Crown COMTECH DRIVECORE CT 475 user manual

User manual for the device Crown COMTECH DRIVECORE CT 475

Device: Crown COMTECH DRIVECORE CT 475
Category: Computer Hardware
Manufacturer: Crown
Size: 6.28 MB
Added : 4/6/2014
Number of pages: 28
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Abstracts of contents
Summary of the content on the page No. 1

ComTech DriveCore Operation Manual
CT 475
CT 4150
CT 875
CT 8150
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 situa tion
which may arise during installation, op

Summary of the content on the page No. 2

CT Power Amplifiers Important Safety Instructions Wichtige Sicherheitsinstruktionen Importantes Instructions de Sécurité Instrucciones de Seguridad Importantes IMPORTANT CT Series amplifiers require Class 2 output wiring. Les amplificateurs de série de CT exigent des câbles de sortie de 1. Read these instructions. TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR 2. Keep these instructions. BOTTOM COVERS. NO USER SERVICEABLE PARTS INSIDE. classe 2. 3. Heed all warnings. REFER SERVICING TO QUALI

Summary of the content on the page No. 3

CT Power Amplifiers CT Power Amplifiers DECLARATION of CONFORMITY ISSUED BY: Harman International 1718 W. Mishawaka Road Elkhart, Indiana 46517 U.S.A. European Representative’s Name and Address: David Budge 10 Harvest Close Yateley GU46 6YS United Kingdom Equipment Type: Power Amplifiers Family Name: CT series Model Names: CT8150, CT875, CT4150, CT475 EMC Standards: EN 55103-1:1997 Electromagnetic Compatibility – Product Family Standard for Audio,

Summary of the content on the page No. 4

CT Power Amplifiers Table of Contents 13.1 Protection Systems .........................................14 Important Safety Instructions ......................................2 13.1.1 Thermal Indicator ....................................14 Declaration of Conformity ...........................................3 13.1.2 Fault .......................................................14 1 Welcome .........................................5 13.1.3 High-Pass

Summary of the content on the page No. 5

CT Power Amplifiers CT Power Amplifiers 3 Features 1 Welcome 2 How to Use This • 4 channel or 8 channel (4 inputs with 4 ® Manual Crown ComTech DriveCore™ amplifiers provide state-of-the-art outputs or 8 inputs with 8 outputs) technology for installed sound applications. The ComTech amplifiers This manual provides you with the necessary provide noiseless operation and small footprint with excellent quality and • Single rack space information to safely and correctly set up and performance

Summary of the content on the page No. 6

CT Power Amplifiers 4 Setup 4.1 Unpack Your Amplifier 4.2 Install Your Amplifier 4.3 Ensure Proper Cooling Please unpack and inspect your amplifier for CAUTION: Before you begin, make sure When using an equipment rack, mount units any damage that may have occurred during your amplifier is disconnected from the directly on top of each other. Close any open transit. If damage is found, notify the power source and that all level controls spaces in the rack with blank panels. DO NOT transpor t

Summary of the content on the page No. 7

CT Power Amplifiers CT Power Amplifiers 4 Setup 4.4 Choose Input Wire 4.5 Choose Output Wire and and Connectors Con nector s Crown recommends using pre-built or Crown recommends using professionally professionally wired balanced line (two- constructed, high quality, two-conductor, heavy conductor plus shield). Balanced wiring provides gauge speaker wire and connectors. Use 2-pin better rejection of unwanted noise and hum but Phoenix-type connectors (Included with the unbalanced line ma

Summary of the content on the page No. 8

DRIVECORE AMPLIFIER DRIVECORE AMPLIFIER DRIVECORE AMPLIFIER DRIVECORE AMPLIFIER DRIVECORE AMPLIFIER CT Power Amplifiers 4 Setup 4.7 Connect to AC Mains Connect your amplifier to the AC mains power source 4.6 Wire Your System (power outlet) with the supplied AC power cordset. First, 2. The input for a channel can be routed to the next Before you wire your system, you must be famil

Summary of the content on the page No. 9

CT Power Amplifiers CT Power Amplifiers 4 Setup 5 Precautions Your amplifier is protected from internal and external 4.8 Startup Procedure faults, but you should still take the following Use the following procedure when first turning on your precautions for optimum performance and safety: amplifier: 1. Before use, your amplifier first must be configured for proper operation, including input and output 1. Turn down the level of your audio source. wiring hookup. Improper wiring can result in

