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IMPORTANT SAFETY INSTRUCTIONS Before using your VHD2000, be sure to carefully read the applicable items of these operating instructions and the safety suggestions 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Keep this manual for future reference. Heed all warnings. Follow all instructions. Do not use this unit near water . Do not spill water or other liquids into or on the unit. Do not operate the VHD2000 while wet or standing in liquid. Clean only with a dry cloth.
INDEX 1. Introduction, Warranty 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. Specifications 6. Block Diagram 7.
1 INTRODUCTION, WARRANTY Thank you for purchasing this KV2 Audio VHD2000 amplifier control unit. This user guide contains important information on operating this unit correctly and safely. Please take some time and read this manual to familiarise yourself with the advanced features of this unit. The VHD2000 is the amplifier control unit for processing and powering one VHD2.0 mid-high enclosure. It also houses all processing and control electronics for the associated VHD subwoofer systems.
2 GETTING STARTED 2.1 UNPACKING Unpack the VHD2000 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. Should you ever need to ship the unit, only use the original factory packaging. If the shipping carton is unavailable, contact your supplier to obtain a replacement.
2 GETTING STARTED 2.3 COOLING The VHD2000 has a comprehensive cooling system featuring chassis-sealed PCB board mounting and shock mounted, speed controlled fans. This means that the cooling system never drives air across PCB boards, connectors or components ensuring prolonged electronic component lifespan and minimizing maintenance cycles. Air is drawn into the front of the amplifier by the two fans on the rear panel, this passes over the cooling fins of the heat sinks and exhausts through the rear.
3 FEATURES 3.1 FRONT PANEL 1 2 3 4 5 7 6 12 11 8 9 10 1) AC Mains Switch The VHD2000 has a combination AC Mains switch/circuit breaker on the front panel. If the switch shuts off during normal use, push it back to the ON position once. If it will not stay on you should take the unit to qualified service personnel to have it serviced. 2) Power / Service LED This is a dual colour LED, when green it indicates that the AC power is on.
3 FEATURES 3.1 FRONT PANEL - CONTINUED 6) Sub A & B Set Up These switches are set according to which combination of subwoofers is being used with the system - see Operation Modes. 7) System Single / Double This switch sets the controller for use when either a single VHD2.0 is being used or a double system using 2 VHD2.0’s are being used. In this mode another VHD2000 would be required to power the second VHD2.0 and both switches should be set to ‘Double’.
3 FEATURES 3.2 REAR PANEL 1 2 3 4 5 6 1) Main Input / Through Signal Out This is the main system input connector with associated ‘Through Signal Output’ connector for sending unprocessed signal to other devices, such as more VHD2000’s to power more VHD2.0’s in a system. 2) Mid/High In / Pre Control Out This is an insert point for the Mid/High section of the VHD2000, the signal sent to the VHD2.0 cabinet.
4 USING THE SYSTEM 4.1 NORMAL SET UP The VHD2000 is designed to actively power one VHD2.0 cabinet and to provide signal processing for associated subwoofer systems when used. For Normal Mode operation signal is applied to the ‘Main Input’ connector and all the ‘Insert’ switches would be in the ‘Disengage’ position. The Input Impedance control should be set to match the output impedance of the device feeding the VHD2000.
4 USING THE SYSTEM 4.2 FULL RANGE VOCAL MODE If the VHD2.0 is being used solely for vocal reinforcement & light music playback then the VHD2000 is used with the associated ‘Full Range Vocal’ switch depressed. A 60Hz roll-off is added to the system to protect the VHD2.0. Note: in this mode the subwoofer outputs will be muted to prevent incorrect use of the system. On front panel Full Range Vocal Switch to ‘ON’ Main Signal Input All insert switches in ”Disengage” position VHD2.0 4.
4 USING THE SYSTEM 4.1 FEEDING SUBWOOFERS FROM ANOTHER SOURCE Taking ‘Normal Mode’ in Section 4.1 as an example, if the VHD2.0 was flying you might want to fly the VHD 2.15 above it with the VHD1.21’s ground stacked beneath them. In this instance it would be preferable to have both sets of subwoofers fed by separate feeds from the mixing console, to give you independent level control to each of the subwoofer types, and to have the VHD2.
5 VHD2000 AMPLIFIER / CONTROLLER SPECIFICATIONS Output Channels Number of Channels 1 High Frequency Amplifier Specification Type Rated Continuous Power Distortion Operating Bandwidth Class AB Push-Pull low IM Mosfet design, transformer balanced output 300W < 0.05% 2.2kHz ÷ 30kHz Mid Frequency Amplifier Specification Type Rated Continuous Power Distortion Operating Bandwidth High Efficiency, High power bandwidth 1000W < 0.05% 450Hz ÷ 2.
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7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 1 FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 VHD2.16 VHD2.16 VHD2.16 VHD2.16 OUTPUT A 1600W / 4 INPUT A ON BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.
7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 1B FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 OUTPUT A ON VHD2.16 VHD2.16 VHD2.16 VHD2.16 1600W / 4 INPUT A BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.COM DESIGNED BY KV2 AUDIO MANUFACTURED IN THE EUROPEAN UNION OUTPUT A 1600W / 4 INPUT A ON BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.
7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 2 FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 VHD4.18 VHD4.18 VHD4.18 VHD4.18 OUTPUT A 1600W / 4 INPUT A ON BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.
7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 3 FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 OUTPUT A ON VHD2.16 VHD2.16 VHD1.21 VHD1.21 1600W / 4 INPUT A BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.
7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 4 FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 VHD2.16 VHD2.16 VHD4.18 VHD4.18 OUTPUT A 1600W / 4 INPUT A ON BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.
7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 5 FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 OUTPUT A ON VHD2.16 VHD2.16 VHD2.16 VHD2.16 VHD4.18 VHD4.18 VHD4.18 VHD4.18 1600W / 4 INPUT A BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.
7 RECOMMENDED ENCLOSURE COMBINATIONS SUB SETTING 6 FRONT PANEL VHD2000 SETUP INPUT SIGNAL VHD2.0 OUTPUT A ON VHD2.16 VHD2.16 VHD2.16 VHD2.16 VHD1.21 VHD1.21 VHD1.21 VHD1.21 1600W / 4 INPUT A BRIDGE - INPUT A BRIDGE ON 3200W / 8 OFF OFF INPUT B AC IN B OUTPUT B AC IN A 1600W / 4 SERIAL NUMBER WWW.KV2AUDIO.
The future of sound. Made perfectly clear. At KV2 Audio our vision is to constantly develop technologies that eliminate distortion and loss of information providing a true dynamic representation of the source. Our aim is to create audio products that absorb you, place you within the performance and deliver a listening experience beyond expectation. KV2 Audio, Nádražní 936, 399 01 Milevsko, Czech Republic T +44(0)1423 816868 F +44(0)1423 816869 www.kv2audio.
