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VHD4.21
User Guide
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 expectations.
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Table of Contents
Related Manuals for KV2 Audio VHD4.21
Summary of Contents for KV2 Audio VHD4.21
- Page 1 User Guide 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 expectations.
- Page 2 VHD4.21 · Important safety instructions Important safety instructions Before using your VHD4.21, be sure to carefully read the applicable items of these operating instructions and the safety suggestions. 1. Read all product instructions. 2. Keep printed instructions, do not throw away.
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Page 3: Table Of Contents
Overview Applications, Introduction, Electronics Acoustic Components Enclosure Design AC Power Requirements AC Power Voltage Requirements The Power Connector Current Requirements AC Cable Color Coding VHD4.21 Control Panel / Inputs and Outputs 8 - 9 Drawings Specifications Accessories Warranty · Service... -
Page 4: Overview
109dB 1w/1m. Running at close to 100% efficiency on any voltage from 160 to 270 Volts, the amplifier for the VHD4.21 is a revolution in electronic engineering, utilising a huge bank of capacitors as a power store. This unique and innovative new power management system enables the onboard amplifier to deliver peak output levels of 14 kW, whilst operating at a modest constant power consumption of 3.5 kW... -
Page 5: Acoustic Components
VHD4.21 · Overview Acoustic Components The VHD4.21's woofer technology is based around high efficiency, high power woofer designs. The device features high temperature polymide voice coil assemblies that undergo multiple baking and curing processes as well as advanced magnetic structures with complex cooling systems. The woofer cones have been specially developed to withstand the demanding environment created by the high acoustic loading inside the VHD4.21 chambers. -
Page 6: Ac Power Requirements
The VHD4.21 operates safely and without audio discontinuity if the AC voltage stays within the operating window of 160V-260V at 50 or 60Hz. The VHD4.21 operates in 230V mode. The VHD4.21 features constant power source array ensuring the power remains the same in case of power drops. -
Page 7: Current Requirements
Each VHD4.21 requires approximately 15 Amps max at 230V AC for proper operation. The VHD4.21 presents a dynamic load to the AC mains, which causes the amount of current to uctuate depending on quiet or loud operating levels. Since dierent cables and circuit breakers heat up at varying rates, it is essential to understand the types of current ratings and how they correspond to circuit breaker and cable specifícations. -
Page 8: Vhd4.21 Control Panel / Inputs And Outputs
VHD4.21 · Control Panel / Inputs and Outputs The VHD4.21 features an easy to use rear control panel featuring audio input and output connections, LED status lights and residual-current circuit breaker. VHD4.21 PASSIVE RESIDUAL-CURRENT OUTPUT CIRCUIT BREAKER POWER ON / THERMAL... - Page 9 3) Limiter Should the rms limiting system be engaged due to overdriving of the VHD4.21, the LED will light up yellow. The audible effect of the rms limiter is a lowering of overall output level. The rms limiter will disengage only if the input level is turned down.
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Page 10: Drawings
VHD4.21 Active/Passive · Drawings Drawing VHD4.21 Active/Passive... -
Page 11: Specifications
VHD4.21 · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 147dB Max SPL Peak 150dB -3dB Response 34Hz to 180Hz -10dB Response 28Hz to 240Hz Crossover Point 70Hz Low Frequency Section Acoustic Design Bandpass with low port losses Woofer Size / Voice Coil Diameter / Design 4x 21"... -
Page 12: Accessories
VHD4.21 · Accessories PADDED HEAVY DUTY COVERS Cover for VHD4.21 used without cart part name: Cover VHD4.21 part number: KVV 987 282 description: - heavy duty - padded... -
Page 13: Warranty · Service
In the unlikely event that your VHD4.21 develops a problem, it must be returned to an authorised distributor, service centre or shipped directly to the KV2 Audio factory. Because of the complexity of the design and the risk of electrical shock, all repairs must be attempted only by qualified technical personnel. - Page 14 The Future of Sound. Made Perfectly Clear. KV2 Audio International Nádražní 936, 399 01 Milevsko Czech Republic Tel.: +420 383 809 320 Email: info@kv2audio.com www.kv2audio.com KVV120112-00-02-0...
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