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Related Manuals for Crest Audio CKd Series
Summary of Contents for Crest Audio CKd Series
- Page 2 FCC/ICES Compliancy Statement This device complies with Part 15 of the FCC rules and Industry Canada license-exempt RSS Standard(s). 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, that may cause undesired operation.
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Page 3: Important Precautions
Do not drive the inputs with a signal Service Center, Distributor, Dealer, power supply cords should be routed level greater than that required to drive or Crest Audio at (866) 812-7378 so that they are not likely to be walked equipment to full output. (USA). - Page 4 Also, please section, as well as input, fill out and return the enclosed product registration card. The CKd Series of output, and power four and eight channel Power Processing amplifiers represent new levels connection sections.
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Page 5: Installation And Mounting
Installation and Mounting Crest Audio CKd Power Processing amplifiers are configured to a standard set-up at the factory. They are functional and ready to use ‘out of the box.’ All controls and input/output connections are clearly labeled. Units are shipped either with a network module or blank panel over the module bay. -
Page 6: Requirements And Considerations
(No tools are required for filter removal) Thermal Emissions System cooling needs must be considered before installation, and the system installer/designer should specify appropriate countermeasures, such as ventilation, air conditioning, etc. CKd Series Owners Manual v1e Page 6... -
Page 7: Front Panel
Active, the unit must be set “On” or “Remote” by the front panel switch or through software control and the corresponding power supply must be Active. Individual channels can be set Active CKd Series Owners Manual v1e Page 7... -
Page 8: Fault Leds
“Standby” (Off) and the lower position is marked Remote. When switched to Remote, the amplifier must be activated by the sequential turn on/turn off (STO) circuit or NexSys or NWare software. CKd Series Owners Manual v1e Page 8... -
Page 9: Rear Panel
Each channel has a Control Voltage Input. Using a 1K Ohm potentiometer across the +/- terminals, these inputs (by default) control the volume of the corresponding amplifier channel. These inputs can be further programmed using NexSys or NWare Software. CKd Series Owners Manual v1e Page 9... -
Page 10: Side Panels
Your amplifier may have been factory configured with one of the optional modules. In this case, additional information on the relevant modules will be enclosed in the amplifier box, or in a separate binder. If all required information is not included, please call Crest Audio’s Customer Service... -
Page 11: Amplifier Operation
LowZ Mode: 4 Ohms Connect loudspeakers to the barrier strip output connectors for all channels 1 thru 8. Connections are shown in the diagram at right. Use Ferrite beads included with the unit. CKd Series Owners Manual v1e Page 11... - Page 12 “Off” pin. When the switch shorts the “On” and “Com” pins, the amplifier will turn-on. Likewise, throwing the switch and shorting the “Off” and “Com” pins turns the CKd off. See the diagram below: SPDT Switch To STO In of next amp CKd Series Owners Manual v1e Page 12...
- Page 13 “STO In” connector on the second amplifier. Repeating this wiring scheme with subsequent amplifiers allows entire systems of CKd’s to be wired for STO. Amp 3 Amp 4 CKd Series Owners Manual v1e Page 13...
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Page 14: Tourclass® Protection Features
CKd Owner’s Manual TourClass® Protection Features Every model in the CKd Power Processing line incorporates Crest Audio’s TourClass protection features. Derived from Crest’s extensive experience with the world’s largest sound rental companies, the TourClass group of features sets new standards in load and amplifier protection. -
Page 15: Module Bay
Network bay. The amplifier must not be operated without a Network module or blank panel in place. Service or Technical Inquiries For Crest Audio service, parts or technical assistance, please call our toll free customer service number: 866.812.7378. NexSys Module Basics and Installation... -
Page 16: Module Installation
4. Slide the module into the bay, and fasten it to the CKd’s chassis with the screws removed in Step #1. CKd Series Owners Manual v1e Page 16... -
Page 17: Nexsys Modules
The RJ-45 connector allows connection of the Ci amplifier to an Ethernet network. The jack accommodates a standard male RJ-45 connector. Data & Link LEDs The Data LED will flash when data packets are being sent or received by the module. CKd Series Owners Manual v1e Page 17... -
Page 18: Network Examples
Additionally, creative use of the High and Low Values in the Amp ID can provide even more information about an amplifier. Since the two values can be adjusted independently, the High Value could CKd Series Owners Manual v1e Page 18... -
Page 19: Condition Monitoring
“C” for degrees Celsius.To change the units that the temperature is displayed in, press the Select button. AC Line Voltage Use the Function button to choose AC Voltage. The AC line voltage will be displayed. CKd Series Owners Manual v1e Page 19... - Page 20 10 = (1*ten) + (0*one) = ten Likewise, other decimal values: = (3*10) + (5*1) = 30 + 5 = 35 = (5*100) + (2*10) + (8*1) = 500 + 20 + 8 CKd Series Owners Manual v1e Page 20...
