KV2 Audio ESR2800 User Manual
Esr series speakers and optional variants of subwoofers
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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.
User Guide
ESR2800
ESR212
ESR Series
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Table of Contents
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Summary of Contents for KV2 Audio ESR2800
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Page 1: User Guide
ESR2800 ESR212 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. -
Page 3: Table Of Contents
ESR series Introduction ESR2800 Overview Getting started Features - Front panel Features - Rear panel Using the system - Full Range Using the system - Subwoofers Specifications Block diagram ESR212 Overview Technology Specifications Frequency characteristics ESR212 - Drawing ESR2800, ESR212 Accessories... -
Page 4: Introduction
Low Frequency - 1000-watt, High-efficiency, Current-enhancing switch mode technology with Linear Active Filter. In most cases it would be advisable to use a KV2 Audio Line driver (LD4) in addition at the mixer end, to ensure that the line to the amplifier is driven correctly and the signal integrity maintained. -
Page 5: Overview
Linear Active External subwoofer is powered Filter by the external subwoofer amplifier (VHD3200). ESR2800 - 250V part num. KVV 987 285 ESR2800 - 230V part num. KVV 987 283 ESR2800 - 115V part num. KVV 987 284 Unpacking Amplifier rack mounting... -
Page 6: Getting Started
PERIODICALLY AC Requirements Two PowerCon cables are provided to connect the ESR2800 Amplifier to a suitable AC power supplies. Each cable powers each separate amplifier channel for sufficient current delivery. The PowerCon is a connector without breaking capacity, i.e. the PowerCon should not be connected or disconnected under load or while it is live. -
Page 7: Features - Front Panel
Green LED indicates when audio signal is present at the amplifier input. 3) POWER ON/ THERMAL (AUTO RESET) Green LED indicates that the AC power is on. When red, it indicates that the thermal limit of the ESR2800 Amplifier has been exceeded and the unit has shut down. -
Page 8: Features - Rear Panel
Air enters through the front grille and exits through the rear. Be sure to allow adequate air flow to the front of the rack in which the ESR2800 Amplifier is mounted. 8) Speaker EP6 Connectors Accepts a standard EP6 terminated loudspeaker cable for connecting up to a single ESR212 cabinet. -
Page 9: Using The System - Full Range
PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. TO REDUCE DESIGNED BY KV2 AUDIO THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. MANUFACTURED IN THE EUROPEAN UNION Set ESR2800 Amplifier to FULL RANGE ON mode. ESR212 cabinets plays full range signal. - Page 10 DESIGNED BY KV2 AUDIO MANUFACTURED IN THE EUROPEAN UNION Set ESR2800 Amplifier to FULL RANGE OFF mode. Signal is crossed over at Hi/Mid for ESR212 cabinets and SUB for external subwoofer. SUB SET UP LEVEL setting depends on which subwoofer unit is used.
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Page 11: Specifications
Specifications Output Channels Number of Channels 2 (stereo) Total Output Power 2x 1300W High Frequency Amplifier Specification Type Class AB - Push Pull - Low IM Design Transformer balanced output Rated Continuous Power 100W Distortion <0.02% Operating Bandwidth 2,5kHz ÷ 40kHz Mid Frequency Amplifier Specification Type Class AB - Push Pull - Low IM Design... -
Page 12: Block Diagram
Block diagram ESR2800 block diagram Channel A, channel B is identical... -
Page 13: Overview
Audiophile, very high quality stage. system High quality studio monitoring ESR212 The Ultimate Full Range System part num. KVV 987 247 Requires ESR2800 unit for control Features electronics and amplification. Front-loaded, twelve-inch High-output, full-range 3-way mid-bass driver with 3.00” loudspeaker system... -
Page 14: Technology
ESR212 rear panel (cable connection to ESR2800 unit Amplifi er/Controller) -
Page 15: Specifications
Horn Loaded High Horn Coverage Horizontal / Vertical 90° x 40° Rotatable Horn Sensitivity 109dB High Frequency Amplifier Requirement 100W from ESR2800 Amplifier Throat Exit Diameter / Diaphragm Size 1" / 1.75" Diaphragm Material NVPD Treated Titanium Magnet Type Neodymium... -
Page 16: Frequency Characteristics
Frequency characteristics Frequency response Horizontal Polarplots 500 Hz - 2 kHz, 6 dB/div 50 Hz - 200 Hz, 6 dB/div 4 kHz - 16 kHz, 6 dB/div 0° 0° 0° 30° -30° 30° -30° 30° -30° 60° -60° 60° -60° 60°... -
Page 17: Esr212 - Drawing
Amphenol AP-6 connectors. The weather resistant perforated steel three-way mid / high loudspeaker grill. The system shall receive power system shall be the KV2 Audio from a separate ESR2800 Amplifer. ESR212. -
Page 18: Accessories
ESR Series - Accessories Vertical bracket for ESR212 Vertical Bracket ESR212 part name: KVV 987 291 part number: - 3 pcs M10x35 included Horizontal bracket for ESR212 Horizontal Bracket ESR212 part name: KVV 987 304 part number: - 2 pcs M10x30 included ES Mid/Hi speaker cable MH15, AP6 connectors - 1,5m MH15... - Page 20 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.
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