Summary of the content on the page No. 10

CT Power Amplifiers 6 Front Panel 12 56 4 3 9 78 1. Fault Indicator 3. Clip Indicator 5. Ready Indicator 7. Data Indicator • Red LED • Red LED • Green LED • Yellow LED (not functional in analog version) • One per output channel • One per output channel • One per input channel • Indicates network activity • Flashes when the amplifier output channel has • Illuminates when the channel is at the threshold • Illuminates when the channel is ready for signal • Reserved for future releases (Lite and DSP

Summary of the content on the page No. 11

CT Power Amplifiers CT Power Amplifiers 7 Back Panel 12 34 56 5 6 7 1. AC Power Inlet 4. Amp Configuration DIP Switches (see Amp 5. Amp Input Connectors Status/Configuration in section 10.2) • Standard IEC type 320 inlet for detachable • 3-pin block connector can be used per input connector • Switches 1-5 turn specific settings on and off: • High impedance balanced -70 Hz HPF (High Pass Filter • 100-240V 6. Channel Level Controls - see Section 8.1) 2. Reset Button/Breaker • One 21-position

Summary of the content on the page No. 12

CT Power Amplifiers 8 Amp Configuration 9 Operating Modes 8.1 70Hz HPF (High Pass Filter) DriveCore Amplifiers can work in a variety of Is green mode power modes. NO Full Power On the back panel, one 2-position high-pass filter DIP switch on? switch will only allow signals above 70Hz to be 9.1 Normal Y amplified. This is to prevent transformer saturation. E The amplifier automaticaly operates full output power. The HPF, when turned on, is activated for all channels. S The filter i

Summary of the content on the page No. 13

CT Power Amplifiers CT Power Amplifiers 10 Auxiliary Port 11 Input Routing 10.1 Deep Sleep This amplifier can route a single channel to the next numbered channel. In deep sleep mode, the amp consumes less than 1 watt of power. It is activated via the AUX port with a In CT 475 and CT 4150, DIP switches 6-9 are ground closure. non-functional. To bring the amplifier out of deep sleep, remove the When a DIP switch is set to “on” for a specific channel, ground closure via the AUX port. it sends

Summary of the content on the page No. 14

CT Power Amplifiers 13 Advanced Features 14 Accessories 14.1 XFMR 4/8 13.1 Protection Systems 13.1.7 Auto-Standby The ComTech DriveCore amplifier is only capable of Your Crown amplifier provides extensive protection If amplifier does not see input signals for a period of 30 low Z applications. It is necessary to use an outboard and diagnostic capabilities, including thermal level minutes, the amplifier will go into standby mode. The transformer for Hi-Z applications. Crown highly control,

Summary of the content on the page No. 15

CT Power Amplifiers CT Power Amplifiers FLASHING 15 Troubleshooting CONDITION: Thermal indicator is flashing 15.1 Power Indicator POSSIBLE REASON OFF • Amplifier has become too hot to operate. Allow amplifier to cool. Amplifier will not pass audio if amplifier has CONDITION: Power indicator is OFF. become too hot POSSIBLE REASON • The amplifier has lost AC power. • The amplifier’s Power switch is off. 15.4 Clip Indicator • The amplifier is not plugged into the power receptacle. ON or FL

Summary of the content on the page No. 16

CT Power Amplifiers 16 Specifications Performance CT475 CT4150 CT875 CT8150 Channels 4 4 8 8 Sensitivity 1.4V* 1.4V* 1.4V* 1.4V* 75W per channel 125W per channel 75W per channel 125W per channel Rated Power Output into 8/4 ohms into 8/4 ohms into 8/4 ohms into 8/4 ohms Signal to Noise Ratio (below rated power 20Hz to 20kHz, A-Weighted) 110 dB 110 dB 110 dB 110 dB Total Harmonic Distortion (THD) (full rated power, 1kHz) < 0.05% < 0.05% < 0.05% < 0.05% Intermodulation Distortion (from 0dB do

Summary of the content on the page No. 17

CT Power Amplifiers CT Power Amplifiers 17 AC Power Draw and Thermal Dissipation AC Power Draw and Thermal Disspation: Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz. Typical line impedance used. Measurements made with 120/240 VAC mains.

Summary of the content on the page No. 18

CT Power Amplifiers 17 AC Power Draw and Thermal Dissipation AC Power Draw and Thermal Disspation: Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz. Typical line impedance used. Measurements made with 120/240 VAC mains.

Summary of the content on the page No. 19

CT Power Amplifiers CT Power Amplifiers 17 AC Power Draw and Thermal Dissipation AC Power Draw and Thermal Disspation: Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz. Typical line impedance used. Measurements made with 120/240 VAC mains.

Summary of the content on the page No. 20

CT Power Amplifiers 17 AC Power Draw and Thermal Dissipation AC Power Draw and Thermal Disspation: Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz. Typical line impedance used. Measurements made with 120/240 VAC mains.


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