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Chord Electronics - ULTIMA

780W Flagship Reference Power Amplifier

Model: ULTIMA

  • Inputs:
  • 1x Balanced XLR Inverted Input
  • 1x Balanced XLR Non-inverted Input
  • 1x Gold Plated Unbalanced RCA Inverted Input
  • 1x Gold Plated Unbalanced RCA Non-inverted Input
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Product Info
Tech Specs

The ULTIMA mono power amplifiers have been conceived for the very finest high-end audio systems, those which by their very nature, tend to have the most demanding and most difficult-to-drive large loudspeakers. They deliver unsurpassed power and are capable of effortlessly driving any speaker.

ULTIMA is the company’s most accomplished amplifier in its 34-year history and one that draws on Chord Electronics’ three decades of proprietary-technology amplifier manufacturing. It features an all-new circuit topology, the first completely new design since the company’s inception. The new dual-feed forward error-correction amplifier technology is a progression of Dr Malcolm J Hawksford’s (emeritus professor at Essex University) technical paper, refined by Bob Cordell of Bell Labs.

ULTIMA contains Chord Electronics’ next-generation amplifier tech, a design which features Cordell’s advanced dual-feedforward error-correction topology, with the important addition of John Franks’ own advanced concepts in ultra-high-frequency power supplies.

The ULTIMA mono amplifier unit has an incredible 64 proprietary MOSFET power devices that demand the most advanced and refined drive circuitry, suitably devoid of sound-degrading components. The drive circuitry features an ultra-low-distortion, high-voltage amplifier operating at very high speed: 300 volts-per-microsecond technologies with advanced feed-forward and feedback compensation techniques.

ULTIMA is incredibly powerful and offers 780 watts into 8 ohms, 1,400 watts into 4 ohms and 2,500 watts (!) into 2 ohms. ULTIMA’s peak output current exceeds 500 amps, an extremely high current differentiated by the speed at which the dynamic peaks can be delivered, bringing astonishing dynamics, timing accuracy and unrivalled musicality.

ULTIMA is truly an unprecedented amplifier design with exceptional performance and is one of the most advanced hi-fi amplifiers in the world.

  • Inputs:
  • 1x Balanced XLR Inverted Input
  • 1x Balanced XLR Non-inverted Input
  • 1x Gold Plated Unbalanced RCA Inverted Input
  • 1x Gold Plated Unbalanced RCA Non-inverted Input
  • 1x 12v Trigger Input – Chord Electronics Auto Start
  • Output:
  • 2x Pair of High Quality, High Current, Gold Plated Type Speaker Terminals (Bi-wireable)
  • 780w into 8ohms
  • Class AB Sliding BiasClass AB Sliding Bias
  • HF Switch Mode Power SupplyHF Switch Mode Power Supply
  • Proprietary Chord MOSFETsProprietary Chord MOSFETs
  • Fully Balanced CircuitryFully Balanced Circuitry
  • Convection CooledConvection Cooled
  • Balanced XLR Inverted InputBalanced XLR Inverted Input
  • Balanced XLR Non-inverted InputBalanced XLR Non-inverted Input
  • Unbalanced RCA Inverted InputUnbalanced RCA Inverted Input
  • Unbalanced RCA Non-inverted InputUnbalanced RCA Non-inverted Input
  • 12v Trigger On/Off Input12v Trigger On/Off Input
  • Dimmable feature lightingDimmable feature lighting
  • Included Top Light RingIncluded Top Light Ring
  • Solid Aluminium ChassisSolid Aluminium Chassis
  • Includes:
  • ULTIMA Quickstart guide
  • Safety instructions
  • 15A Mains IEC cable
 
 

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