KV2 Audio VHD 2000 Operator's Manual
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KV2 Audio VHD 2000 Operator's Manual

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VERY HIGH DEFINITION
VHD 2000
OPERATOR'S MANUAL
VHD - Active Driven, Vertically Arrayable, Long Throw,
Wide Dispersion Speaker System

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Summary of Contents for KV2 Audio VHD 2000

  • Page 1 VERY HIGH DEFINITION VHD 2000 OPERATOR’S MANUAL VHD - Active Driven, Vertically Arrayable, Long Throw, Wide Dispersion Speaker System...

  • Page 2: Important Safety Instructions

    9. Connect only to AC power outlets rated 115-250V, 50-60Hz. 10. Do not use this VHD 2000 if the power cable is broken or frayed. Protect the power cable from being walked upon or pinched particularly at the plugs and the point where it exits from the apparatus.

  • Page 3: Table Of Contents

    INDEX 1. Introduction 2. Getting Started 2.1 Unpacking 2.2 Rack Mounting 2.3 Cooling 2.4 AC Requirements 3. Features 3.1 Front panel 3.2 Rear panel 4. Using the System 4.1 Normal Set Up 4.2 Full Range Vocal System 4.3 Using the Mid/Hi Insert 4.4 Feeding the Subwoofers from another source 5.

  • Page 4: Introduction

    VHD 2000 manages all system functions and assures optimal performance. The VHD 2000 is “Line Driver Ready” and has its own input impedance selector on the front panel to accurately match up the input impedance to the output of any mixer used.

  • Page 5: Getting Started

    GETTING STARTED 2.1 UNPACKING Unpack the VHD 2000 and check to see if there is any damage to it. If you find any damage notify your supplier immediately. Only the consignee may institute a claim with the carrier for damage incurred during shipping. Be sure to save the carton and all packing materials for the carrier's inspection.

  • Page 6: Cooling

    Always isolate your AC supply before disconnecting the PowerCon connector. Your VHD 2000 will be supplied pre set to the voltage used in your area. The table below provides typical current draw figures for the VHD 2000.

  • Page 7: Features

    4) Improper Use LED If the VHD 2000 is connected improperly then this LED will light and the unit will shut down. An example of this is if a full range signal is applied to the ‘Mid/Hi In’ rather than the ‘Main Input’, the VHD 2000 will sense this and shut down to further protect any...
  • Page 8 VHD 2.0 and both switches should be set to ‘Double’. 8) Input Impedance This rotary switch sets the Input Impedance of the VHD 2000 to match that of the mixer or other device supplying the audio signal to the VHD 2000’s input. This is especially important when driving longer cable runs and it enables the line to be driven correctly without any losses or other interference.

  • Page 9: Rear Panel

    This is the main system input connector with associated ‘Through Signal Output’ connector for sending unprocessed signal to other devices, such as more VHD 2000’s to power more VHD 2.0’s in a system. 2) Mid/High In / Pre Control Out This is an insert point for the Mid/High section of the VHD 2000, the signal sent to the VHD 2.0 cabinet.

  • Page 10: Normal Set Up

    The Input Impedance control should be set to match the output impedance of the device feeding the VHD 2000. If you are using a KV2 Audio LD4 Line Driver then the Input Impedance control on the VHD 2000 should be set to 50Ω. If when using the LD4 you are feeding more than one VHD 2000 then they should all be set to 10kΩ...

  • Page 11: Using The Mid/Hi Insert

    If the VHD 2.0 is being used solely for vocal reinforcement & light music playback then the VHD 2000 is used with the associated ‘Full Range Vocal’ switch depressed. A 60Hz roll-off is added to the system to protect the VHD 2.0. Note: in this mode the subwoofer outputs will be muted to prevent incorrect use of the system.
  • Page 12 VHD 2.15 VHD 1.21 VHD 1.21 The table below shows the various combinations of the Sub A/B switches and their effect on the signal routing in the VHD 2000: Sub-A Switch Sub-B Switch Sub-A Out Signal Sub-B Out Signal...

  • Page 13: Specifications

    VHD 2000 AMPLIFIER / CONTROLLER SPECIFICATIONS High Frequency Amplifier Type Class AB - Push Pull - Low IM Design Rated Continuous Power 200 Watts Distortion <.005% THD Operating Bandwidth 2.5kHz - 20kHz Mid Frequency Amplifier Type Class H - High Efficiency...

  • Page 14: Block Diagram

    BLOCK DIAGRAM...

  • Page 15: Recommended Enclosure Combinations

    RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 1 INPUT SIGNAL...
  • Page 16 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 2 INPUT SIGNAL...
  • Page 17 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 3 INPUT SIGNAL...
  • Page 18 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 4 INPUT SIGNAL...
  • Page 19 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 5 INPUT SIGNAL...
  • Page 20 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 6 INPUT SIGNAL...
  • Page 21 SERVICE In the unlikely event that your VHD 2000 develops a problem, it must be returned to an authorized distributor, service centre or shipped directly to our factory. Because of the complexity of the design and the risk of electrical shock, all repairs must be attempted only by qualified technical personnel.

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