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Содержание Crown I-T12000 HD

Страница 1: ...ormation 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...

Страница 2: ...E MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN READILY OPERABLE POUR D MONTER COMPL TEMENT L QUIPEMENT DE L ALIMENTATION G N RALE D MONTER LE C BLE D ALI MENTATION DE SON R CEPTACLE LA PRISE D ALI...

Страница 3: ...atibility Product Family Standard for Audio Video Audio Visual and Entertainment Lighting Control Apparatus for Professional Use Part 2 Immunity EN 61000 4 2 2001 Electrostatic Discharge Immunity Envi...

Страница 4: ...Table of Contents 14 4 2 Navigating the LCD Control Screen 15 4 3 Presets 23 4 4 File Transfer Via the USB Port 24 4 5 List of Pop Up Boxes and Descriptions 25 4 6 Digital Audio Options AES EBU 26 4...

Страница 5: ...with Ready Signal Clip Thermal and Fault for each channel AC mains indicator in power switch glows green when AC power is present Front panel USB connector accepts a USB drive to transfer presets from...

Страница 6: ...wn counterclock wise Use a standard 19 inch 48 3 cm equipment rack EIA RS 310B See Figure 2 1 for ampli fier dimensions You may also stack amps without using a cabinet NOTE When transporting amplifier...

Страница 7: ...cord 2 3 Wire Inputs and Outputs 2 3 1 Wiring basics Always use shielded wire for input wiring The higher the density of the shield the outer conductor the better Spiral wrapped shield is not recom me...

Страница 8: ...onally wired high quality two or four conductor heavy gauge speaker wire and connectors Use Class 2 output wiring You may use a 4 pole Speakon connector Figure 2 7 or banana plugs spade lugs or bare w...

Страница 9: ...1 and Figure 2 10 Wire one Speakon cable connector to two speakers Insert the Speakon cable connector into the amplifier s top Speakon connector Method 2 Table 2 and Figure 2 11 Plug the Channel 1 spe...

Страница 10: ...h maximum attenuation 4 IMPORTANT Turn off the amplifier and unplug its power cord INPUTS There are three ways to connect an input signal to the amplifier Figure 2 13 Connect an analog signal source t...

Страница 11: ...ing strong subsonic signals to the amplifier High level low frequency signals from breath pops or dropped micro phones can blow out drivers To prevent subsonic signals use one of these methods Insert...

Страница 12: ...ator also will illuminate dur ing Thermal Level Control TLC limiting The Clip Indicator can be turned of during Blackout mode H Level Controls Encoders Speed sensitive 0 5 dB steps range 0 to 100 dB T...

Страница 13: ...d NL4 one per channel Class 2 output wiring required These two connectors accept 2 pole or 4 pole Speakon connectors See Figures 2 5 through 2 10 and Tables 1 2 and 3 for connector wiring The top Spea...

Страница 14: ...Preset Manager 36 4 8 18 Signal Generator 37 4 8 19 Fixed Gain Mode in the I Tech HD 38 4 2 Navigating the LCD Control Screen 15 4 2 1 Introduction 15 4 2 2 Basic Selections 16 4 2 3 Advanced Menu 17...

Страница 15: ...y Changes Disabled MENU TREE Attenuation Mute Lockout Menu button Sample Rate Analog Input Sensitivity Presets Amp Mode Locate ADVANCED MENU press knob once to access these items Attenuator Limits Att...

Страница 16: ...u with the front panel buttons press Next and Prev simultaneously To lock or unlock the menu with System Architect software go to the Tools Menu Display Screen Security and press the lockout button If...

Страница 17: ...It can be modified only in System Architect software because all of the FIR filter settings will need to be recalculated as a result of the change Please refer to its Help files When you route a Cobra...

Страница 18: ...those options then press the knob to save your choice INDEPENDENT Attenuator Link Turn to Set Press to Save Analog Digital Input Sources Analog Source Select Turn the left Encoder knob to select Anal...

