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KV2 ESP4000 Amplifiers

KV2 ESP4000

 Rack mounted, High definition amplifier

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KV2 ESP4000

 

 
 
 

  • ESP4000 - Rack mounted, high definition amplifier

    The ESP4000 is an ultra high definition 4 channel rack mountable power amplifier from KV2 Audio, specifically designed for optimised performance with ESD loudspeakers, as well as with other passive systems. For the ESP4000 all electronic circuit boards are first mounted on individual aluminium heat sinks, then on a secondary, internally sealed chassis, this leaves only the heatsink fins exposed. Two separate power supplies ensure increased reliability and continuous delivery of full power. Two shock mounted fans move air across the fins but never directly across the electronic components. This minimises maintenance cycles and improves the components lifespan and and reliability. The ESP4000 is housed in a professional 4U road rugged steel metal case with aluminium handles and evenly distributed weight.

Features

  • Ultra high definition
  • 4 channel rack mountable power amplifier
  • Specifically designed for optimised performance with ESD loudspeakers, as well as with other passive systems
  • 4 x 1000W / 2Ω
  • Two separate power supplies ensure increased reliability and continuous delivery of full power
  • Two shock mounted fans move air across the fins but never directly across the electronic components. Minimises maintenance cycles and improves the components lifespan and reliability

System Acoustic Performance

  • -1dB Response 3Hz to 40kHz
  • Channel Crosstalk >60dB
  • Signal to Noise Ratio >115dB
  • Total Harmonic Distortion <0.005% (1W) / <0.01% (clip -1dB)

Output Channels

  • Amplifier Type High efficiency, Emitter coupled
  • Number of Channels 4
  • Total Output Power 4000W
  • Max. Output Voltage 78V (peak) per channel
  • Max. Output Current 48A (peak) per channel
  • Minimum load impedance per channel 2Ω
  • Out. Power 16Ω - 1 channel / 2 channels loaded 175W / 160W (RMS)
  • Out. Power 8Ω - 1 channel / 2 channels loaded 340W / 300W (RMS)
  • Out. Power 4Ω - 1 channel / 2 channels loaded 600W / 500W (RMS)
  • Out. Power 2Ω - 1 channel / 2 channels loaded 1000W / 800W (RMS)
  • Out. Power 16Ω - bridged 600W (RMS)
  • Out. Power 8Ω - bridged 1000W (RMS)
  • Out. Power 4Ω - bridged 1600W (RMS), 2000W short term

Signal Input

  • Input Channels XLR
  • Input Sensitivity 2.0V
  • Input Impedance 20kΩ (balanced)
  • Signal Output XLR Through

Speaker Input

  • Speaker Input - / 4x Binding posts, Neutrik Speakon®

Features

  • Input Level Control -∞ to 0dB
  • Loudness bass enhancement +6dB @ 60Hz
  • RMS Limiter On / Off
  • Indicators Power ON/Thermal, Signal/Limiter

Power Requirements

  • Power Connector 2x Neutrik PowerCon®
  • Operating Voltage 115V / 230V / 250V
  • Operating Voltage Range 100 to 120V@60Hz | 205 to 240V@50Hz | 225 to 260V@50Hz
  • Recommended Amperage 2x20A 115V | 2x10A 230V | 2x10A 250V
  • Soft Start YES
  • Protection Thermal breaker
  • Cooling 2x temperature controlled fans

Physical Dimensions

  • Height 177.8 mm (7.0"), 4RU
  • Width 481.4 mm (18.95")
  • Depth 495 mm (19.5")
  • Weight 37.5 kg (82.7lbs

Specific References

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