Suggested below are guidelines to select the appropriate size of wire based on the distance from amplifier to speaker Check with local code as this may vary Distance Wire Size up to 25 ft 7 6 m 16 AWG 26 40 ft 7 9 12 2 m 14 AWG 41 60 ft 12 5 18 3 m 12 AWG Over 60 ft 18 3 m 10 AWG CAUTION Never connect the speaker return to the chassis of the amplifier or damage to the amplifier may result CAUTION Never use shielded cable for output wiring BALANCED LINE oO A cca SOURCE INPUT UNBALANCED LINE SHIELD aa L INPUT h gt SOURCE crown Figure 3 3 Balanced Input Connector Wiring see the Crown Amplifier Appli cation Guide available online at www crownaudio com for pin assignments for commonly used connector types Figure 3 4 Unbalanced Input Connector Wiring NOTE CTs 8200 is shown Some CTs 4200 features are in different locations BRIDGI S d DUAL DHUA i GC Nu L 1 L C L d i TTT 286 L iy l 4 0 438 11 1 mm 8 SCREW Output panel shown with touch proof cover plate removed Figure 3 5 Output Connector Wiring Typical of two channels page 7 crown 3 Setup A page 8 3 6 Wire Your System CAUTION Never cha
41. quired power at the output stage These transformers must be large to absorb the substantial waste that occurs when operating at 50 to 60 Hz standard AC supplied by the power company By contrast switching power supplies can operate with a much smaller and lighter transformer because they first convert the AC up to a much higher frequency thereby reducing waste The power supply is voltage specific allowing use in regions using 120V 60Hz 220V 50Hz 230V 50HZ 240V 50Hz and 100V 50Hz AC mains 5 2 2 Mode Switch Each consecutive pair of channels has one four position Switch that selects the amplifiers mode of operation The Switch positions are e Dual mode for 4 or 8 ohm operation e Dual mode for 70V constant voltage opera tion e Bridge Mono mode for 8 or 16 ohm opera tion e Bridge Mono mode for 100V constant voltage operation Be sure to turn off the amplifier before changing the Mode switch setting 5 2 3 Bridge Mode Indicator This yellow LED indicates when the amplifiers mode Switch is set to the Bridge position Each consecutive pair of channels has one Bridge LED Operation Manual CTs Multi Channel Power Amplifiers Crouwr i 5 Advanced Features and Options 5 2 4 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 70V 100V Control See Section 4 2 Figure 5 2 shows the amount of attenuation in
42. s the following label CAUTION To prevent electric shock do not remove covers No user serviceable parts inside Refer servicing to a qualified technician Complete the Crown Audio Factory Service Information form in the back of this manual when returning a Crown product to the factory or authorized service center The form must be included with your product inside the box or in a packing slip envelope securely attached to the outside of the shipping carton Do not send this form separately 9 1 International and Canada Service Service may be obtained from an authorized service cen ter Contact your local Crown Amcron representative or our office for a list of authorized service centers To obtain service simply present the bill of sale as proof of purchase along with the defective unit to an authorized service center They will handle the necessary paperwork and repair Remember to transport your unit in the original factory pack 9 2 US Service service may be obtained in one of two ways from an authorized service center or from the factory You may choose either It is important that you have your copy of the bill of sale as your proof of purchase 9 2 1 Service at a US Service Center This method usually saves the most time and effort Sim ply present your bill of sale along with the defective unit to an authorized service center to obtain service They will handle the necessary paperwork and repair Remem ber t
43. serve the right to change the design of any product from time to time without notice and with no obligation to make corresponding changes in products previously manufactured LEGAL REMEDIES OF PURCHASER THIS CROWN WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE No action to enforce this Crown Warranty shall be commenced after expiration of the warranty period THIS STATEMENT OF WARRANTY SUPERSEDES ANY OTHERS CONTAINED IN THIS MANUAL FOR CROWN PRODUCTS 12 01 Operation Manual 10 Warranty Operation Manual CTs Multi Channel Power Amplifiers SUMMARY OF WARRANTY Crown International 1718 West Mishawaka Road Elkhart Indiana 46517 4095 U S A warrants to you the ORIGINAL PURCHASER and ANY SUB SEQUENT OWNER of each NEW Crown1 product for a period of three 3 years from the date of pur chase by the original purchaser the warranty period that the new Crown product is free of defects in materials and workmanship and we further warrant the new Crown product regardless of the reason for failure except as excluded in this Warranty 1 Note If your unit bears the name Amcron please substitute it for the name Crown in this warranty ITEMS EXCLUDED FROM THIS CROWN WARRANTY This Crown Warranty is in effect only for failure of a new Crown product which occurred within the Warranty Period It does not cover any product which has been damaged becaus