Страница 19: ...kout is enabled an Encoder press turn will reactivate the display If no button is pressed turned for 5 seconds the display will return to blackout mode 0 0 Bandpass Gain 0 0 dB Output Polarity Press e...

Страница 20: ...rating Time This displays the number of hours the amplifier has been on since manufacture Like a car s odometer it shows the total amount of operating hours and cannot be reset All I Tech HD amplifier...

Страница 21: ...error report ing and set its limits Exit To exit the Alert Menu and go to the Attenuation screen press Menu Exit once 0 Low Limit Load Errors 0 0 Hrs 0 0 Hrs 0 Last 0 High Limit Load Errors 0 0 Hrs 0...

Страница 22: ...ncoder knob to access the CobraNet Menu selections See Section 9 2 and the System Architect Help files for more on CobraNet Cobranet Menu Cobranet Menu Push knob for cnet menu CobraNet Information Thi...

Страница 23: ...ol Screen Preset 1 is the factory default preset and cannot be overwritten It sets up the amplifier for stereo operation with no DSP The I Tech HD amplifier works with two types of presets 1 User pres...

Страница 24: ...and 4 3 3 How to transfer a file from the amplifier to a USB flash drive 1 Plug the flash drive into the amplifier s USB port on the front panel 2 The amplifier goes into File Mode and is muted 3 The...

Страница 25: ...ting problem Try to create a new device file Loading the preset or device file from the USB device failed This could be due to the format or contents of the file Loading the preset or device file from...

Страница 26: ...h devices that are on the same physical network segment as the computer it is running on It will not work through a router Select Network Card The first page of the wizard lists all the network adapte...

Страница 27: ...Level Controls set the input signal level of each channel Each channel can be muted and both faders can be linked with the Link button Input Signal Level Meter The measure ment range is from 0dBFS to...

Страница 28: ...gnal has no audio but is sending a clock signal Digital with Analog Override The input takes the digital signal as its source If the analog signal level is greater than an Analog Signal Detect Thresho...

Страница 29: ...tivity to determine how much gain is provided See Section 4 8 20 for more details 4 8 6 CobraNet Advanced Settings In the CobraNet Advanced Settings screen you can set the parameters shown here Indica...

Страница 30: ...lliseconds to 10 seconds Compression Ratio Sets the compression ratio of the compressor The ratio is the relation between the amount of attenuation applied by the compressor verses the amount that the...

Страница 31: ...st channel equalization at up to 16 frequencies You can select filter type frequency gain and bandwidth in octaves or Q as set by the user preferences in System Architect Changes to the equalizer s fr...

Страница 32: ...e limited to one per bandpass However if the High Pass of Channel 1 and Low Pass for Channel 2 are set to identical slopes and frequencies you can use FIR on all the bandpasses The logic for this oper...

Страница 33: ...hreshold Sets the average power level in watts which the limiter will allow from the amplifier channel The range is from 10 watts to 10 000 watts This level should be set to the connected loudspeaker...

Страница 34: ...e voltage can be monitored and an error generated whenever the voltage is outside of the limits set by the soft ware Fan Using the ON button you can enable reports of any fan errors Continuous Load Mo...

Страница 35: ...ttenuator limit below 3 dB unless you decrease the attenuator level Blackout Mode This button lets you blackout the front panel display until you press a front panel button or turn an Encoder This fea...

Страница 36: ...ter name describing its function which is also stored in memory The Store Preset Control saves the current setting to the specified preset The Recall Preset Control recalls the specified preset settin...

Страница 37: ...on or off Noise Type Selects full spectrum white noise or pink noise Noise Level Sets the noise level with a fader The sine wave signal generator lets you mix a single tone into the audio signal Its c...

Страница 38: ...in Settings in the I Tech HD 4 8 19 Fixed Gain Mode in the I Tech HD Fixed gain mode makes any I Tech HD model have the same gain regardless of output power To do that fixed gain mode sets the Analog...

