Resumo do conteúdo contido na página número 1
I-Tech HD Series
I-T5000 HD
PRELIMINARY
Operation Manual
I-T9000 HD
I-T12000 HD
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 i
Resumo do conteúdo contido na página número 2
I-Tech HD Series Power Amplifi ers The I-Tech Series amplifi ers are certifi ed only Important Safety Instructions Wichtige Sicherheitsinstruktionen at 120V in Canada. Importantes Instructions de Sécurité Instrucciones de Seguridad Importantes IMPORTANT I-Tech Series amplifi ers require Class 2 output wiring. Les amplifi cateurs de série de I-Tech exigent des câbles de sortie de 1. Read these instructions. TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR 2. Keep these instructions. BOTTOM COVE
Resumo do conteúdo contido na página número 3
I-Tech HD Series Power Amplifi ers Crown International, Inc. DECLARATION of CONFORMITY FOR COMPLIANCE QUESTIONS ONLY: Sue Whitfi eld ISSUED BY: Crown International, Inc. 574-294-8289 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: Commercial Audio Power Amplifi ers Family Name: I-Tech HD Model Names: I-T5000HD, I-T9000HD, I-T12000HD EM
Resumo do conteúdo contido na página número 4
I-Tech HD Series Power Amplifi ers Table of Contents Important Safety Instructions ............................................................ 2 4.6 Digital Audio Options (AES/EBU) ............................................ 26 Declaration of Conformity .................................................................. 3 4.7 Networking the Amplifi er ......................................................... 26 Table of Contents ........................................................
Resumo do conteúdo contido na página número 5
I-Tech HD Series Power Amplifi ers 20 Hz - 20 kHz I-T5000HD Power 2-ohm Dual (per ch.) 1,800W 4-ohm Dual (per ch.) 2,000W 8-ohm Dual (per ch.) 1,250W 4-ohm Bridge 3,600W 8-ohm Bridge 4,000W 20 Hz - 20 kHz Power refers to guaranteed minimum power in watts with 0.35% THD. 1 Welcome ® The Crown I-Tech HD Series offers amazing � Onboard high-defi nition DSP with 24-bit, � Light weight due to aluminum chassis, 20 Hz - 20 kHz I-T9000HD Power power, light weight and ease of us
Resumo do conteúdo contido na página número 6
I-Tech HD Series Power Amplifi ers 2 Setup When using an equipment rack, mount units 2.1 Unpack and Install Your CAUTION: Before you begin, make sure directly on top of each other. Close any open Amplifi er your amplifi er is disconnected from the spaces in rack with blank panels. DO NOT block power source, with the power switch in Please unpack and inspect your amplifi er for front or rear air vents. The side walls of the rack the “off” position and all level controls any damage that may h
Resumo do conteúdo contido na página número 7
I-Tech HD Series Power Amplifi ers 2 Setup 2.2 Connecting to AC Mains 2.3 Wire Inputs and Outputs WARNING: The third (ground) prong of the supplied AC power 2.3.1 Wiring basics cord connector is a required safety feature. Do not attempt to disable this ground connection by using an adapter or other � Always use shielded wire for input wiring. The higher the density of the methods. shield (the outer conductor) the better. Spiral wrapped shield is not recom mended. Amplifi ers don’t create ener
Resumo do conteúdo contido na página número 8
I-Tech HD Series Power Amplifi ers 2 Setup 2.3.2 Choose Input Wire and Connectors Crown recommends using pre-built or professionally wired, bal anced line (two-conductor plus shield), 22-24 gauge cables and connectors. Use 3-pin male XLR connectors. Unbalanced line may also be used but may result in noise over long cable runs. Figure 2.5 Figure 2.6 Unbalanced Analog Input Connector Wiring Balanced Analog Input Connector Wiring or Figure 2.5 shows connector pin assignments for balanced analog
Resumo do conteúdo contido na página número 9
I-Tech HD Series Power Amplifi ers 2 Setup 2.3.4 Stereo Mode Wiring Typical input and output wiring is shown in Figure 2.9. IMPORTANT: Turn off the amplifi er and unplug its power cord. INPUTS: Choose one of these options: � Connect analog input wiring for both channels. � Connect an AES/EBU digital signal to the AES/EBU connector. OUTPUTS: Maintain proper polarity (+/–) on output connectors. Use Class 2 output wiring. Figure 2.9 shows how to wire stereo speakers to the binding posts. Figure 2.9
Resumo do conteúdo contido na página número 10
I-Tech HD Series Power Amplifi ers 2 Setup 2.3.5 Bridge-Mono Mode Overview: Turn on the amp, enable Bridge-Mono mode using the LCD Control Screen, turn off the amp, wire it, and turn it back on. 1. Be sure that no cables are connected to the amplifi er. Turn on the front-panel power switch. The LCD Control Screen will light up (Figure 2.12). 2. Under the LCD Control Screen, press the Menu/Exit button. Press the Next button until you see OUTPUT MODE on the screen. If N/A is displayed, OUTPUT MO
Resumo do conteúdo contido na página número 11
