ESP2000 User Guide
Contents
1. 0 1 AC Mains Switch The ESP2000 has combination AC mains switch circuit breakers on the front panel If either of the switches shut 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 2 Bass Switch When depressed this switch activates a bass enhancement feature that increases the chosen chan nels output by 6dB at 60Hz 3 Limiter Switch The ESP2000 features RMS limiting on each channel This feature is active so long as the switch is left un pressed The RMS limiting is deactivated when the switch is depressed 4 Channel Input Level Adjustment Each channel of the ESP2000 features an Input Level adjustement potentiometer that allows the user to individually adjust all four channel s input levels from oo through 6cB in the vertical position and up to to OcB 5 Power On Thermal These are dual colour LED s When green they indicate that the Power Switch is ON and that chan nel of the amplifier is powered up When red they indicate that that channel has overheated and shut down The unit will Auto Reset after it cools down to a safe operating temperature 6 Signal Present Limiter Indicator These are dual colour LED s When green they indicate that signal is present at the Input to that particular channel of the amplifier When yellow they indicate that the audio limiter has b2. ESP2000 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 expectation QOQ00000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000 Contents Introduction How to use this manual Icons used include Important Safety Instructions Introducing the ESP2000 Dimensions Chapter 2 Getting Started Unpacking Rack Mounting Cooling AC Power Requirements AC Power Voltage Requirements The Power Connector Current Requirements AC Cable Colour Coding Safety Summary Chapter 3 Features Front Panel Rear Panel ESP2000 Specifications Warranty Your ESP2000 is covered against defects in material and workmanship Refer to your supplier for more details Service In the unlikely event that your ESP2000 develops a prob lem it must be returned to an authorised 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
3. levels Since different cables and circuit breakers heat up at varying rates it is essential to under stand the types of current ratings and how they correspond to circuit breaker and cable specifica tions The maximum long term continuous current is the maximum rms current during a period of at least ten seconds It is used to calculate the tempera ture rise in cables in order to select a cable size and gauge that conforms to electrical code standards It is also used to select the rating for slow reacting thermal breakers The burst current is the maximum rms current during a period of approximately one second used to select the rating of most magnetic breakers and to calculate the peak voltage drop in long AC cables according to the formula V pk drop pk x R cable total The ultimate short term peak current is used to select the rating of fast reacting magnetic breakers Use the table below as a guide when selecting cable gauge size and circuit breaker ratings for your operating voltage Current Draw Current Draw 115V Mode 230V 250V Max Long Term 20 Arms 10 A rms Continuous Burst Current 30 Arms 15 Arms Short Term Peak 80 A peak 40 A peak AC Cable Colour Coding If the colours referred to in the diagram don t correspond to the terminals in your plug use the following guidelines Connect the blue wire to the terminal marked with an N or coloured black Connect the brown wire to the terminal
4. marked with an L or coloured red Connect the green and yellow wire to the terminal marked with an E or coloured green or green and yellow BLUE NEUTRAL BROWN GREEN YELLOW GROUND Power cable color coding CAUTION The ESP2000 requires a m ground connection Always use mae a grounded outlet and plug Safety Summary To reduce the risk of electric shock disconnect the amplifier from the AC mains before installing the audio cable Reconnect the power cord only after making all signal connections Connect the amplifier to a two pole three wire grounding mains receptacle The mains plug shall remain easy to operate The amplifier must be powered from the same phase as other interconnected powered units The receptacle must be connected to a fuse or circuit breaker Connection to any other type of receptacle poses a shock hazard and may violate local electrical codes Do not allow water or any foreign object to get inside the amplifier Do not put objects containing liquid on or near the unit To reduce the risk of overheating the amplifier avoid exposing it to direct sunlight Do not install the unit near heat emitting appliances such as a room heater or stove This amplifier contains potentially hazardous voltages Do not attempt to disassemble the unit The unit contains no user serviceable parts repairs should be performed Page 7 Chapter 3 Features Front Panel CA att
5. be shipped back to the factory it must be sent in its origi nal carton If improperly packed the unit may be dam aged To obtain service contact your nearest KV2 Audio Service Centre Distributor or Dealer Page 2 BR BR WW W NN AOUN A CO 10 How to use this manual As you read this manual you ll find figures and diagrams to help you understand and visualise what you re reading You ll also find numerous icons that serve as cues to flag important informa tion or warn you against improper or potentially harmful activities Icons Used Include Lh NOTE identifies an important or useful piece of information relating to the topic under discussion TIP offers a helpful tip relevant to the topic at hand D CAUTION gives notice that an action can have serious Consequences and CAUTION could cause harm to equipment or personnel delays or other problems Important Safety Instructions 1 Read all product instructions 2 Keep printed instructions do not throw away 3 Respect and review all warninos 4 Follow all instructions 5 Do not use this unit near water in unprotected out door areas or in rain or wet conditions 6 Clean only with dry cloth 7 Do not block any ventilation openings 8 Install in accordance with KV2 Audio s recommended installation instructions 9 Do not install near any heat sources such as heat radiators heat registers stoves or other app