- Page 21 If we use our example of “10” again, the “1” is worth sixteen, so the number represented in this case is sixteen. Approaching “10” with the above method in hex: 10 = (1*sixteen) + (0*one) = sixteen CKd Series Owners Manual v1e Page 21...
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Page 22: Wire Gauge
8.24% 5.5% 6.2% 11.9% 0.75 10.8 19.9 14.6 10.8 1.74 1.60 1.09 1.74 1.01 0.73 1.09 0.60 1.20 meters 0.75 15.5% 0.73% feet 11.9% 15.5 14.6 18.2 17.8 12.0 11.8 1.31 1.20 CKd Series Owners Manual v1e Page 22... - Page 23 CH6 Mute LED: Fan Fault CH7 Mute LED: Audio CoDec Voltage Fault CH8 Mute LED: ADC Rail Monitor Fault Please note: When both PS1 and PS2 are blinking simultaneously, a Device Fault occurred. CKd Series Owners Manual v1e Page 23...
- Page 24 Fault LED will light, the channel will shutdown and not pass audio. The channel will try to recover from the fault and activate automatically. The following items are recognized as Channel Faults: Over Current Fault Full limiter attenuation Thermal Initialization CKd Series Owners Manual v1e Page 24...
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Page 25: Constant Voltage
IGM protection circuits engage, reducing gain in order to protect the amplifier. and V is the distributed line voltage. So, for a 70.7 volt line, Z = (70.7)2 / P Z = 5000/ P CKd Series Owners Manual v1e Page 25 p.36... - Page 26 Over‐temperature, incorrect loads, short‐circuit, over‐current, therma Power Supply Protection (PS1 channels 1‐4, PS2 channels 5‐8) DC, subsonic, Rail Voltage, Bias Voltage Unit Protection (device fault) Over/Under AC Voltage, Fan operation, DC Voltage Fault Connectors Input: Eight 3‐position Euro‐style detachable terminal blocks Output: Four 4‐position barrier strip terminal blocks with screws Construction 14‐gauge aluminum reinforced chassis with 12‐gauge steel rack ears Dimensions Height: 3.48" (8.84 cm), 2 EIA rack spaces Width (front): 19.00" (48.26 cm) Width (rear): 17.25" (43.82 cm) Overall depth: 20.30" (51.56 cm) Mounting depth: 19.70" (50.04 cm) behind front rack ears Gross Weight 29.6 lbs (13.43 kg) Net Weight 34.6 lbs (15.7 kg) Power Requirements 120 VAC 60 Hz or 230 VAC 50 Hz Warranty 5 Years * repetitive 1kHz cycles 50ms onset of clip and 50ms at 1/8 power CKd Series Owners Manual v1e Page 26...
- Page 28 Warranty registration and information for U.S. customers available online at www.peavey.com/warranty or use the QR tag below Features and speci cations subject to change without notice. Crest Audio 5022 HWY 493 N. Meridian, MS 39305 (601) 483-5365 FAX (601) 486-1278 Logo referenced in Directive 2002/96/EC Annex IV (OJ(L)37/38,13.02.03 and defined in EN 50419: 2005...