44. style barrier connectors provide the 10VDC control voltage ground and control lines for two amplifier chan nels Thus 4 channel amplifiers use two connec tors 8 channel amplifiers use four connectors OUT ia FPI LISTEN BUS IN KUU TD E uh PRESET DATA Wall Mount level control panels for use with VCA module 1 VCAP See Figure 5 5 Used in conjunction with a VCA MC module this is a single gang panel pro viding remote volume control for one or more CTs amplifier channels The potentiometer on the panel is wired directly to one of the VCA connectors on the VCA MC 4 VCAP See Figure 5 6 This is a two gang panel providing remote volume control for four or more CTs amplifier channels The potentiometers on the panel are wired directly to the respective VCA con nector on the VCA MC Refer to the VCA MC Operation Manual for wiring of the single or multiple channel level control Your amplifier may have come with an 1Q MC or VCA MC module already factory installed or your choice of MC modules can be easily added to the amplifier by any authorized Crown Service Center Contact Crown Technical Support for more details HADEDE 1Q ADDRESS Figure 5 4 VCA MC8 Module page 16 Choosing the Right Module To order accessory modules for your amplifier please refer to the model tag located on the back panel of the amplifier for your amplifiers specific model number Then refer to the chart below to sel
45. ted 2 ohms and for excessive input levels Check for proper ventilation and proper mode switch setting Driving low impedance loads while in high voltage mode can cause overheating Open circuit due to speaker failure Pes There is a short on the amplifier CONDITION All channel thermal output First disconnect your speakers Thermal indicators are flashing Clip e Power from the affected channel s one by one Signal to determine if one of the loads is daas Shorted e Power supply thermal overload DC or excessive low frequency signal at CONDITION No input signal Fault j j j i the amplifiers output has enabled Sees Signal indicator is not flashing even though audio is applied and channel is ready speaker protection is Clip Power EX POSSIBLE REASON Signal Ready 5 Dara e Input signal level is very low Brid i si e Input cables have become disconnected CONDITION Bridge LED is flashing eO Be POSSIBLE REASON N l 7 Key C Lit e The mode switch was switched while the a power was on l E L D Flashing l off page 18 Operation Manual CTs Multi Channel Power Amplifiers Crow 7 Specifications Channels Driven SS ee ee ee e omom e f aa TI S S e S S S Fi 7 1 0 S RU yy 70V 25 Ohm at 0 1 THD Power Chart Channel Pairs Driven SSL SSS O See e TET O e e S S 100V 50 Ohm at 0 1 THD Constant Voltage full bandwidth power ratings support 100
46. vered under any of your insurance contracts This Crown Warranty also does not extend to the new Crown product if the serial number has been defaced altered or removed WHAT THE WARRANTOR WILL DO We will remedy any defect regardless of the rea son for failure except as excluded by repair replacement or refund We may not elect refund unless you agree or unless we are unable to pro vide replacement and repair is not practical or cannot be timely made If a refund is elected then you must make the defective or malfunctioning product available to us free and clear of all liens or other encumbrances The refund will be equal to the actual purchase price not including inter UNITED STATES amp CANADA est insurance closing costs and other finance charges less a reasonable depreciation on the product from the date of original purchase War ranty work can only be performed at our autho rized service centers or at the factory Warranty work for some products can only be performed at our factory We will remedy the defect and ship the product from the service center or our factory within a reasonable time after receipt of the defec tive product at our authorized service center or our factory All expenses in remedying the defect including surface shipping costs in the United States will be borne by us You must bear the expense of shipping the product between any for eign country and the port of entry in the United states
47. ys of the estimate will become the property of Crown Audio Inc 9 2 6 Payment of Non Warranty Repairs Payment on out of waranty repairs must be received within 90 days of the repair date Units unclaimed after 90 days become the property of Crown Audio Inc If you have any questions please contact Crown Factory Service Crown Factory Service 1718 W Mishawaka Rd Elkhart Indiana 46517 U S A Telephone 574 294 8200 800 342 6939 North America Puerto Rico and Virgin Islands only Facsimile 574 294 8301 Technical Support 574 294 8124 Factory Service Internet htto www crownaudio com page 25 S crown 10 Warranty page 26 SUMMARY OF WARRANTY Crown International 1718 West Mishawaka Road Elkhart Indiana 46517 4095 U S A warrants to you the ORIGINAL PURCHASER and ANY SUB SEQUENT OWNER of each NEW Crown product for a period of three 3 years from the date of purchase by the original purchaser the warranty period that the new Crown product is free of defects in materials and workmanship We further warrant the new Crown product regardless of the reason for failure except as excluded in this War ranty ITEMS EXCLUDED FROM THIS CROWN WARRANTY This Crown Warranty is in effect only for failure of a new Crown product which occurred within the Warranty Period It does not cover any product which has been damaged because of any inten tional misuse accident negligence or loss which is co

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