6. fronts and four for the rear We recommend using a shock mounted rack for touring use to prolong the life of your ESP2000 Cooling The ESP2000 has a comprehensive cooling sys tem featuring chassis sealed PCB board mount ing 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 mainte nance cycles Air is drawn into the front of the amplifier by the two fans on the rear panel this passes over the cooling fins of the heat sinks and exhausts through the rear If the heat sink gets too hot its sensing circuit will open the output relay disconnecting the load It is important to have an adequate air supply at the front of the amplifier and enough space around the rear of the amplifier to allow the cooling air to escape If the unit is rack mount ed do not use doors or covers on the rear of the rack the exhaust air must flow without restriction If you are using racks with closed backs use fans on the rear rack panel to ensure an ample air supply AC Power Requirements The ESP2000 is an advanced power amplifier Understanding power distribution voltage and current requirements as well as electrical safety issues is critical to the safe operation of the ESP2000 AC Power The ESP2000 uses a single PowerCon 3 pole AC main systems with locking connectors to prevent accidenta
7. IS MANUAL Chapter 2 Getting Started Unpacking Unpack the ESP2000 and check to see if there is any damage to it If you find any dam age notify your supplier immediately Only the consignee may institute a claim with the carri er for any damage incured during shipping Be sure to save the carton and all packaging materials for the carrier s inspection Should you ever need to ship the unit only use the original factory packaging If the ship ping carton is unavailable contact your suppli er to obtain a replacement The ESP2000 carton should contain ESP2000 power amplifier User s guide PowerCon detachable power cable FRONT PANEL P TER i z gt f d 00000000000000000000000000000000000000000000000 a E c a ea i 5 0000000000000000000000000000000000000000001010101 E E REAR PANEL 433 8mm SIDE PANEL ja 456 5 mm r r a E 6 M p Page 4 Rack Mounting The ESP2000 will mount in a standard 19 rack system Integral rear mounting rack ears are also provided for additional support It is important that you do not rely on fixing and mounting the ESP2000 using just the front panel as the support Use eight screws and washers to mount the amplifier to the equipment rack rails four for the
8. aratus that produce heat 10 Do not defeat the safety purpose of the ground ing type plug A grounding type plug has two blades and a third grounding connector The third connector is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 11 Protect the power cord from being walked on or pinched particularly at plugs conven ience receptacles and the point where they exit from the amplifier The AC mains plug or appli ance coupler shall remain readily accessible for operation 12 Only use accessories specified by KV2 Audio 13 The unit is intended for use in a 19 rack Follow the mounting instructions When a rack on wheels is use use caution when moving the loaded rack to avoid injury from tipping over 14 Install the product only with both front and rear supports CAUTION Installation should only be 7 ee done by experienced professionals 15 Unplug this amplifier during lightning storms or when unused for long periods of time 16 Do not connect a ESP2000 s output in parallel or series with any other ESP2000 s output Do not connect the ESP2000 output to any other voltage source such as a battery mains source or power supply regardless of whether the ESP2000 is turned on or off 17 Do not run the output of any ESP2000 back into another channels input 18 Refer all servicing to qualified service per sonnel Servicing is requ
9. een acti vated for that particular channel of the amplifier Page 8 Rear Panel O 2 08 a y 20 a 23 6 s amp w AR O 231 ma OUTPUTS min 20 1 Main Inputs These are the input connectors for all four channels with associated Through Output connectors for sending signal to other devices 2 Bridge Mono Mode As well as being a high quality stereo channel amplifier solution the ESP2000 is capable of working in Bridge Mono mode This requires the utilisation of two channels working together to produce a larger single output suitable for driving large subwoofers or high powered full range boxes Use channel INPUT 1 only as bridge mode input INPUT 2 is unconnected Plug positive speaker input pin at positive RED OUTPUT 1 and negative speaker pin at positive RED OUTPUT 2 NOTE If Bridge Mono is your specific requirement particularly driving subwoofers you may prefer to utilise a KV2 Ly Audio VHD3200 subwoofer amplifier which will offer the same power output but with improved performance For ae applications where the high powered loudspeaker load is required to produce a full range signal including Mid and High frequency reproduction above 1kHz an ESP2000 will offer superior results 3 PowerCon Power Connectors The ESP2000 accept standard PowerCon terminated AC Mains cables The ESP2000 uses one connector p
10. er Output XLR 1 55V 20kQ balanced XLR Through Speaker Output Neutrik Speakon 2x Binding posts Level Control Subwoofer Level Control RMS Limiter Indicators o0 0dB 6dB 60Hz On Off Power ON Thermal Signal Limiter Power Connector Operating Voltage Recommended Amperage Soft Start Protection Cooling Physical Dimensions Neutrik PowerCon 115V 230V 250V 50 60Hz 10A 115V 6A 230V 6A 250V YES Thermal breaker 2x temperature controlled fans Height Width Depth Weight Page 10 88mm 3 5 2RU 483mm 19 00 496 4mm 19 54 16kg 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 M Tel 44 0 1423 816868 www kv2audio com KVV120080 00 04 0
