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ESR Series
User Guide
ESR2800 · ESR212 / ESR3000MkII · ESR215MkII
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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Summary of Contents for KV2 Audio ESR215 Mk II
- Page 1 ESR2800 · ESR212 / ESR3000MkII · ESR215MkII 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 The AC mains plug or appliance coupler shall remain readily accessible for operation. 12. Only use accessories specified by KV2 Audio. 13. Install the product only with rigging specified by KV2 Audio, or sold with the loudspeaker. 14. Unplug this loudspeaker during lightning storms or when unused for long periods of time.
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Page 3: Table Of Contents
ESR Series · Contents Contents Introduction ESR Series / ESR Brackets and Flybars 5 - 6 Introduction 5 - 6 ESR2800/3000MkII Overview Getting Started 8 - 9 Features - Front panel Features - Rear panel 11 - 12 Using the System - ESR2800 13 - 14 Using the System - ESR3000MkII 15 - 16... -
Page 4: Introduction Esr Series / Esr Brackets And Flybars
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 Rigging configurations as executed in practice by users. It is expressly the sole responsibility of the user to ensure that at all times any KV2 Audio product, or system is Ground stacked, suspended and rigged in accordance with current International and local regulations.
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Page 6: Esr2800/3000Mkii
• Classical and opera concerts Introduction The ESR2800/3000MkII is three-way, active control and amplification system specially designed for the KV2 Audio ESR full range series loudspeaker systems. It houses all signal processing and amplification, as well as providing control and crossover function an external subwoofer cabinet if needed utilizing an external amplifier. -
Page 7: Getting Started
ESR2800/3000MkII · Getting Started Unpacking Unpack the ESR2800/3000MkII Amplifier and check for any damage. 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. - Page 8 ESR2800/3000MkII · Getting Started Cooling The ESR2800/3000MkII Amplifier 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 amplifer by the two fans on the rear panel, this passes over the cooling fans of the heat sinks and exhausts through the rear.
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Page 9: Features - Front Panel
ESR2800/3000MkII · Features · Front panel Front Panel ESR2800/3000MkII 1) AC Mains Switch The ESR2800/3000MkII Amplifier has a combination AC Main 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. -
Page 10: Features - Rear Panel
ESR2800/3000MkII · Features · Rear panel Rear Panel ESR2800/3000MkII 1) Main Input / Trough out This is the main system input balanced XLR connector with associated Through Signal Output connector for sending unprocessed signal to other devices in a system. 2) Sub out Balanced XLR output connector, used to connect additional subwoofer. - Page 11 ESR2800/3000MkII · Features · Rear panel Rear Panel ESR2800/3000MkII 5) Sub Level This is the level control for the External Sub output in the range -6 to +6 dB. 6) Mono Switch, sets SUB OUT outputs summing SUB OUT outputs channel A and B together. 7) Powercon Power Connectors The ESR3000MkII Amplifier uses two connectors per two channel.
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Page 12: Using The System - Esr2800
ESR2800 · Using the System Full range setup Set ESR2800 Amplifier to FULL RANGE ON mode. ESR212 cabinets plays full range signal. - Page 13 ESR2800 · Using the System External subwoofer setup 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 14: Using The System - Esr3000Mkii
ESR3000MkII · Using the System Full range setup Set ESR3000MkII Amplifier to FULL RANGE ON mode. ESR215MkII cabinets plays full range signal. - Page 15 ESR3000MkII · Using the System External subwoofer setup Set ESR3000MkII Amplifier to FULL RANGE OFF mode. Signal is crossed over at Hi/Mid for ESR215MkII cabinets and SUB for external subwoofer. SUB SET UP LEVEL setting depends on which subwoofer unit is used.
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Page 16: Specifications
ESR2800 · 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 to 40kHz Mid Frequency Amplifier Specification Type... - Page 17 ESR3000MkII · 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 to 40kHz Mid Frequency Amplifier Specification Type...
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Page 18: Block Diagram
ESR2800 · Block Diagram ESR2800 Block Diagram Channel A, channel B is identical... - Page 19 ESR3000MkII · Block Diagram ESR3000MkII Block Diagram Channel A, channel B is identical...
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Page 20: Drawing
ESR2800 · Drawing Drawing... - Page 21 ESR3000MkII · Drawing Drawing...