Страница 39: ...r is becoming too hot for safe operation Allow amplifier to cool Check for loads less than 2 ohms and for excessive input levels Check for proper ventilation CONDITION Fault indicator is flashing POSS...

Страница 40: ...REASON Cable between computer and amplifier is bro ken or not connected Note Data indicator flashes only when the amplifier is polled for data or is polled to see whether it is online CONDITION Yellow...

Страница 41: ...or 21 dBu depending on setting of maximum input level 15 dBu or 21 dBu depending on setting of maximum input level 15 dBu or 21 dBu depending on setting of maximum input level Latency 1 16 mS at 48 kH...

Страница 42: ...mains voltage 277VAC AC Line Connector USA UK European Australia India USA UK European Australia India USA UK European Australia India Construction I T5000HD I T9000HD I T12000HD Ventilation Flow thro...

Страница 43: ...I Tech HD Series Power Amplifiers Operation Manual page 43 Figure 6 1 Typical Frequency Response 1W Figure 6 2 Typical Crosstalk vs Frequency 6 Specifications Charts...

Страница 44: ...Operation Manual I Tech HD Series Power Amplifiers page 44 Figure 6 3 Typical Damping Factor vs Frequency 6 Specifications...

Страница 45: ...0 8 0 95 0 9 53 182 157 Idle awake 1 6 1 4 1 3 172 587 505 1 8th Power Pink Noise 8 Ohms Ch Typical of program material 16 Ohms Bridge just at clip 4 Ohms Ch 8 Ohms Bridge 2 Ohms Ch 4 Ohms Bridge 1 3...

Страница 46: ...0 1 0 0 95 60 205 177 Idle awake 2 1 1 7 1 6 225 767 660 1 8th Power Pink Noise 8 Ohms Ch Typical of program material 16 Ohms Bridge just at clip 4 Ohms Ch 8 Ohms Bridge 2 Ohms Ch 4 Ohms Bridge 1 3rd...

Страница 47: ...1 1 1 0 62 212 183 Idle awake 2 0 1 8 1 6 213 726 625 1 8th Power Pink Noise 8 Ohms Ch Typical of program material 16 Ohms Bridge just at clip 4 Ohms Ch 8 Ohms Bridge 2 Ohms Ch 4 Ohms Bridge 1 3rd Pow...

Страница 48: ...the amplifier s weight Typical non switching power supplies require large heavy transformers in order to produce the required power at the output stage These transformers must be large to operate at 5...

Страница 49: ...switch which is something like an audio Y cable or distribu tion amp The computer and all the audio devices connect to the switch as in Figure 9 1 HiQnet protocol lets you control and monitor cer tain...

Страница 50: ...s is the network ID For example if the subnet mask is 255 255 0 0 and the IP address is 192 168 0 127 the network ID is 192 168 IP Router To communicate between different networks you need an IP Route...

Страница 51: ...he same as for Ethernet 100 meters over CAT 5 copper cable 2 kilometers over multimode fiber Proprietary Fast Ethernet via single mode fiber networks can reach even further 9 2 2 Audio Specs Sample ra...

Страница 52: ...twork That is the Conductor is the master clock for the rest of the network You choose one device to be the network conductor based on a priority scheme The Conductor indicator will light on the Cobra...

Страница 53: ...ssary with I Tech amplifiers and can in fact degrade performance The attenuation adjustment should only be used for small 3 dB or tempo rary adjustments in amplifier gain Instead set the sensitivity g...

Страница 54: ...thorization SRA is required for product being sent 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...

Страница 55: ...ive 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...

Страница 56: ...t 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 aut...

Страница 57: ...__________________________ E mail address ___________________________________________ Phone include area code ___________________________ Fax __________________________________ MODEL SERIAL PURCHASE D...

Страница 58: ...Operation Manual I Tech HD Series Power Amplifiers page 58 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 59: ...r equipment in your system _________________________________________________________________________________________________________________________________________________________ If warranty is expi...

Страница 60: ......

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