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Crown Vrack 4x3500 Operation Manual

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4x3500 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 4x3500

  • Page 1 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.

  • Page 2: Important Safety Instructions

    Important Safety Instructions 1. Read these instructions. WATCH FOR THESE SYMBOLS: 2. Keep these instructions. The lightning bolt triangle is used to alert the user to the risk of electric shock. 3. Heed all warnings. The exclamation point triangle is used to alert the user to important 4.

  • Page 3: Table Of Contents

    Each IT4X3500HD has 4 channels, each one capable of 1900 watts into 8 ohms and 2400 watts into 4 ohms. The input panel is engineered by Crown to give the VRack user optimum flexibility when deploying a VRack system for powering VerTec Crown Audio Factory Service Information ........................46 fullsize (VT4889), midsize (VT4888), compact (VT4887A), or subcompact (VT4886) models and their companion subwoofers Product Registration ................................47...

  • Page 4: Setup

    Setup Setup Rack Specific Suspension Weight: 187 lbs (84.82 kg) Safety Precautions: Before attempting to suspend your speakers or power amplifier rack, read and understand the following safety information. Dimensions: L x W x H with caster plate – 22 ½” X 23 ½” X 31 ¼” ( 57.2 cm X 59.7 cm X 79.4 cm ) Important Suspension Safety Warning! L x W x H without caster plate –...

  • Page 5: Features

    Setup Setup Suspension Hardware Inspection & Maintenance Type of Connectors to Use with VRack Suspension systems are comprised of mechanical devices and, as such, they require regular inspection and routine L21-30 EC 309 Pin + Sleeve maintenance to ensure proper function ability. The Crown VRack must be inspected for fatigue at least annually. The inspection shall include a visual survey of all corners and load-bearing surfaces for signs of cracking, water damage, de-lamination, or Mcaster-Carr Walther-Electric...
  • Page 6 Setup Setup Cee-Form U.S. Operation Power Supply Schematic Cee-Form 120VAC Operation Switch Position “Input Pin/Sleeve, Output US/120 EU/240” provides 120VAC operation from the Cee-Form pin and sleeve connector. From an external power distribution system, send 3 phase 120VAC power to the X, Y, and Z pin of the Cee-Form connector and the VRack will operate in 120VAC operation mode.

  • Page 7: I-Tech Hd Amplifier Specifications

    I-Tech HD Amplifier Specifications Front Panel Features I-Tech HD Amplifier Specifications The Crown® I-Tech 4X3500HD DriveCore Series offers amazing power, light weight and ease of use for tour sound applications. Unlike other amplifiers, it includes onboard high-definition DSP, a 4.3” LCD TFT Capacitive Touchscreen, and a Three IT4x3500HD Amplifiers built-in network connection.

  • Page 8: Input Panel

    Setup Input Panel Choose Input Wire and Connectors Crown recommends using pre-built or professionally wired, balanced line (two-conductor plus shield), 22-24 gauge cables with 3-pin XLR connectors. Unbalanced line may also be used but may result in noise over long cable runs. Figure 1 shows connector pin assignments for balanced analog wiring or AES/EBU digital wiring.

  • Page 9: Input Wiring Schematic

    Input Wiring Schematic Input Wiring Modes Rack Input Wiring Schematic AES Mono 2 VDrive output switch will send buffered VDrive signal to the network AES 1+2 AES 3+4 Analog Mono 1 out or just network signals. Failover Failover Analog Mono 2 Analog Stereo AES Mono 1 NETWORK...
  • Page 10 Input Wiring Modes Input Wiring Modes AES Mono 4 AES Stereo 3&4 Analog Mono 1 Analog Mono 1 Analog Mono 2 Analog Mono 2 Analog Stereo Analog Stereo AES Mono 1 AES Mono 1 AES Mono 2 AES Mono 2 AES Mono 3 AES Mono 3 AES Mono 4...

  • Page 11: Vdrive

    Input Wiring Modes VDrive VDrive Wiring Schematic AES Mono 3+4 Wire Diagram 10Base-T Signal RJ45 Pin # Wire Color (T568A) 1000Base-T Signal (T568A) 100Base-TX Signal White/Green Transmit + BI_DA+ Green Transmit - BI_DA- White/Orange Receive + BI_DB+ Analog Mono 1 Blue AES 1/2 + BI_DC+...

