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Power amplifiers mono — Chord ULTIMA

Description, images, technical data and specifications

Chord ULTIMA
Image source — © Chord

The input stage is a fully symmetrical broadband voltage amplifier with a signal rise rate of 300 V/µs and a loopback feedback circuit for error correction. The output stage has 64 MOSFET field—effect transistors with a double substrate - they are custom-made for Chord Electronics and matched in pairs. The servo circuit monitors the absence of a constant component at the output and thermal compensation.

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Specifications

  • Model name

    ULTIMA

  • Input sensitivity (mV)

    N/A

  • Input impedance (balanced) (Ω)

    100 000

  • Input impedance (single-ended) (Ω)

    100 000

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    0,04

  • Max current (A)

    N/A

  • Output power (8Ω) (W)

    780

  • Output power (4Ω) (W)

    1405

  • Gain (dBu)

    30

  • Frequency response low +/- 3dB (Hz)

    0,1

  • Frequency response high +/- 3dB (Hz)

    200 000

  • Signal to Noise Ratio (dB)

    90

  • Total Harmonic Distortion + Noise (0% global feedback) (%)

    N/A

  • Total Harmonic Distortion + Noise (100% global feedback) (%)

    0.005

  • Max power consumption (W)

    3500

  • Damping factor

    N/A

  • Dimensions (mm)

    305 x 480 x 750

  • Weight (kg)

    66,7

  • Official link

    https://chordelectronics.co.uk/product/ultima

Chord ULTIMA 2

More components

  • ULTIMA 2

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    Chord ULTIMA 2

    The ULTIMA 2 are more compact monoblocks that continue the new circuit solutions pioneered in the grandiose Ultima Chord. The Ultima 2 power amplifiers offer the music lover tremendous dynamics and high power (750 watts at 8 ohms and 1305 watts at 4 ohms) using brand new advanced amplification circuits not available from other manufacturers.

  • ULTIMA 3

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    Chord ULTIMA 3

    Like all other components of the series, it is enclosed in an impressive metal case, the front panel of which is carved from a solid aluminum billet. The blue-lit window on the top panel allows you to see the entire contents of the amplifier, but you can turn off the backlight by pressing a special key located exactly in the middle of the facade.

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