Page 2 - Important Precautions
1. Save the carton and packing material even if the equipment has arrived ingood condition. Should you ever needto ship the unit, use only the originalfactory packing. 2. Read all documentation before oper- ating your equipment. Retain all doc-umentation for future reference. 3. Follow all instructi...
Page 3 - Power Amplifier Owner’s Manual; Crest Audio CK Power Processing Amplifiers
Table of Contents. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Quick Set-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Installation and Mounting . . . ...
Page 4 - Front View
CKS 400 Professional Power Amplifier Off Remote O n Signal Signal ACL ACL Active Protect 4U-6.94" / 176mm CKS1200-2CKS1600-2CKV1600CKV2400 3U-5.13" / 130mm CKS800CKS800-2CKV800 2U - 3.44" / 87mm CKS100 CKV100CKS200 CKV200CKS400 CKV400 19" CKX150CKX300CKX500CKX800 1 1 2 3 4 5 6 7 Cool...
Page 5 - To set the amplifier up for basic usage:; Rack mount the amplifier in the location where it is to be used,; Installation and Mounting.; The Active LED indicates the amplifier is turned on.
Crest Audio CK Power Processing Amplifiers Page 3 Unpacking. Upon unpacking, inspect the amplifier. If you find any damage, noti-fy your supplier immediately. Only the consignee may institute aclaim with the carrier for damage incurred during shipping. Be sureto save the carton and all packing mater...
Page 6 - About CC Modules and NC Modules.
Page 4 Crest Audio CK Power Processing Amplifiers Rear Panel. Module Bays & Modules. The rear panel of CK Power Processing amplifiers provides threebays (Input, Network and Output/Power) configured to accept inter-changeable plug-in modules. Your amplifier may have been factory-configured with s...
Page 7 - Bridged Mono Mode - CKS Series Power Amplifiers.; Parallel Mode Diagram
Crest Audio CK Power Processing Amplifiers Page 5 PowerSave. All CK Power Processing amplifiers come standard with PowerSavecircuitry. This effectively reduces current draw and thermal emis-sions to a minimum when the amplifier is at idle. PowerSave oper-ates by cutting off the bias current to the o...
Page 8 - Input Module Connections and Controls.; Slide the attenuator knob off the shaft.; Input Module Jumpers.; NexSys Setup; Input Barrier Strip; Input Level; Input Module Connections and Controls Diagram.
Page 6 Crest Audio CK Power Processing Amplifiers Input Bay. Input Module Connections and Controls. I n p u t b a r r i e r s t r i p s h a v e a 0 . 3 2 5 " ( 8 . 3 m m ) c e n t e r a n d 0 . 2 7 0 "(6.9mm) lug space. For connecting to the input barrier strips, a wiregauge between 14 AWG (...
Page 9 - Situations Requiring Module Removal; Network Bay Controls/Connections Diagram.
Crest Audio CK Power Processing Amplifiers Page 7 Network Bay. Network Module Controls/Connections. CK Power Processing amplifiers come standard with a blankingpanel fixed over the Network bay. When a Network module isinstalled in this bay, network connection is made via a pair of three-pin connecto...
Page 10 - Replacing or Installing a Network Module.; Signal Ground Lift Jumper.; Com; Signal Ground; Network Module Installation Diagram.; MODULE IS NOT REMOVABLE. DO NOT
Page 8 Crest Audio CK Power Processing Amplifiers Replacing or Installing a Network Module. The amplifier must be switched off and unplugged from the ACmains supply before this operation is undertaken. Four Phillips headscrews secure the module to the chassis. The module is connectedelectrically to ...
Page 11 - TourClass; IGM Impedance Sensing.
Crest Audio CK Power Processing Amplifiers Page 9 TourClass ® Protection Features. Every model in the CK Power Processing incorporates TourClassprotection features. Derived from Crest’s extensive experience withthe world’s largest sound rental companies, the TourClass group ofcircuits sets new stand...
Page 12 - Service Information.; o f f i c e s , o r c o n t a c t C r e s t A u d i o I n c . C u s t o m e r S e r v i c e d i r e c t l y a t : T; Crest Audio may also; Modules
Page 10 Crest Audio CK Power Processing Amplifiers Service Information. For service, contact your nearest Crest Audio Service Center, Distributor, Dealer, or any of the worldwide Crest Audio o f f i c e s , o r c o n t a c t C r e s t A u d i o I n c . C u s t o m e r S e r v i c e d i r e c t l y a...
Page 13 - Appendices
Page 14 - Power figures are watts per channel, both channels driven
Appendix A Crest Audio CK Power Processing Amplifiers Appendix A - CKS Series Specifications. 50 Watts 100 Watts 200 Watts 400 Watts 400 Watts 600 Watts 700 Watts 60 Watts 120 Watts 255 Watts 440 Watts 420 Watts* 620 Watts* 715 Watts* 75 Watts 150 Watts 300 Watts 600 Watts 600 Watts 900 Watts 1100 W...
Page 17 - Appendix D - Wire Gauge Charts
Crest Audio CK Power Processing Amplifiers Appendix D Appendix D - Wire Gauge Charts Stranded Cable Lgth.(m) 2 5 10 Wire Gauge (mm 2 ) 0.30.50.751.52.54 0.50.751.52.546 0.50.751.52.546 Power Loss(8 ohm load) 2.9%1.741.160.580.350.22 4.3%2.91.450.870.550.37 8.24%5.62.91.741.090.73 Power Loss(4 ohm lo...
Page 18 - The compensation factor for transformer insertion loss is:
Appendix E Crest Audio CK Power Processing Amplifiers A distributed or constant voltage system, as shown in the figure below, usesloudspeaker step-down transformers for each speaker. The transformers aredesigned to deliver a specific power level into a specific load impedancewhen a specific voltage ...
Page 20 - Power is serious business.
Power is serious business. v. 1.9 11/26/97 © 1997 Crest Audio, Inc. Crest Audio Inc. 100 Eisenhower Dr., Paramus NJ 07652 USA TEL : 201.909.8700 FAX : 201.909.8744 http://www.crestaudio.com Printed in USA *C1000020*