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Crown Vrack Operation Manual

Itech-hd series
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Operation Manual

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
installation, operation or maintenance.
The information 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 website at www.crownaudio.com.
Trademark Notice: Crown, Crown Audio, IQ, BCA, and Amcron are registered trademarks of Crown International. HiQnet is a trademark of
Harman International Industries, Inc. Other trademarks are the property of their respective owners.
Some models may be exported under the name Amcron
.
®
©2011 by Harman International. 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000.
142483-1 - 5/11

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Summary of Contents for Crown Vrack

  • Page 1: Operation Manual

    Operation Manual 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 installation, operation or maintenance.

  • Page 2: Important Safety Instructions

    8. Do not install near any heat sources such as radiators, heat registers, Family Name: ITECH-HD stoves, or other apparatus (including amplifiers) that produce heat. IMPORTANT Model Names: VRack 9. Do not defeat the safety purpose of the polarized or grounding-type VRacks require Class 2 output wiring. EMC Standards: plug.

  • Page 3: Table Of Contents

    Input Wiring Modes................................16 The VRack is best thought of not as just an amp rack, but as a building block for your system. Every time you add 1 VRack into a system, you are adding 1 block that powers a proper 3:2 ratio of tops and subs for optimal performance, and seamlessly Analog ..................................16...

  • Page 4: Setup

    Side View (22-1/2" x 31-1/4") the part of Crown. Anyone making use of this information assumes all liability arising from such use. All information presented herein is based upon materials and practices common to North America and may not directly apply to other countries because of differing material dimensions, specifications, and/or local regulations.

  • Page 5: Vrack Power Distribution Overview

    Amp 2 = Y, Neutral, and GND The working load limit (WLL) for any group of VRack products is noted on the appropriate VRack Array Frame. If interested in suspending your VRacks, contact your local Crown representative for information on ordering VRack Suspension Frame.
  • Page 6 240VAC operation from the Cee-Form pin and sleeve connector. From an external power distribution system, send 3 phase 220VAC-240VAC power to the X, Y, and Z pin of the Cee-Form connector and the VRack will operate in 220VAC-240VAC operation mode. Each I-Tech HD amplifier will see a dedicated line-to-neutral connection as well as a ground.

  • Page 7: I-Tech Hd Amplifier Specifications

    I-Tech HD Amplifier Specifications Front Panel Features The Crown ® I-Tech HD Series offers amazing power, light weight and ease of use for tour sound applications. Unlike other amplifiers, it includes onboard high-definition DSP, an LCD control screen, and a built-in network connection.

  • Page 8: Input Panel

    AES3 Input - Input AES3 into this connector, the signal will go directly to the amplifiers. If AES 1+2 or AES 3+4 Crown recommends using pre-built or professionally wired, balanced line (two-conductor plus shield), 22-24 gauge cables is selected, the AES3 fed into this connector will send with 3-pin XLR connectors.

  • Page 9: Input Wiring Modes

    Input Wiring Modes - Analog Input Wiring Modes - Analog Mono 1 Stereo MONO 1 MONO 1 MONO 2 MONO 2 STEREO STEREO MONO (1+2) MONO (1+2) 3-MIX 3-MIX MONO 1 + AUX MONO 1 + AUX MONO 2 + AUX MONO 2 + AUX Mono 2 Mono (1+2)

  • Page 10: Digital

    Input Wiring Modes - Analog Input Wiring Modes - Analog 3-Mix Mono 2 + Aux MONO 1 MONO 1 MONO 2 MONO 2 STEREO STEREO MONO (1+2) MONO (1+2) 3-MIX 3-MIX MONO 1 + AUX MONO 1 + AUX MONO 2 + AUX MONO 2 + AUX Digital Input Wiring Schematic Mono 1 + Aux...
  • Page 11 Input Wiring Modes – Digital Input Wiring Modes - Digital Mono 1 Stereo MONO 1 MONO 1 MONO 2 MONO 2 STEREO STEREO MONO (1+2) MONO (1+2) Mono 2 Mono (1+2) MONO 1 MONO 1 MONO 2 MONO 2 STEREO STEREO MONO (1+2) MONO (1+2)

  • Page 12: Hybrid

    Input Wiring Modes – Hybrid, Digital and Analog Input Wiring Modes – Hybrid, Digital and Analog 3-Mix AES 2 + Aux 3-MIX 3-MIX MONO 1 + AUX MONO 1 + AUX MONO 2 + AUX MONO 2 + AUX STEREO + AUX AES 1 + Aux AES1 + AES2 + Aux 3-MIX...

  • Page 13: Network Wiring Schematic

    Network Wiring Schematic VDrive Network Input Rack Wiring Schematic VDrive is a digital AES3 transport mechanism that combines a standard 10/100MB network connection with AES3 signals. VDrive employs the unused pins of a 10/100MB network to transport AES3 digital audio signals. As indicated in the chart above, one is able to transmit 4 channels of digital audio using a standard CAT5 cable.

