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Chord Electronics

Chord Ultima

Precio habitual $88,325.00 USD
Precio habitual Precio de venta $88,325.00 USD
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780 W Flagship Reference Power Amplifier

A new state-of-the-art flagship power amplifier featuring John Franks’ latest circuit topology, some 34 years in the making.




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.



  • 780w into 8Ω
  • Class AB Sliding Bias
  • HF Switch Mode Power Supply
  • Proprietary Chord MOSFETs
  • Fully Balanced Circuitry
  • Convection Cooled
  • Balanced XLR Inverted Input
  • Balanced XLR Non-inverted Input
  • Unbalanced RCA Inverted Input
  • Unbalanced RCA Non-inverted Input
  • 12v Trigger On/Off Input
  • Dimmable feature lighting
  • Included Top Light Ring
  • Solid Aluminium Chassis



 ULTIMA Quickstart guide

 Safety instructions

 15A Mains IEC cable



Chord Ultima Pre/POWER

"The look is unmistakably Chord - and thus a matter of taste - but it's hard to argue with the sheer power and control on offer here. The preamp is perhaps a bit fussier than we'd like, and the lR remote somewhat obstructive until you learn its foibles, but if you're after no-comprom ise amplification able to bring a ny' speaker firmly to heel, the Ultima pre/power combination is rvonthi of very serious consideration." -  Andrew Everard 



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


2x Pair of High Quality, High Current, Gold Plated Type Speaker Terminals (Bi-wireable)

Output power

780 W RMS per channel into 8 Ω

1,405 W RMS per channel into 4 Ω

Power consumption

Full power – 3,500 W, Standby – 10 W

Frequency Response -1 dB @ 0.2 Hz to 46 kHz and -3 dB 0.1 Hz to 200 kHz
THD 0.005 %
Signal to Noise Ratio Better than -90 dB
Input Impedance 100 kΩ Unbalanced/Balanced
Output Impedance 0.04 Ω
Gain 30 dB
Dimensions with included Integra legs 30.5 cm (H) x 48 cm (W) x 75 cm (D)
Dimensions with optional side blocks 28.5 cm (H) x 42 cm (W) x 75 cm (D)
Weight 66.7kG