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Page 22: Esr212
ESR212 · Overview ESR212 - part number KVV 987 247 FULL RANGE MODULE The Ultimate, Full Range, Large Scale System Application Specifically designed for theatres • Very high quality fixed installations • Live music and multimedia applications • Classical music amplification and reproduction • Audiophile, very high quality system • High quality studio monitoring Introduction... -
Page 23: Technology
Using neodymium requires a profound understanding of material science and finite element analysis to properly design a stable, high force magnetic structure that functions correctly. 18 Sound and KV2 audio engineering jointly designed the twelve-inch mid bass driver for the ESR212. The ESR212 bass transducer reproduces frequencies from 38Hz to 500Hz. -
Page 24: Specifications
ESR212 · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 128dB Max SPL Peak 131dB -3dB Response 38Hz to 22kHz -10dB Response 28Hz to 28kHz Crossover Point 500Hz, 2.5kHz High Frequency Section Acoustic Design Horn Loaded High Horn Coverage Horizontal / Vertical 90°... -
Page 25: Frequency Characteristics
ESR212 · Frequency characteristics Frequency response Horizontal Polarplots 73Hz - 250Hz 500Hz - 2kHz 4kHz - 16kHz 73Hz 500Hz 4kHz 125Hz 1kHz 8kHz 250Hz 2kHz 16kHz Vertical Polarplots 73Hz - 250Hz 500Hz - 2kHz 4kHz - 16kHz 73Hz 500Hz 4kHz 125Hz 1kHz 8kHz... -
Page 26: Drawing
The speaker system shall connect to the Amplifier/Controller Module via proprietary cables terminated in Amphenol AP-6 connectors. The three-way mid / high loudspeaker system shall be the KV2 Audio ESR212. -
Page 27: Esr215Mkii
8" mid-range driver and the same large scale NPVD 3" compression driver found in KV2 Audio's VHD mid-hi enclosures. With a wide and smooth frequency response the ESR215MkII is ideal for theatre or stadium applications. Like the ESR212, it incorporates multiple M10 fly points and various brackets and flyware are also available. -
Page 28: Technology
Advanced compression driver KV2 Audio's transducer partner, 18 Sound in Cavriago, Italy, manufactures and co-develops all ESR215MkII components. The compression driver is a 3-inch nitride-titanium diaphragm design, featuring a complex geometry phase plug that dramatically lowers distortion, eliminates ring modes and provides clearer, ripple free performance. -
Page 29: Specifications
ESR215MkII · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 132dB Max SPL Peak 135dB -3dB Response 35Hz to 22kHz -10dB Response 28Hz to 28kHz Crossover Point 400Hz, 2.5kHz High Frequency Section Acoustic Design Horn Loaded High Horn Coverage Horizontal / Vertical 110°... -
Page 30: Frequency Characteristics
ESR215MkII · Frequency characteristics Frequency response Horizontal Polarplots 73Hz - 250Hz 500Hz - 2kHz 4kHz - 16kHz 73Hz 500Hz 4kHz 125Hz 1kHz 8kHz 250Hz 2kHz 16kHz Vertical Polarplots 73Hz - 250Hz 500Hz - 2kHz 4kHz - 16kHz 73Hz 500Hz 4kHz 125Hz 1kHz 8kHz... -
Page 31: Drawing
The speaker system shall connect to the Amplifier/Controller Module via proprietary cables terminated in Amphenol AP-6 connectors. The three-way mid / high loudspeaker system shall be the KV2 Audio ESR215MkII. -
Page 32: Accessories
ESR Series · Accessories Mid/Hi speaker cable MH15 part name: Cable MH15 part number: KVV 987 147 description: - 6 wire speaker cable - AP6 connectors - 1,5 m (5ft) length - daisy-chaining - Mid/Hi Module connection or for Mid/Hi Module Mid/Hi speaker cable MH60 part name: Cable MH60... - Page 33 ESR Series · Accessories Cable KIT part name: CABLE-KIT part number: KVV 987 047 description: - 2 pcs LF15 - 1pc LF40 - 1pc MH60 - consist of four - high-quality Amphenol AP cable assemblies Amphenol AP6 connector part name: AP-6-11 part number: KA031...
- Page 34 ESR Series · Accessories Parts & Components The ESR BRACKETS and FLYBARS consist of one individual Horizontal bracket and one Vertical (FLYBAR), for the ESR212 and ESR215MkII and are identified as: Horizontal Bracket for ESR212 part name: Horizontal Bracket ESR212 part number: KVV 987 322 description:...
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Page 35: Esr Brackets And Flybars · Instructions
ESR Brackets and Flybars · Instructions The ESR212 and ESR215MkII Horizontal Bracket and Vertical (FLYBAR) Bracket is a dedicated system to facilitate fast and safe suspension of a single ESR212 or ESR215MkII unit,. *NOTE* The ESR Horizontal Bracket and Vertical (FLYBAR) Bracket is not certified to allow any suspension of additional enclosures, or cabinet from cabinet. -
Page 36: Warranty · Service
In the unlikely event that your ESR Series develops a problem, it must be returned to an authorized 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 37: Notes
ESR series · Notes... - Page 38 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 KVV120120-00-05-0...
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