VHD Preamp User Guide
Contents
1. J VHD Preamp User Guide Oo 0 0 wj ye ERAR A o rere ororers o o Q bad O O 2a O The future of sound ys Made perfectly clear At KV2 Audio our vision is to constantly develop i technologies that eliminate distortion and loss of information providing a true dynamic representation of the source a Our aim is to create audio products that absorb you place you within the performance and deliver a listening experience beyond expectation Q e L A fa I gt Safety Instructions Safety Instructions IMPORTANT SAFETY INSTRUCTIONS Observe all instructions and follow warnings marked on the equipment and in the user s manual Connect the equipment only to a source of proper mains voltage Do not attempt to switch on any equipment that has been dropped that is damaged or has had liquid penetration or if malfunctions have occurred and their nature requires a repair action The supply cable shall be made by a person having proper qualifications WARNING The equipment is designed in Class and shall be connected to a wall socket having protective earthing The mains plug and supply cable shall remain easy accessible as this is used for disconnection of the equipment from the supply source if necessary Never interrupt earth2. 250V 50 60Hz Physical Dimensions Height 44 5mm 1 75 Width 483mm 19 0 Depth 177 8mm 7 0 Weight 2 5kg 5 5lbs a Input Output connectors wiring XLR Balanced Input and Output connectors 5 U Input Output 5 U Q 1 Ground N 2 Hot 3 Cold 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 KY KV2 Audio N dra n 936 399 01 Milevsko Czech Republic QUdIO T 44 0 1423 816868 F 44 0 1423 816869 www kv2audio com KVV120031 00 01 0
3. Demonstration presentation mixer Two sound systems comparing System B System A K bx JA coooa HOOOOO T I I I I I I I I I FRE EE Eee eee eee I I I I System B i System A I I VHD Preamp Rear view A A r Stereo player Unbalanced Input Using the system Fe PEPIS te Narrator s microphone Using the system Simple AV mixer Projector sound and a microphone Sound system I J Bee eee eee i Sound system i E Input I I I I I I I I I I I I I I I I I I I I VHD Preamp Rear view A A UNBAL INPUT RIGHT BAL INPUT LEFT MIC INPUT A B CONTROL Right OUTPUTB LEFT rT OUTPUT A E 100 240 VAC 50 60 w S MAX 30WATTS KV2 AUDIO MANUFACTURED IN THE EUROPEAN UNION WWW KV2AUDIO COM Narrator s microphone VHD Preamp Using the system Using the system Replacement FOH mixer Replacement mixer for FOH when the main system is being taken down after a concert Many venues now insist that at least one pair of speakers
4. and a mixer mic is kept available during breakdown Q o Main system PA A Main system PA A Pt PiE e se ee ee Se a oA a ial aE gt Replacement PA B Replacement PA B i i Ni i r BPHEEEEE EEE Replacement system Bln Main system In VHD Preamp Rear view I I I I I I 7T OOO a E I MORIE O asm WV AUDI MANUFACTUREDIN THE EUROPEAN UNON WWW KV2AUDIO COM A B CONTROL OUTPUT B OUTPUTA UNBAL INPUT RIGHT BAL INPUT LEFT MIC INPUT E Stereo player Using the system Narrator s microphone Specifications VHD Preamp SPECIFICATIONS System Acoustic Perfomance 3dB Response 10Hz 50kHz Total Harmonic Distortion lt 0 0005 Q E Number of Channels 2 S Max Output Voltage 14V 7V 500 RMS Max Output Current 450mA a T Signal Input eC Input Channels 5 Input Impedance 2kQ Mic 20kQ Balanced IN 10kQ RCA Mic input Phantom power 20dB Input level Line input RCA Balanced 2 band EQ 10dB Output channels stereo A stereo B Output Impedance 500 Features High Pass Filter 10Hz 500Hz Equalization 4 band EQ Power Connector IEC 320 Operating Voltage Range 100
5. ier also features two switchable A or B outputs to allow a simple comparison of systems between the two outputs Both A and B outputs have line drivers built into them to maintain audio signal integrity over long cable lengths Front panel Microphone preamplifier Stereo preamplifier GAIN mic ps tow MID Hiei MD qai voi ilr GAIN TREBLE VOLUME VERY HIGH WHD TECHNOLOGY 608 ode 20 dB DEFINITION OE 500 Hz 15 dB 12 dB 12 dB rO 15 dB O dB OE 4648 MICROPHONE itt ourPut J Rear panel ACIN Pp e AIB CONTROL RIGHT OUTPUT B LEFT RIGHT OUTPUTA LEFT UNBAL INPUT RIGHT BAL INPUT LEFT MIC INPUT DA ka PA 100 240 VAC 50 60 Hz ji MAX 30WATTS KV2 AUDIO MANUFACTURED IN THE EUROPEAN UNION Block diagram MIC INPUT PREAMPLIFIER CLIP HIGH PASSFITER EQUALIZATION 3 gt Lo LINE DRIVER RIGHT rt offs O ENO Re P Fama ao 4 4 AAAA vou 48V 20dB z Q u o Qo y 3 z 2 2 8 OUTPUT A T Z I amp MUTE Kej nd 7 x i Foam UNBALANCED INPUT PREAMPLIFIER EQUALIZATION RIGHT 0 LINE DRIVER LEFT CLIP LEFT o LINE DRIVER RIGHT BAL INPUT T a a MIXER ess a RIGHT i BASS _LMID lt TREBLE EDs gl oO N oT ot OUTPUT B I 10 dB 2 m w 2 2 a 2 ae SEL 7 BAL INPUT S S 3 ae LEFT INPUT gt A B SELECT OUTPUT SELECT VHD Preamp S fe D Q T Y g m Using the system
6. ing 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 liquid or water and excessive humidity Any object filled with any liquid shall not be placed on the equipment The triangle with a symbol of a lightning marks parts of the equipment under life jeopardizing voltage whose values may cause an injury from electric shock The symbol indicating that the equipment is manufactured in compliance with EU standards The triangle with a symbol of an exclamation mark in the text marks important instructions for operation setting and maintenance Description Basic Description The VHD Preamplifier is a Very high definition small stand alone microphone and stereo inputs signal mixer Primarily built for high quality easy presentation and comparisons of two individual systems using the same source the applications for this mixer are comprehensive and extremely useful The VHD Preamp features a stereo pair of balanced line inputs stereo RCA phono connectors and a very high quality VHD microphone preamplifier The microphone channel features phantom power four band equalization and a variable high pass filter The VHD Preamplif
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