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VHD PRE-EQ · Rear Panel 

Rear Panel

1) Plug power connector 

For connection to a standard IEC 3-pole AC connector. Before connecting make sure that the mains voltage corresponds 
to the VHD PRE-EQ's voltage requirements as stated on the unit.

2) AC Power Switch 

3) XLR Outputs

 Sum Input 

5) Balanced Input 

6) USB DAC 

Standard USB B connector for connecting internal HD DAC. The USB power is indicated by the DAC LED.

A high quality, high definition USB DAC up to 384KHz/32bit sample rate is included. The DAC is based on AKM’s VELVET 
SOUND DAC. The USB, based on CM6631A processor and is galvanically isolated from the PRE-EQ.

Supports USB Audio Class 2.0 and high-speed. USB Audio class 1.0 with full-speed/high-speed modes compatible with
Windows® UAA driver, Mac OS X and Linux embedded USB audio drivers. Windows drivers are available at the KV2 Audio 
website.

7) RCA 

Unbalanced RCA connector for connecting line level audio signal.

8) INSERT 

Microphone input unbalanced insert. Used to send and return the signal to external effects and signal processing equipment,
(tip = send, ring = return).

9) MICROPHONE INPUT 

Balanced Female XLR connector (pin 2 = hot) for connecting microphone level or line level audio signal.

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VHD PRE-EQ  ·  Rear P

anel

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Summary of Contents for VHD PRE-EQ

Page 1: ...User Guide VHD PRE EQ Preamp with built in Line Drivers ...

Page 2: ... supply source if necessary Never interrupt earthing due to safety reasons Do not place the equipment close to heating bodies or other sources of heat and protect it against direct sunlight The equipment must not come into contact with open flames Ventilation of the equipment must not be obstructed by covering of ventilation openings The equipment must not be exposed to dripping or splashing liqui...

Page 3: ...ion 3 Dimensions 3 Getting Started 4 Unpacking Rack mounting AC Power requirements Voltage requirements Connector wiring 4 Front Panel 5 6 Rear Panel 7 Specifications 8 Block Diagram 9 Warranty Service 10 Notes 11 12 Contents VHD PRE EQ Contents ...

Page 4: ...CA internal DAC and share a brand new revolutionary George Krampera 8 band EQ The A B outputs are equipped with left right pan mono summing and master volume The VHD PRE EQ is equipped with signal level presence on inputs and meters on outputs A high quality high definition USB DAC up to 384KHz 24bit sample rate is included Great emphasis was placed on maintaining the highest possible sound qualit...

Page 5: ... VHD PRE EQ uses a standard IEC 3 pole AC connector The device must be connected to a mains socket outlet with protective earthing connection The VHD PRE EQ operates in either 115V or 230V mode This setup is preconfigured at the factory The mains plug of the power supply cord shall remain readily operable Voltage requirements The VHD PRE EQ operates safely and without audio discontinuity if the AC...

Page 6: ...off frequency Select the required cut off frequency by sweeping from anticlockwise filter off to the maximum 500Hz 5 INSERT Unbalanced insert Used to send and return the mic input signal to external effects and signal processing equipment tip send ring return Insert signal path is post LOW PASS pre EQ Insert signal path is activated using INSERT switch 6 48V Feeds 48V to pins 2 and 3 of the input ...

Page 7: ...nbalanced RCA internal HD DAC gain from 20dB to 20dB 14 8 Band Equalizer Line input 2 RCA internal DAC share a revolutionary George Krampera 8 band Equalizer Specially designed to highlight the desired band without adversely affecting the overall sound Using the equalizer is very intuitive and musical Equalizer boosts or cuts frequencies at 40 80 120 250 500Hz 3 6 15kHz by 15dB Output 15 MONO Sums...

Page 8: ... VELVET SOUND DAC The USB based on CM6631A processor and is galvanically isolated from the PRE EQ Supports USB Audio Class 2 0 and high speed USB Audio class 1 0 with full speed high speed modes compatible with Windows UAA driver Mac OS X and Linux embedded USB audio drivers Windows drivers are available at the KV2 Audio website 7 RCA Unbalanced RCA connector for connecting line level audio signal...

Page 9: ...c input Phantom power 20dB Input level Phase 4 band EQ Line input Balanced DAC RCA 20dB DAC input USB2 0 384kHz 24bit DAC Signal Output Signal Output Channels stereo A stereo B Output Impedance 50Ω Features Input Level Control to 6dB High Pass Filter Vocal preset 10Hz to 500Hz Equalization 8 band EQ Indicators LED VU meters Power Requirements Power Connector IEC 320 Operating Voltage Range 90 to13...

Page 10: ...VHD PRE EQ Block Diagram Block Diagram 9 VHD PRE EQ Block Diagram ...

Page 11: ... 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 If the unit needs to be shipped back to the factory it must be sent in its original carton If improperly packed the unit may be damaged To obtain service contact your nearest KV2 Audio Service Cen...

Page 12: ...VHD PRE EQ Notes 11 VHD PRE EQ Notes ...

Page 13: ...VHD PRE EQ Notes 12 VHD PRE EQ Notes ...

Page 14: ...KV2 Audio International Nádražní 936 399 01 Milevsko Czech Republic Tel 420 383 809 320 Email info kv2audio com www kv2audio com KVV120152 00 01 0 The Future of Sound Made Perfectly Clear ...

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