I-Tech HD Series Power Amplifi ers 3 Operation 3.1 Protecting Your Speakers 3.2 Startup Procedure 2. Use care when making connections, selecting signal sources and controlling the output level. The load you save may be your own! When fi rst turning on your amplifi er, follow the procedures in the It’s wise to avoid clipping the amplifi er signal. Not only does clipping sound bad, it can damage high-frequency drivers. To prevent clipping, Quick-Start Guide on page 4 (stereo) or page 5 (bridge-mono
Resumo do conteúdo contido na página número 12
I-Tech HD Series Power Amplifi ers 3 Operation 3.4 Front Panel Controls and Indicators D. USB 2.0 Connector H. Level Controls (Encoders) M. Ready Indicator Accepts a USB drive to transfer presets from the Speed-sensitive, 0.5 dB steps, range 0 to –100 dB. Green LED, one per channel, illuminates when the Many of these functions can be disabled using drive to the amplifi er DSP, and vice versa. These two knobs affect the Channel-1 and channel is initialized and ready to produce audio Channel-2
Resumo do conteúdo contido na página número 13
I-Tech HD Series Power Amplifi ers 3 Operation 3.5 Back Panel Controls, Indica tors These two connectors accept 2-pole or 4-pole H. MAC Address M AES/EBU Digital Loop-through Output ® and Connectors Male XLR active/re-clocked AES/EBU digital loop-through. Speakon connectors. See Figures 2.5 through This specifi c amplifi er’s network identifi er that is burned into its 2.10 and Tables 1, 2 and 3 for connector wiring. The signal at this connector duplicates the digital input fi rmware. ® signal for
Resumo do conteúdo contido na página número 14
I-Tech HD Series Power Amplifi ers 4 Advanced Operation 4.1 Advanced Operation Table of Contents.......14 4.2 Navigating the LCD Control Screen ................... 15 4.8.3 Levels and Indicators .....................................................27 4.2.1 Introduction ...................................................................15 4.8.4 Input Signal Router ........................................................28 4.2.2 Basic Selections ...............................
Resumo do conteúdo contido na página número 15
I-Tech HD Series Power Amplifi ers 4 Advanced Operation MENU TREE Attenuation - Mute - Lockout 4.2 Navigating the LCD Control Screen ALL MENUS: Next/Previous loops Menu Tree 4.2.1 Introduction Menu button As a handy reference, Figure 4.2 shows the menu The LCD Control Screen and its controls let you confi gure the structure of the LCD control screen. Starting from Prev to ampli fi er and access many features that before were available only Next Prev Sample Rate
Resumo do conteúdo contido na página número 16
I-Tech HD Series Power Amplifi ers 4 Advanced Operation Operation Examples 4.2.2 Basic Selections Mute/Unmute (in the Attenuation screen) � To mute either channel: Press and hold an Encoder knob for Opening Screen: On power-up, the LCD Control Screen dis plays the 1 second. The display will alternate between MUTE and the attenua tion Operation Example 1 Crown logo. After a few seconds, the fi rmware version appears, then the level. While the amplifi er is muted, you can adjust attenuation for
Resumo do conteúdo contido na página número 17
I-Tech HD Series Power Amplifi ers 4 Advanced Operation Sample Rate: Starting from the Attenuation screen, press Menu/Exit to go Amp Mode: This screen lets you set up the amplifi er for Dual, Input Y or Presets: A preset is a group of DSP and amplifi er settings for a particular Bridge Mono mode. Turn an Encoder knob to choose among those three to the Sample Rate screen. The sample rate of the amplifi er’s DSP is displayed. speaker system. Turn an Encoder to view Presets 1 through 50. To recall
Resumo do conteúdo contido na página número 18
I-Tech HD Series Power Amplifi ers 4 Advanced Operation Attenuator Limits: You can set the maximum attenuation from 0 dB to Analog Source Select: Turn the left Encoder knob to select Analog 1, AES Input Trim: Turn the left Encoder knob to vary the gain of the AES digital –100 dB. This feature allows you to set a limit on the attenua tors. Once set, Analog 2, or Analog 1+2 signals for Channel 1. The right Encoder does the signal for Channel 1: -100.0 dB to +20 dB. The right Encoder does the sa
Resumo do conteúdo contido na página número 19
I-Tech HD Series Power Amplifi ers 4 Advanced Operation Bandpass Gain: In each channel of the I-Tech HD’s DSP, just before the LED Meter Display Type : Here you can set the LCD bar meters to display Pink Noise Generator: Press an Encoder knob to turn on the generator. Its output limiter and after the preceding fi lter, is a gain block (not shown on the average or peak levels. Turn an Encoder knob to select the option, then press level will read –100 dB. Adjust the noise level from –100 dB to +2
Resumo do conteúdo contido na página número 20
I-Tech HD Series Power Amplifi ers 4 Advanced Operation 4.2.4 MONITOR MENU AC Voltage: This shows the AC line voltage at the AC cord inlet to the When an error occurs, the count displayed in this screen is incremented, and amplifi er. the operat ing time since the error is displayed. This menu lets you monitor the status of the amplifi er. Starting from the Attenuation Screen, press Menu, then press Prev four times. Or, starting from AC Voltage AC Voltage To clear this screen, press a