11. er two channels 4 Fans The cooling fans operate continuously while the ESP2000 is on An internal temperature sensor increases the speed of the fans during high temperature conditions 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 ESP2000 is mounted 5 Main Outputs Each channel of the ESP2000 is equipped with binding posts and Neutrik Soeakon connectors on the Main Outputs The minimum recommended output is 2Q When running in Bridge Mono Mode 4Q Page 9 ESP2000 Specifications System Acoustic Perfomance 1dB Response Channel Crosstalk Signal to Noise Ratio Total Harmonic Distortion Output Channels 3Hz 40kHz gt 70dB gt 115dB lt 0 005 1W lt 0 01 clip 1dB Amplifier Type Number of Channels Total Output Power Max Output Voltage Max Output Current Minimum load impedance per channel Out Power 160 1 channel 2 channels loaded Out Power 80 1 channel 2 channels loaded Out Power 40 1 channel 2 channels loaded Out Power 20 1 channel 2 channels loaded Out Power 160 bridged Out Power 80 bridged Out Power 40 bridged High Efficiency Emitter coupled 2 2000W 78V peak 48A peak 20 175W 160W RMS 340W 300W RMS 600W 500W RMS 1000W 800W RMS 600W RMS 1000W RMS 1500W RMS Input Channels Input Sensitivity Input Impedance Signal Output peak
12. ired when the amplifier has been damaged in any way such as when the power supply cord or plug has been dam aged liquid has been spilled or objects have fallen into the amplifier rain or moisture has entered the amplifier the amplifier has been dropped or when for undetermined reasons the amplifier does not operate normally 19 Do not remove top or bottom covers Removal of the cover will expose hazardous voltages There are no user serviceable parts inside and removable may void the warranty 20 An experienced user shall always supervise this professional audio equipment Page 3 Introducing the ESP2000 The ESP2000 is a two channel rack mount able power amplifier The unit contains two seperate 1000 watt amplifiers two independ ent power supplies each channel running off each power supply two signal paths inputs and outputs as well as limiting and low frequency enhancement on each of the two channels within a two rack unit chassis It can be used to power any range of passive loudspeakers as well as being specifically designed for opti mised performance with KV2 Audio s ESD Series Whilst this unit is simple to operate improper use can be dangerous This is a very high powered device that can output high voltages and sizeable currents Always use safe operat ing techniques with the ESP2000 FOR YOUR SAFETY READ THE IMPORTANT PRECAUTIONS SECTION AS WELL AS THE INPUT OUTPUT AND POWER CONNECTION SECTIONS OF TH
13. l disconnection The main AC connectors blue serve as the power inputs The ESP2000 operates in either 115V 230V or 250V modes Although pre configured at the factory the unit s operating voltage mode can be changed in the field Voltage Requirements The ESP2000 operates safely and without audio discontinuity if the AC voltage stays with in the operating window of 100V 120V in 115V mode 205V 240V when working in 230V mode and 225 260V when working in 250V mode at 50 or 60Hz CAUTION If the On LED does not illuminate or the system does not Mw respond to audio input remove AC power immediately Verify that the voltage is within the proper range If the problem persists please contact KV2 Audio or an authorized service center If the voltage drops below the low boundary of its safe operating range the amplifier will shut down if the voltage does not rise above the low boundary before storage circuits are depleted How long the amplifier will continue to function during brownout depends on the amount of voltage drop and the audio source level during the drop If the voltage increases above the upper boundary of the range the power supply can be damaged Page 5 WM NOTE It is recommended that the voltage supply be within the rated ww Voltage window This ensures that AC voltage variations from the service entry or peak voltage drops due to cable runs do not cause the amplifier to cycle on and off or cause da
14. mage to the power supply A NOTE For best performance the AC L cable voltage drop should not exceed Mw 10 volts or 10 percent at 115 volts and 5 percent at 230 or 250 volts Make sure that even with the AC voltage drop the AC voltage always stays within recommended operating ranges The minimum electrical service amperage required by an ESP2000 amplifier is the sum of each amplifiers maximum continu ous rms current An additional 50 percent above that amperage is recommended to prevent peak voltage drops at the service entry The Power Connector The ESP2000 requires grounded outlets It is very important that the amplifiers AC supply be properly grounded in order to operate safely and properly Use the PowerCon AC cable wiring diagram overleaf to create inter national or special purpose power connectors Power connector assembly Page 6 Current Requirements Each of the ESP2000 s power supply inputs require approximately 20 Amps max at 115V AC for proper operation This means that both of the ESP2000 s power supplies must be powered from an individual 20 A breaker when running in 115V mode When operating in 230 V mode each of the ESP 2000 s power supply inputs requires approximate ly 10 Amps max This allows a complete ESP2000 to be powered from one 20 A breaker at at 230 V The ESP2000 presents a dynamic load to the AC mains which causes the amount of current to fluctuate depending on quiet or loud operating
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