  • Page 12: Output Wiring Modes

    Output Wiring Modes To enable VDrive, open the VRack device panel. This selection is located in two places. You only need to select it in one place. Under the ‘Presets’ Tab, it is located under the Digital Input Status section JBL and Crown have established this set of recommended circuiting configurations for all VerTec/iTechHD systems worldwide.
  • Page 13 Output Wiring Modes Output Wiring Modes 3-Way Mode 2-Way Mode Nom Econ Max VT4887A VT4887 HP Nom Econ Max VT4889 (Per Amplifier) VT4888 VTX V25 (Per Amplifier) Operation Manual page 24 Operation Manual page 25...
  • Page 14 Output Wiring Modes Output Wiring Modes 1-Way Mode Sub Mode Nom Econ Max HP Nom Econ Max VT4886 VT4880A (Per Amplifier) VT4880 VTX S28 VTX G28 VT4881A VT4882 VT4883 (Per Amplifier) Operation Manual page 26 Operation Manual page 27...
  • Page 15 Output Wiring Modes Output Wiring Modes 3-Way + Sub Mode 3-Way + 2-Way Mode Sub Outputs 3-Way Outputs 3-Way Outputs 2-Way Outputs HP Nom Econ Max HP Nom Econ Max HP Nom Econ Max Nom Econ Max VT4880A VT4889 VT4889 VT4887A VT4880 VT4888...
  • Page 16 Output Wiring Modes Output Wiring Modes 3-Way + 1-Way Mode 2-Way + Sub Mode 3-Way Outputs 1-Way Outputs 2-Way Outputs Sub Outputs HP Nom Econ Max Nom Econ Max Nom Econ Max HP Nom Econ Max VT4889 VT4886 VT4887A VT4880A VT4888 (Per Amplifier) VT4887...
  • Page 17 Output Wiring Modes Output Wiring Modes 2-Way + 1-Way Mode 1-Way + Sub Mode 2-Way Outputs 1-Way Outputs 1-Way Outputs Sub Outputs Nom Econ Max Nom Econ Max Nom Econ Max HP Nom Econ Max VT4887A VT4886 VT4886 VT4880A VT4887 (Per Amplifier) (Per Amplifier) VT4880...
  • Page 18 Output Wiring Modes Output Wiring Modes Sub + 2-Way Mode Sub + 1-Way Mode Each NL8 output HP Nom Econ Max VT4886 Each NL8 output ('A' Switch) HP Nom Econ Max VT4886 VT4887A ('B' Switch) VT4887 VT4880A VT4880A VT4880 VT4880 VTX S28 VTX S28 VTX G28...

  • Page 19: Hiqnet™ Software

    HiQnet™ Software HiQnet™ Software The Crown VRack has a unique advantage when used with Harman's HiQnet System Architect software. Preset Tab Preset Name Indication Recall Preset The software is able to literally 'see' that your iTech4x3500HD amplifiers are in a rack, and specifically they're in a VRack.
  • Page 20 HiQnet™ Software HiQnet™ Software Input Tab Delay Tab Select the desired input mode you would like from the drop down menu. After selecting the desired input mode, a visual representation of Channel-Specific Input Delay in Feet, Meters, and Seconds how to connect the VRack input panel will be shown. Compressor Tab Input EQ Tab Master Input...
  • Page 21 HiQnet™ Software HiQnet™ Software Designing and Recalling Presets Load Output Tab Channel 2 Load Monitoring Channel 3 Load Monitoring Channel 4 Load Monitoring The VRack Preset Tab recalls the same preset numbers on all amplifiers; therefore, it is recommended you save system-specific presets by preset numbers. Enable / Disable Enable / Disable Enable / Disable...

  • Page 22: System Diagrams

    System Diagrams System Diagrams 3 Way 3 Way 6 x VT4889 6 x VTX V 25 On Each Amplifier On Each Amplifier Section Load Section Load 8 ohm 8 ohm 4 ohm 4 ohm 2 x 2 2 x 4 ohm 2 x 2 2 x 4 ohm VT 4889/4888...
  • Page 23 System Diagrams System Diagrams Passive + Sub 4 x VTX V25 + 4 x VTX S28 6 x VT4886 + 2 x VT4883 On Each Amplifier On Each Amplifier Section Load Channel Section Load Channels 4 ohm CH. 4 LMH (A) 4 ohm CH.

  • Page 24: Crown Audio Factory Service Information

    Crown Audio Factory Service Information PRODUCT REGISTRATION Crown Audio, Inc. 1718 W. Mishawaka Rd. Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517-9439 Elkhart, IN 46517-9439 Phone: 574-294-8000 PLEASE PRINT CLEARLY Fax: 574-294-8329 www.crownaudio.com SRA #: ______________________ (if sending product to Crown factory service) Model: ______________________ Serial number: __________________________ Purchase date: ____________________ Online registration is also available at http://crownweb.crownintl.com/webregistration.

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