  • Page 14: Output Panel

    Output Panel Output Wiring Modes JBL and Crown have established this set of recommended circuiting configurations for all VerTec/iTechHD systems worldwide. Please follow these good/better/best guidelines in order to ensure optimum system performance. High Performance A High Performance (HP) system has the following characteristics: •...
  • Page 15 Output Wiring Modes Output Wiring Modes 3-Way + 3-Way Mode 3-Way + Sub Mode L1 + L2 L1 + L2 S1 + S2 S1 + S2 HP Nom Econ Max VT4889 HP Nom Econ Max HP Nom Econ Max VT4888 VT4889 VT4889 VTX V25...
  • Page 16 Output Wiring Modes Output Wiring Modes 3-Way + 2-Way Mode 3-Way + Passive 2W L 2W MH HP Nom Econ Max VT4889 HP Nom Econ Max HP Nom Econ Max VT4888 VT4889 VT4887A VTX V25 VT4888 VT4887 VTX V25 HP Nom Econ Max HP Nom Econ Max VT4886 VT4886...
  • Page 17 Output Wiring Modes Output Wiring Modes Sub Mode Sub + 3-Way Mode S1 + S2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 L1 + L2 HP Nom Econ Max HP Nom Econ Max HP Nom Econ Max...
  • Page 18 Output Wiring Modes Output Wiring Modes 2-Way Mode 2-Way + Sub Mode 1 2W L 2W MH 2W MH 2W MH 2W L 2W MH 2W L 2W L 2W L 2W MH S1 + S2 S1 + S2 HP Nom Econ Max HP Nom Econ Max VT4887A VT4887A...
  • Page 19 Output Wiring Modes Output Wiring Modes 2-Way + Subs Mode 2 Passive Mode 2W L 2W MH 2W L 2W MH S1 + S2 S1 + S2 HP Nom Econ Max VT4887A VT4887 Nom Econ Max Nom Econ Max VT4886 VT4886 HP Nom Econ Max (Each output)
  • Page 20 Output Wiring Modes Output Wiring Modes Passive + Sub Mode 1 Sub + Passive Mode 2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 S1 + S2 HP Nom Econ Max HP Nom Econ Max VT4886-A switch VT4886-A switch HP Nom Econ Max VT4886-B switch...

  • Page 21: Hiqnet™ Software

    VRack powered system. In addition, the user can combine the presets in all 3 VRack ampmlifiers into a single 'VRack Preset'. This is done by loading the individual preset into each amplifier, and then using the VRack control panels' 'Preset' tab to save each individual preset into the same preset memory location on each amp.
  • Page 22 Select the desired input mode you would like from the drop down menu. After selecting the desired input mode, a visual representation of Preset Name Indication Recall Preset how to connect the VRack input panel will be shown. Signal Generator Amp Info Store Preset...
  • Page 23 Device Tab VRack Input EQ (affects all amps in the rack) Single click on the device to select amplifier-specific settings not included in the VRack device Types available: Parametric, LP shelf, HP shelf, LP/HP Butterworth, LP/HP EQ, All pass panel. By selecting one of the amplifiers, the standardI-Tech HD device panel will appear.

  • Page 24: System Diagrams

    3 Way + 3 Way 4 x XVT4889 The VRack Preset Tab recalls the same preset numbers on all amplifiers; therefore, it is recommended you save system-specific presets by preset numbers. On Each V-Rack Below is an example of how to set up a 3-Way + Sub VerTec 4889/4880 preset.
  • Page 25 System Diagrams System Diagrams 3 Way + Sub 2 Way + Sub 6 x VT4889 + 4 x VT4880A 3 x VT4887A + 1 x VT4881A On Each V-Rack V-Rack Option 1 Section Load Section Load 2.7 ohm CH. 1 MF/HF 2.7 ohm CH.
  • Page 26 System Diagrams Passive + Sub Passive + Sub 6 x VT4886 + 2 x VT4883 8 x VT4886 + 3 x VT4883 + 2 x VT4880A On Each V-Rack On Each V-Rack Section Load Section Load 4 ohm 3 ohm CH.

  • Page 27: Product Registration

    PRODUCT REGISTRATION Crown Audio, Inc. 1718 W. Mishawaka Rd. Elkhart, IN 46517-9439 Phone: 574-294-8000 Fax: 574-294-8329 www.crownaudio.com Online registration is also available at http://crownweb.crownintl.com/webregistration. *Warranty is only valid within the United States of America. For information on Warranty outside of the U.S.A, please contact your local distributor.

  • Page 28: Crown Audio Factory Service Information

    Crown Audio Factory Service Information Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517-9439 PLEASE PRINT CLEARLY SRA #: ______________________ (if sending product to Crown factory service) Model: ______________________ Serial number: __________________________ Purchase date: ____________________ PRODUCT RETURN INFORMATION...

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